Given that F0(x) = 1 - 1/(1+x) for x ≥ 0, find expressions for, simplifying as far as possible,(a) S0(x),(b) f0(x),(c) Sx(t), and calculate:(d) p20, and(e) 10|5q30.

Answers

Answer 1

Given the function F0(x) = 1 - 1/(1+x) for x ≥ 0, we can find expressions for the requested terms:

(a) S0(x) is the survival function, which is the complement of the cumulative distribution function F0(x). Therefore, S0(x) = 1 - F0(x). Substituting F0(x) into the equation, we get:
S0(x) = 1 - (1 - 1/(1+x)) = 1/(1+x)
(b) f0(x) is the probability density function (pdf) and can be found by taking the derivative of the cumulative distribution function F0(x) with respect to x:
f0(x) = dF0(x)/dx = d(1 - 1/(1+x))/dx = 1/(1+x)^2
(c) To find Sx(t), we need to find the survival function for an individual aged x at time t. Since we know S0(x), we can find Sx(t) using the following relationship:
Sx(t) = S0(x+t)/S0(x)
By substituting S0(x) into the equation, we get:
Sx(t) = (1/(1+x+t))/(1/(1+x)) = (1+x)/(1+x+t)
Now we can calculate the requested values:
(d) p20 is the probability of surviving one more year for an individual aged 20. It is given by:
p20 = S20(1)/S20(0)
Substitute 20 for x and 1 for t in Sx(t):
p20 = (1+20)/(1+20+1) = 21/22
(e) The term 10|5q30 does not follow the standard notation used in survival analysis. Please provide more context or clarify the term to receive an appropriate answer.

Learn more about cumulative distribution function here:

https://brainly.com/question/30402457

#SPJ11


Related Questions

prove that hilbert's euclidean parallel postulate implies the converse to the alternate interior angle theorem

Answers

Hilbert's euclidean parallel postulate implies the converse to the alternate interior angle theorem since if α = β, then l and m cannot be parallel.

Hilbert's Euclidean parallel postulate states that given a line and a point not on that line, there exists exactly one line passing through the point and parallel to given line.

Suppose we have two parallel lines l and m, and a third line n that intersects both l and m, forming alternate interior angles α and β. We want to prove that if α = β, then l and m are not parallel.

Let's assume contrary, that l and m are parallel despite α = β. Then, by Hilbert's parallel postulate, there exists exactly one line passing through any point on n that is parallel to l and m.

Therefore, if we draw a line parallel to l and m through point where n intersects l, it must be same as line passing through point where n intersects m.

But this leads to a contradiction, because if lines are same, then alternate interior angles α and β are congruent.

Thus, we have shown that if α = β, then l and m cannot be parallel. This is  converse to alternate interior angle theorem.

Therefore, we have proved that Hilbert's Euclidean parallel postulate implies converse to the alternate interior angle theorem.

Know more about Hilbert's euclidean here:

https://brainly.com/question/31423481

#SPJ11

Is 5,200 ft 145 in. Less greater or equal too 1 mi 40 in

Answers

We can conclude that 5,200 feet is less than 1 mile 40 inches.

To compare the two measurements, we need to convert them to a common unit. In this case, we will convert both measurements to feet for easier comparison.

Given:

1 mile = 5,280 feet

1 inch = 1/12 feet

Converting 1 mile 40 inches to feet:

1 mile = 5,280 feet

40 inches = (40/12) feet = 3.3333 feet (rounded to 4 decimal places)

So, 1 mile 40 inches is equal to approximately 5,283.3333 feet (rounded to 4 decimal places).

Now, we can compare this value to 5,200 feet. We can see that 5,200 feet is less than 5,283.3333 feet.

Learn more about mile here:-

https://brainly.com/question/12665145

#SPJ11

We can compare the two lengths.5,200 ft 145 in is greater than 1 mi 40 in.

To compare the two lengths in the question, we need to convert both into the same unit of measure. Here, we will convert both of them into inches.First, let's convert 5,200 ft 145 in into inches.

1 ft = 12 in 5200 ft = 5200 * 12 = 62400 in

Thus, 5,200 ft 145 in = 62400 + 145 = 62545 in

Now let's convert 1 mi 40 in into inches.

1 mi = 5280 ft1 ft = 12 in1 mi = 5280 * 12 = 63,360 in

Thus, 1 mi 40 in = 63,360 + 40 = 63,400 in

Now we can compare the two lengths.62545 in is greater than 63,400 in.Therefore, 5,200 ft 145 in is greater than 1 mi 40 in.

To know more about lengths visit:

https://brainly.com/question/2497593

#SPJ11

find the 4th partial sum, s4, of the series [infinity] n−2 n=9 s4 =

Answers

The 4th partial sum, s4, of the given series is 34.

To find the 4th partial sum, s4, of the series ∑(n - 2), where n starts from 9 and goes to infinity, we can compute the sum of the first four terms. Let's calculate s4 step by step:

s4 = (9 - 2) + (10 - 2) + (11 - 2) + (12 - 2)

= 7 + 8 + 9 + 10

= 34.

The 4th partial sum, s4, of the given series is 34. This means that if we add up the first four terms of the series, we obtain a sum of 34. However, since the series extends to infinity, the total sum cannot be determined exactly. The value of s4 represents only a finite approximation of the entire series.

To know more about partial Sum refer to-

https://brainly.com/question/31402067

#SPJ11

Consider the following T is the reflection in the y-axis in R2:t(x,y)= (-x, y), v-(2,-5) (a) Find the standard matrix A for the linear transformation T

Answers

The standard matrix A for the linear transformation T is [-1 0; 0 1].

To find the standard matrix A for the linear transformation T, we need to apply the transformation to the standard basis vectors of R2, which are (1,0) and (0,1).

First, let's apply T to (1,0). We have:
T(1,0) = (-1,0)

So the first column of A is (-1,0).


Next, let's apply T to (0,1). We have:
T(0,1) = (0,1)

So the second column of A is (0,1).

Therefore, the standard matrix A for the linear transformation T is:

A = [-1 0]
     [0  1]

This means that any vector in R2 can be transformed by multiplying it by this matrix. For example, if we want to apply T to the vector v = (2,-5), we can do:

T(v) = A*v
      = [-1 0] * [2]
                  [-5]
       = [-2]
          [-5]

So T(2,-5) = (-2,-5).

In summary, the standard matrix A for the linear transformation T is [-1 0; 0 1], and we can use it to apply the transformation to any vector in R2.

know more about linear transformation here:

https://brainly.com/question/30482218

#SPJ11

The rectangles below are similar.
The sides of rectangle T are 6 times longer
than the sides of rectangle S.
What is the height, h, of rectangle T in cm?
Give your answer as an integer or as a fraction
in its simplest form.
4 cm
10 cm
S
h
60 cm
T

Answers

The width of the first rectangle is 9 cm and the length of the first rectangle is 24 cm.

The width of the second rectangle is 14 cm and  the length of the second rectangle is 22 cm.

We have,

A rectangle is a part of a quadrilateral, whose sides are parallel to each other and equal.

The perimeter of a rectangle whose sides are a and b is 2(a+b).

Let the width of first rectangle = x

Then length of first rectangle = 15+x.

Width of the second rectangle = x+5

And length of  second rectangle = x+13

The perimeter of second rectangle = 72 cm

2(x+5+x+13) = 72

2x+18 = 36

x=9

The width of the first rectangle is 9 cm and the length of the first rectangle is 24 cm.

The width of second rectangle is 14 cm and  length is 22 cm

To know more about Rectangle on:

brainly.com/question/15019502

#SPJ1

complete question:

The length of arectangle is 15 cm more than the width. A second rectangle whose perimeter is 72 cm is 5 cm wider but 2 cm shorter than the first rectrangle. What are the dimensions of reach rectangle?

find a formula for the distance between the points with polar coordinates (r1, 1) and (r2, 2)

Answers

To find the distance between two points with polar coordinates (r1, 1) and (r2, 2), we need to convert the polar coordinates to Cartesian coordinates.

The formula to convert polar coordinates to Cartesian coordinates is x = r cos(theta) and y = r sin(theta), where r is the distance from the origin and theta is the angle from the positive x-axis.

Using this formula, we can convert the first point (r1, 1) to Cartesian coordinates (x1, y1) as x1 = r1 cos(1) and y1 = r1 sin(1). Similarly, we can convert the second point (r2, 2) to Cartesian coordinates (x2, y2) as x2 = r2 cos(2) and y2 = r2 sin(2).

Once we have the Cartesian coordinates of the two points, we can use the distance formula to find the distance between them. The distance formula is d = sqrt((x2 - x1)^2 + (y2 - y1)^2).

Substituting the Cartesian coordinates, we get the formula for the distance between the points with polar coordinates (r1, 1) and (r2, 2) as:

d = sqrt((r2 cos(2) - r1 cos(1))^2 + (r2 sin(2) - r1 sin(1))^2)

In conclusion, to find the distance between two points with polar coordinates (r1, 1) and (r2, 2), we need to convert the polar coordinates to Cartesian coordinates and then use the distance formula. The resulting formula involves trigonometric functions and the difference between the angles of the two points.

Learn more about Cartesian coordinates here:

https://brainly.com/question/30637894

#SPJ11

the american family has an average of two children. what is the random variable?

Answers

The random variable is the number of children in an American family. It represents the outcome of a probabilistic event, where the number of children can vary and is subject to chance.

A random variable is a mathematical concept used in probability theory to describe the possible outcomes of a random experiment. In this case, the random variable is the number of children in an American family.

The average of two children indicates the expected value or mean of the random variable. It suggests that, on average, American families tend to have two children.

However, it's important to note that the actual number of children in each family can vary considerably.

The random variable can take different values, including zero, one, two, and so on, representing the possible number of children in a family. Each value has an associated probability, indicating the likelihood of observing that specific outcome.

By studying the distribution of the random variable, such as the binomial distribution in this case, we can analyze the probabilities of different outcomes. For example, we can calculate the probability of a family having exactly two children, or the probability of having more than two children.

Understanding the random variable allows us to apply statistical methods to analyze and make predictions about the characteristics of American families in terms of the number of children they have.

Learn more about random variable here:

https://brainly.com/question/30789758

#SPJ11

the standard deviation of a standard normal distribution____a. can be any positive value b. is always equal to one c. can be any value d. is always equal to zero

Answers

The standard deviation of a standard normal distribution is always equal to one. The correct answer is (b) is always equal to one.

The standard deviation of a standard normal distribution refers to the amount of variability or spread in the data. In a standard normal distribution, which has a mean of zero and a variance of one, the standard deviation is always equal to one.

This means that approximately 68% of the data falls within one standard deviation of the mean, 95% of the data falls within two standard deviations of the mean, and 99.7% of the data falls within three standard deviations of the mean.

This property of a standard normal distribution makes it a useful tool in statistical analysis and hypothesis testing. However, it is important to note that the standard deviation of a normal distribution with a different mean and variance can have a different value than one.

Therefore, the correct answer is (b) is always equal to one.

To know more about standard deviation refer to-

https://brainly.com/question/23907081

#SPJ11

Which is not talked about in the news story? Press enter to interact with the item, and press tab button or down arrow until reaching the Submit button once the item is selectedAA new car is called the sQuba. BA company in Switzerland has invented a new car. CThe sQuba will be in a James Bond movie. DThe sQuba reminds some people of a car from a movie

Answers

The answer to the given question is option D. The news story does not talk about the scuba car reminding some people of a car from a movie. Let's discuss the given news story and options:  AA's new car is called the scuba. B A company in Switzerland has invented a new car.

The correct option is  D.The sQuba reminds some people of a car from a movie

C The scuba will be in a James Bond movie. D The sQuba reminds some people of a car from a movie. A company in Switzerland has invented a new car called the scuba. It is a three-wheeled electric car that can be driven on land and underwater. The car can dive to a depth of up to 10 meters underwater. It also floats to the surface due to its engine's power and the use of two fans that make it a personal submarine.

The sQuba has two seats and can travel up to 120 km/h on land and 6 km/h in water. The car's construction is expensive and uses carbon fiber. The news story talks about the invention of the new car, its features, its ability to be driven both on land and underwater, the speed, and the construction of the scuba car. However, it does not discuss the sQuba car reminding some people of a car from a movie.

Therefore, the answer is option D.

To know  more about Switzerland visit:

https://brainly.com/question/32286548

#SPJ11

Graph the quadratic function f(x) = (x + 3)2 - 1. Give the (a) vertex, (b) axis, (c) domain, and (d) range. Then determine (e) the largest open interval of the domain over which the function is increasing and (f) the largest open interval over which the function is decreasing.

Answers

(a) The vertex of the quadratic function f(x) = (x + 3)² - 1 is (-3, -1).

(b) The axis of the quadratic function f(x) = (x + 3)² - 1 is the vertical line x = -3.

(c) The domain of the quadratic function f(x) = (x + 3)² - 1 is all real numbers.

(d) The range of the quadratic function f(x) = (x + 3)² - 1 is y ≥ -1.

(e) The largest open interval over which the function is increasing is (-∞, -3).

(f) The largest open interval over which the function is decreasing is (-3, ∞).

What is the vertex, axis, domain, and range of the quadratic function f(x) = (x + 3)² - 1, and what are the largest open intervals over which the function is increasing and decreasing?

The given quadratic function f(x) = (x + 3)² - 1 can be analyzed to determine its key properties. The vertex of the parabola is obtained by using the formula (-b/2a, f(-b/2a)). In this case, the coefficient of x² is 1, the coefficient of x is 6, and the constant term is -1. Applying the vertex formula, we find the vertex to be (-3, -1). The axis of symmetry is a vertical line passing through the vertex, so the axis is x = -3.

The domain of a quadratic function is all real numbers, as there are no restrictions on the input values of x. However, the range of f(x) is limited by the lowest point on the parabola, which is the vertex (-3, -1). Therefore, the range is y ≥ -1, indicating that the function never goes below -1.

To determine where the function is increasing and decreasing, we can examine the leading coefficient of the quadratic term. Since it is positive (1 in this case), the parabola opens upward, and the function is increasing to the left and right of the vertex.

Learn more about Vertex

brainly.com/question/30945046

#SPJ11

Which event does NOT have a probability of 1 half ?


A

rolling an odd number on a six-sided number cube


B

picking a blue marble from a bag of 6 red marbles and 6 blue marbles


C

a flipped coin landing on heads


D

rolling a number greater than 4 on a six-sided number cube

Answers

True statement: rolling a number greater than 4 on a six-sided number

A probability is a numerical description of how likely an event is to occur or how likely it is for a proposition to be true. It is measured on a scale of 0 to 1, with 0 indicating that the event is impossible, and 1 indicating that the event is certain.

The answer is D, rolling a number greater than 4 on a six-sided number cube. A probability of 1/2 means there is a 50% chance that the event will occur, which is the same as a 50-50 chance. The events A, B, and C all have a probability of 1/2.

Rolling an odd number on a six-sided number cube has a probability of 1/2 because three of the six numbers are odd (1, 3, 5), and the other three are even (2, 4, 6).

As a result, half of the possible results are odd. Picking a blue marble from a bag of 6 red marbles and 6 blue marbles has a probability of 1/2 because half of the marbles in the bag are blue.

A flipped coin landing on heads has a probability of 1/2 because there are two possible outcomes, heads or tails. The probability of rolling a number greater than 4 on a six-sided number cube is not 1/2.

There are only two numbers (5 and 6) that are greater than 4, out of a total of six possible outcomes, which means the probability is 2/6 or 1/3. Thus, the correct answer is D, rolling a number greater than 4 on a six-sided number cube.

To learn about the probability here:

https://brainly.com/question/24756209

#SPJ11

The mathematical equation relating the independent variable to the expected value of the dependent variable that is,
E(y) = 0 + 1x,
is known as the
regression model.
regression equation.
estimated regression equation
correlation model.

Answers

The mathematical equation E(y) = 0 + 1x is known as the regression equation.

In the context of regression analysis, the regression equation represents the relationship between the independent variable (x) and the expected value of the dependent variable (y). The equation is written in the form of y = β0 + β1x, where β0 is the y-intercept and β1 is the slope of the regression line.

The regression equation is the fundamental equation used in regression analysis to model and predict the relationship between variables. It allows us to estimate the expected value of the dependent variable (y) based on the given independent variable (x) and the estimated coefficients (β0 and β1).

The coefficient β0 represents the value of y when x is equal to 0, and β1 represents the change in the expected value of y corresponding to a one-unit change in x. By estimating these coefficients from the data, we can determine the equation that best fits the observed relationship between the variables.

The regression equation is derived by minimizing the sum of squared residuals, which represents the discrepancy between the observed values of the dependent variable and the predicted values based on the regression line. The estimated coefficients are obtained through various regression techniques, such as ordinary least squares, which aim to find the line that minimizes the sum of squared residuals.

Once the regression equation is established, it can be used to make predictions and understand the relationship between the variables. By plugging in different values of x into the equation, we can estimate the corresponding expected values of y. This allows us to analyze the effect of the independent variable on the dependent variable and make predictions about the response variable based on different levels of the predictor variable.

In summary, the mathematical equation E(y) = 0 + 1x is known as the regression equation. It represents the relationship between the independent variable and the expected value of the dependent variable. By estimating the coefficients, the equation can be used to make predictions and analyze the relationship between the variables. The regression equation is a fundamental tool in regression analysis for understanding and modeling the relationship between variables.

To learn more about equation click here:

brainly.com/question/32304419

#SPJ11

Questions in photo
Please help

Answers

Applying the tangent ratio, the measures are:

5. tan A = 12/5 = 2.4;    tan B = 12/5 ≈ 0.4167

7. x ≈ 7.6

How to Find the Tangent Ratio?

The tangent ratio is expressed as the ratio of the opposite side over the adjacent side of the reference angle, which is: tan ∅ = opposite side/adjacent side.

5. To find tan A, we have:

∅ = A

Opposite side = 48

Adjacent side = 20

Plug in the values:

tan A = 48/20 = 12/5

tan A = 12/5 = 2.4

To find tan B, we have:

∅ = B

Opposite side = 20

Adjacent side = 48

Plug in the values:

tan B = 20/48 = 5/12

tan B = 12/5 ≈ 0.4167 [nearest hundredth]

7. Apply the tangent ratio to find the value of x:

tan 27 = x/15

x = tan 27 * 15

x ≈ 7.6 [to the nearest tenth]

Learn more about tangent ratio on:

https://brainly.com/question/13583559

#SPJ1

At a height of 316 m the bell tower is the tallest building in Morgansville Hank is creating a scale model of his building using a scale 100 m : 1 m. To the nearest 10th of a meter what will be the length of the scale model

Answers

In the given scenario, Hank is creating a scale model of his building using a scale 100 m: 1 m, and the bell tower is the tallest building in Morgans ville at a height of 316 m.

Therefore, to determine the length of the scale model, we need to divide the actual height of the bell tower by the scale ratio of 100 m: 1 m. The calculation can be represented as follows: Actual height of the bell tower = 316 m Scale ratio = 100 m: 1 m Therefore,

length of scale model = Actual height of the bell tower ÷ Scale ratio

= 316 m ÷ 100 m

= 316 m ÷ 100= 3.16 m

Therefore, the length of the scale model, to the nearest 10th of a meter, will be 3.2 m.

To know more about determine the length of the scale model visit:

https://brainly.com/question/31839389

#SPJ11

Sarah took a pizza out of the oven and it started to cool to room temperature (68 degrees * F). She will serve the pizza when it reaches (150 degrees * F). She took the pizza out of the oven at 5:00 pm. When can she serve the pizza?

Answers

Sarah took a pizza out of the oven, and the temperature of the pizza started to cool to room temperature of 68 degrees * F. She plans to serve the pizza when it reaches 150 degrees * F. She took the pizza out of the oven at 5:00 pm.

We know the temperature at time t = 0 (i.e., 5:00 pm), which is 150 degrees * F. Therefore, the formula becomes:[tex]150 - 68 = (150 - 68) e^-kt82 = 82e^-kt1 = e^-kt[/tex] Taking the natural logarithm (ln) of both sides, we have :ln [tex]1 = ln e^-kt0 = -kt So t = 0/(-k) t = 0[/tex]Since we know that the temperature of the pizza was 150 degrees * F at 5:00 pm, we can assume the pizza will reach 68 degrees * F at 7:12 pm, assuming that the temperature of the room does not change. Therefore, she can serve the pizza at 7:12 pm.

To know more about temperature  visit:

brainly.com/question/15267055

#SPJ11

10cos30 - 3tan60 in form of square root of k where k is an integer

Answers

To express 10cos30 - 3tan60 in the form of a square root of k, where k is an integer, we can use the fact that cosine and tangent are both periodic functions with a period of 2π.

Specifically, we can write:

10cos30 - 3tan60 = 10cos(30 + 2π) - 3tan(60 + 2π)

= 10cos(30) - 3tan(60)

= 10(cos(30) - sin(30)sin(60))

= 10(cos(30) - sin(60))

= 10cos(60)

Therefore, 10cos30 - 3tan60 is equal to 10cos(60), which is in the form of a square root of k, where k is an integer.

So the answer is:

10cos30 - 3tan60 = 10cos(60)

or in the form of a square root of k:

sqrt(10)(cos(60))

Learn more about trignometry visit : brainly.com/question/29766029

#SPJ11

A suspension bridge has two main towers of equal height. A visitor on a tour ship approaching the bridge estimates that the angle of elevation to one of the towers is 24°. After sailing 406 ft closer he estimates the angle of elevation to the same tower to be 48°. Approximate the height of the tower

Answers

The height of the tower is approximately 632.17 ft.

Given that the suspension bridge has two main towers of equal height, the height of the tower can be approximated as follows:

Let x be the height of the tower in feet.Applying the tan function, we can write:

tan 24° = x / d1 and tan 48° = x / d2

where d1 and d2 are the distances from the visitor to the tower in the two different situations. The problem states that the difference between d1 and d2 is 406 ft.

Thus:d2 = d1 − 406

We can now use these equations to solve for x. First, we can write:

d1 = x / tan 24°and

d2 = x / tan 48° = x / tan (24° + 24°) = x / (tan 24° + tan 24°) = x / (2 tan 24°)

Substituting these expressions into d2 = d1 − 406, we obtain:x / (2 tan 24°) = x / tan 24° − 406

Multiplying both sides by 2 tan 24° and simplifying, we get:x = 406 tan 24° / (2 tan 24° − 1) ≈ 632.17

Therefore, the height of the tower is approximately 632.17 ft.

Know more about height here,

https://brainly.com/question/29131380

#SPJ11

HELP


2. Quadrilateral ABCD is a rhombus. Given that mZEDA = 37, what are the measures of m ZAED.


mZDAE, and mZBCE ? Show all calculations and work

Answers

The required measures of m ZAED, mZDAE, and mZBCE are 37°, 143°, and 37°, respectively.Rhombus: A rhombus is a quadrilateral with four sides of equal length and opposite angles with equal measures.

Quadrilateral ABCD is a rhombus, with the following angles:

mZEDA = 37

Given a rhombus, it is expected that all sides have equal length, so;

ZEDA is a straight angle, the sum of all angles in a straight line is 180°.

∴m ZDEA = 180 - mZEDA = 180 - 37 = 143°

From the definition of a rhombus, all sides are equal in length and all angles are equal in measure.

Thus,mZEDA = mZDEA = mZDAB = mZCBA = 37°

Since mZDEA = 143°, then; m ZAED = 180 - mZDEA = 180 - 143 = 37°

∵ZADE is a straight angle

∴ mZDAE = 180 - mZAED = 180 - 37 = 143°

∵ ZBCE is a straight angle

∴ mZBCE = 180 - mZDEA = 180 - 143 = 37°.

Hence the required measures of m ZAED, mZDAE, and mZBCE are 37°, 143°, and 37°, respectively.

To know more about quadrilateral visit:

https://brainly.com/question/29934291

#SPJ11

Susie had 30 dollars to spend on 3 gifts. She spent 11 9/10 dollars on gift A and 5 3/5 dollars on gift B. How much money did she have left for gift C?

Answers

Susie had 12 3/10 left to spend on gift C.

Here is the solution to the given question:

Given data:

Susie had 30 to spend on three gifts.She spent 11 9/10 on gift A.She spent 5 3/5 on gift B.

In order to find to find the amount of money Susie has spent, we have to add the amount spent on gift A and the amount spent on gift B:

Amount spent on gift A and B = 11 9/10 + 5 3/5

Lets change both mixed numbers to improper fractions:

11 9/10 = (11 × 10 + 9) ÷ 10

= 119 ÷ 105 3/5

= (5 × 5 + 3) ÷ 5

= 28 ÷ 5

Amount spent on gift A and B = 11 9/10 + $5 3/5

= 119/10 + 28/5

We need to find the common denominator of 5 and 10, which is 10.

We have to convert the second fraction:

28/5 = (28 × 2) ÷ (5 × 2) = 56/10

Amount spent on gift A and B = 119/10 + 56/10

= (119 + 56)/10

= 175/10

Lets simplify the fraction: 175/10

= $17 5/10

= $17.5

Therefore, Susie spent $17.5 on gift A and gift B.

To find how much money she had left for gift C, we subtract the amount spent on gifts A and B from the total amount she had:

Amount spent on gifts A and B = 17.5

Total amount Susie had = 30

Money left for gift C = 30 − 17.5

= $12.5

We can write 12.5 as a mixed number:

12.5 = 12 5/10 = 12 1/2

Therefore, Susie had 12 1/2 left to spend on gift C.

To know more about  amount please visit :

https://brainly.com/question/25109150

#SPJ11

Marge conducted a survey by asking 350 citizens whether they frequent the city public parks. Of the citizens surveyed, 240 responded favorably.


What is the approximate margin of error for each confidence level in this situation?


0. 07


0. 03


0. 04


0. 05


0. 06


99%


95%


90%

Answers

The approximate margin of error for each confidence level in the situation is:0.07, 0.04 and 0.03.What is margin of error?Margin of error refers to the extent of error that is possible when conducting research, or measuring a sample group in the population. A confidence level is the range within which the researchers can have confidence that the actual percentage of the population falls.How to calculate margin of error:Margin of error is determined by using the formula:Margin of Error = Z score x Standard deviation of sample error.

The values of Z score for 90%, 95% and 99% confidence intervals are 1.64, 1.96 and 2.58 respectively.Calculating the standard deviation:From the data provided, we know that there were 240 favorable responses out of 350 surveys. The proportion can be calculated as;240/350 = 0.686The standard deviation of a sample proportion can be calculated by using the formula:SD = √((p * q) / n)where p is the proportion of success, q is the proportion of failures, and n is the sample size.SD = √((0.686 * (1 - 0.686)) / 350)SD = 0.0323Therefore,Margin of error for 90% confidence interval:ME = 1.64 * 0.0323ME ≈ 0.053Margin of error for 95% confidence interval:ME = 1.96 * 0.0323ME ≈ 0.063Margin of error for 99% confidence interval:ME = 2.58 * 0.0323ME ≈ 0.083Hence, the approximate margin of error for each level confidence l in this situation is 0.07, 0.04 and 0.03.

To know more about  visit:

https://brainly.com/question/14382279

#SPJ11

find the sum of the series. from (n=1) to ([infinity])((-1)) with superscript (n-1) (3/(4) with superscript (n))

Answers

The sum of the given series is 4/7.

What is the sum of the infinite series with alternating signs and a denominator that increases exponentially?

The given series has an alternating sign and a denominator that increases exponentially. The formula to find the sum of such a series is a/(1-r), where 'a' is the first term and 'r' is the common ratio.

Here, 'a' is 3/4 and 'r' is -1/4. Plugging these values in the formula, we get the sum of the series as 4/7.

To find the sum of an infinite series with alternating signs and a denominator that increases exponentially, we can use the formula a/(1-r), where 'a' is the first term and 'r' is the common ratio.

Here, the first term is 3/4 and the common ratio is -1/4. Plugging these values in the formula gives the sum of the series as 4/7. This means that as we keep adding terms to the series, the sum approaches 4/7, but never quite reaches it.

Learn more about infinite series

brainly.com/question/23602882

#SPJ11

There are 870 boys and 800 girls in a school.

The probability that a boy chosen at random studies Spanish is 2/3.

The probability that a girl is chosen at random studies Spanish is 3/5.

What probability, as a fraction in it's simplest form , that a student chosen at random from the whole school does not study Spanish

Answers

Given:There are 870 boys and 800 girls in a school.

The probability that a boy chosen at random studies Spanish is 2/3.

The probability that a girl is chosen at random studies Spanish is 3/5.

To find:The probability, as a fraction in its simplest form, that a student chosen at random from the whole school does not study Spanish.

Solution:The probability that a boy chosen at random studies Spanish is 2/3.

So, the probability that a boy chosen at random does not study Spanish is:

1 - 2/3 = 1/3

The probability that a girl chosen at random studies Spanish is 3/5.

So, the probability that a girl chosen at random does not study Spanish is:

1 - 3/5 = 2/5

Number of boys in the school = 870

Number of girls in the school = 800

Total students in the school

= 870 + 800

= 1670

Now, the probability that a student chosen at random from the whole school does not study Spanish = probability that a boy chosen at random does not study Spanish + probability that a girl chosen at random does not study

Spanish= (870/1670) × (1/3) + (800/1670) × (2/5)

= 29/167

Hence, the required probability is 29/167.

To know more about probability visit:

https://brainly.com/question/31828911

#SPJ11

Gabby 's gym charges members an initial joining fee of $300 plus $50 per month. so members can calculate how much they have paid to the gym using the formula c= 50m+30, where m is the number of months they have been members. will's workout charges $65 per month with no initial fee. so members of will's can calculate their charges using formula c=65, where m is the number of months they have been members.

Answers

Members of Gabby's gym can calculate their total charges using the formula c = 50m + 300, where m represents the number of months they have been members. On the other hand, members of Will's workout can calculate their charges using the formula c = 65m, with no initial fee.

The first formula, c = 50m + 300, represents the charges for members of Gabby's gym. The term "50m" denotes the monthly fee of $50 multiplied by the number of months (m) the member has been a part of the gym. The term "+300" accounts for the initial joining fee of $300. By plugging in the number of months (m), members can calculate their total charges (c) paid to the gym.

For members of Will's workout, the formula is simpler, represented as c = 65m. Since there is no initial fee mentioned, the term "65m" directly represents the charges incurred per month for the number of months (m) the member has been part of the gym. By multiplying $65 with the number of months, members can determine their total charges (c) paid to Will's workout.

Learn more about formula here:

https://brainly.com/question/15183694

#SPJ11

Coach George has a 2 gallon drink dispenser filled with water for his team to drink after the game. He buys cups that can hold 16 fluid ounces, so he can share the water equally between his teams players. How many players are on the team?

Answers

Coach George's team has 16 players on the team

It is given that coach George has a 2-gallon drink dispenser filled with water for his team to drink after the game. Now, as we know, one gallon is equivalent to 128 ounces.So, the 2-gallon drink dispenser is equivalent to

2 x 128 = 256 fluid ounces. Coach George buys cups that can hold 16 fluid ounces.

So, the number of players can be calculated by dividing the total amount of water by the amount of water each player can consume.

Hence

,Number of players = 256 / 16 = 16 players

Therefore, Coach George's team has 16 players on the team

To know more about ounces visit:

brainly.com/question/26950819

#SPJ11

evaluate the triple integral. 8x dv, where e is bounded by the paraboloid x = 5y2 5z2 and the plane x = 5. e

Answers

The value of the given triple integral is 16π/3 (5/4)^(5/2).

We are given the region E bounded by the paraboloid x = 5y^2 - 5z^2 and the plane x = 5. We need to evaluate the triple integral 8x dV over this region.

Converting to cylindrical coordinates, we have x = 5y^2 - 5z^2 = 5r^2 cos^2 θ - 5z^2. The region E can be expressed as 0 ≤ z ≤ √(y^2/5 - y^4/25) and 0 ≤ y ≤ √(x-5)/5.

Substituting for x in terms of y and z, we get 0 ≤ z ≤ √(y^2/5 - y^4/25), 0 ≤ y ≤ √(5y^2 - 25)/5, and 0 ≤ θ ≤ 2π. Also, we have r ≥ 0.

Therefore, the integral becomes:

∫∫∫E 8x dV = ∫₀^√(5/4) ∫₀^√(5y^2 - 25)/5 ∫₀^{2π} 8(5r^2 cos^2 θ) r dz dy dθ

Simplifying and evaluating the integrals, we get:

∫∫∫E 8x dV = 16π/3 (5/4)^(5/2).

For such more questions on Triple integral:

https://brainly.com/question/31319754

#SPJ11

The value of the triple integral is 320/7.

We can set up the triple integral as follows:

∫∫∫ 8x dV

Where the limits of integration are determined by the bounds of the region E, which is bounded by the paraboloid x = 5y^2 + 5z^2 and the plane x = 5.

Since x is bounded by the plane x = 5, we can set up the limits of integration for x as follows:

5y^2 + 5z^2 ≤ x ≤ 5

The region E is symmetric with respect to the yz-plane, so we can set up the limits of integration for y and z as follows:

-√(x/5 - z^2/5) ≤ y ≤ √(x/5 - z^2/5)

-√(x/5) ≤ z ≤ √(x/5)

Putting it all together, we get:

∫ from 0 to 5 ∫ from -√(x/5) to √(x/5) ∫ from -√(x/5 - z^2/5) to √(x/5 - z^2/5) 8x dy dz dx

We can simplify the limits of integration by switching the order of integration. Since the integrand does not depend on y or z, we can integrate y and z first:

∫ from 0 to 5 ∫ from -√(x/5) to √(x/5) ∫ from -√(x/5 - z^2/5) to √(x/5 - z^2/5) 8x dy dz dx

= ∫ from 0 to 5 ∫ from -√(x/5) to √(x/5) 8x ∫ from -√(x/5 - z^2/5) to √(x/5 - z^2/5) dy dz dx

The limits of integration for y and z depend on x and z, so we can integrate z first:

∫ from 0 to 5 ∫ from -√(x/5) to √(x/5) 8x ∫ from -√(x/5) to √(x/5) √(x/5 - z^2/5) + √(x/5 - z^2/5) dz dx

= ∫ from 0 to 5 ∫ from -√(x/5) to √(x/5) 16x√(x/5 - z^2/5) dz dx

Finally, we can integrate y:

∫ from 0 to 5 32/3 x^(5/2) dx

= 320/7

Know more about triple integral here:

https://brainly.com/question/31385814

#SPJ11

plot the point whose spherical coordinates are given. then find the rectangular coordinates of the point. (a) (6, /3, /6)

Answers

To plot the point whose spherical coordinates are given, we first need to understand what these coordinates represent. Spherical coordinates are a way of specifying a point in three-dimensional space using three values: the distance from the origin (ρ), the polar angle (θ), and the azimuth angle (φ).


In this case, the spherical coordinates given are (6, π/3, -π/6). The first value, 6, represents the distance from the origin. The second value, π/3, represents the polar angle (the angle between the positive z-axis and the line connecting the point to the origin), and the third value, -π/6, represents the azimuth angle (the angle between the positive x-axis and the projection of the line connecting the point to the origin onto the xy-plane).
To plot the point, we start at the origin and move 6 units in the direction specified by the polar and azimuth angles. Using trigonometry, we can find that the rectangular coordinates of the point are (3√3, 3, -3√3).
To summarize, the point with spherical coordinates (6, π/3, -π/6) has rectangular coordinates (3√3, 3, -3√3).

Learn more about dimensional here

https://brainly.com/question/29755536

#SPJ11

4. A rocket is launched vertically from the ground with an initial velocity of 48 ft/sec.
The basic form of a flying object equation is A(t)=-16t² + vot+he
Points
13)
14
15
(a) Write a quadratic function h(t) that shows the
height, in feet, of the rocket t seconds after it was
launched.
(b) Graph h(t) on the coordinate plane.
(c) Use your graph from Part 4(b) to determine the
rocket's maximum height, the amount of time it
took to reach its maximum height, and the
amount of time it was in the air.
Maximum height:
Time it took to reach maximum height:
Total rime rocket was in the air:
Mn
4
64+
60-
56-
52-
48-
44
1
1
3
40-
36-
32
28-
24-
20
O
Concept Addressed
Writing the correct function for h(t)
Graph the function correctly
Correctly identify the maximum
height, the amount of time it takes
to reach the max height, and how
long it is in the air.

Answers

Answer:

Step-by-step explanation:

see image for answers and explanation.

In the school stadium, 1/5 of the students were basketball players, 2/15 the students were soccer players, and the rest of the students watched the games. How many students watched the games?

Answers

The number of students who watched the games = (2/3)x = [2/3 * Total number of students] = [2/3 * x] = (2/3) x 150 = 100 students.

Let's assume that the total number of students in the school stadium is x. So,1/5 of the students were basketball players => (1/5)x2/15 of the students were soccer players => (2/15)x

So, the rest of the students watched the games => x - [(1/5)x + (2/15)x]

Let's simplify the given expressions=> (1/5)x = (3/15)x=> (2/15)x = (2/15)x

Now, we can add these fractions to get the value of the remaining students=> x - [(1/5)x + (2/15)x]

=> x - [(3/15)x + (2/15)x]

=> x - (5/15)x

=> x - (1/3)x = (2/3)x

Students who watched the games are (2/3)x

.Now we have to find out how many students watched the game. So, we have to find the value of (2/3)x.

We know that, the total number of students in the stadium = x

Hence, we can say that (2/3)x is the number of students who watched the games, and (2/3)x is equal to [2/3 * Total number of students] = [2/3 * x]

Therefore, the students who watched the game are (2/3)x.

Hence the solution to the given problem is that the number of students who watched the games = (2/3)x = [2/3 * Total number of students] = [2/3 * x] = (2/3) x 150 = 100 students.

To learn about the fraction here:

https://brainly.com/question/17220365

#SPJ11

determinet he l inner product of f(x) = -2cos2x g(x) = -sin2x

Answers

The inner product of f(x)=-2cos(2x) and g(x)=-sin(2x) is 0.

To find the inner product of f(x) and g(x), we use the formula:

⟨f,g⟩= ∫[a,b] f(x)g(x)dx

where [a,b] is the interval of integration.

Substituting the given functions, we get:

⟨f,g⟩= ∫[0,π] -2cos(2x)(-sin(2x))dx

= 2 ∫[0,π] sin(2x)cos(2x)dx

Using the identity sin(2θ)cos(2θ) = sin(4θ)/2, we get:

⟨f,g⟩= ∫[0,π] sin(4x)/2 dx

= [-cos(4x)/8]π0

= (-1/8)[cos(4π)-cos(0)]

= (-1/8)[1-1]

= 0

Therefore, the inner product of f(x) and g(x) is 0.

For more questions like Product click the link below:

https://brainly.com/question/30727319

#SPJ11

Can some one help me with it​

Answers

The given expression (3x²+x-1)/√x simplifies to √x(3x+1-1/x).

The given expression is given as follows:

(3x²+x-1)/√x

To simplify the expression (3x²+x-1)/√x, we can start by multiplying the numerator and denominator by √x.

This will allow us to eliminate the square root in the denominator and simplify the expression:

(3x²+x-1)/√x × √x/√x

= √x(3x²+x-1)/x

= √x(3x+1-1/x)

Therefore, (3x²+x-1)/√x simplifies to √x(3x+1-1/x).

We multiplied the numerator and denominator by √x to eliminate the square root in the denominator and then simplified the resulting expression by dividing the numerator by x.

Learn more about Expressions here :

brainly.com/question/21751419

#SPJ1

The complete question is as follows:

Solve this expression:

(3x²+x-1)/√x

Other Questions
Funds in commercial banks are protected by the:a. National Credit Union Administration (NCUA). B. Federal Depositors Assurance Corporation (FDAC). C. Federal Deposit Insurance Corporation (FDIC). D. National Credit Union Share Insurance Fund (NCUSIF). E. Savings Association Insurance Fund (SAIF) which technique involves augmenting the password file with random values to increase the difficulty of computational password guessing? in a mixed contract involving goods and services, article 2 of the ucc will govern if the predominant purpose is the sale of goods. Please help me on this Answer ASAP for notes (Will make brainiest if two people answer)Triangle ABC is shown. Use the graph to answer the question. Determine the coordinates of the image if triangle ABC is translated 5 units down.(Make sure it's a decent explanation since this is for my notes) PLEASE HELP ME WITH NUMBER ONE What does the cli option do on the model statement of an mlr analysis in proc glm? Dapple Company is considering a capital investment in machinery: 8.Calculate the payback 9.Calculate the ARR. Round the percentage to two decimal places (Click the icon to view the data.) 10.Based on your answers to the above questions, should Dapple invest in the machinery? Let h be a secure cryptographic hash function. For this problem, a password consists of a maximum of 14-characters and there are 32 possible choices for each character. If a password is less than 14-char, it's padded with nulls until it is exactly 14 chars. Let P be the resulting 14 char password. Consider the following two password hashing schemes.(i) Password P is split into two parts, with X equal to the first 7 char and Y equal to last 7 char. The password is stored as (h(X), h(Y)). No salt is used.(ii) The password is stored as h(P). Again, no salt is used.Question:A. Assuming brute force attack, how much easier is it to crack the password if scheme(i) is used as compared with scheme (ii)?B. If scheme (i) is used, why might a 10 char password be less secure than a 7-char password? is a document that contains questions or blank spaces where the appilicant provides information what is the theory of purchasing power parity? does the theory successfully explain all long-run exchange rate movements? what are some reasons that it might not always explain such movements? how does the ppp impact customers and businesses differently? you decide to work in japan for the next ten years, accumulate some savings, then move back to the united states and convert your savings from yen to dollars. at the time of your move, economists predict that consumers in the united states have reignited their love of japanese products, especially hoverboards and 3d televisions, and expect this strong preference for japanese products will continue for the next decade. should these predictions encourage or discourage you from working and saving in japan why should you reconsider your move and/or reconsider it in the future? How can the amidomalonate method be applied to synthesize phenylalanine in two steps? In a survey conducted among some people of a community, 650 people like meat, 550 people don't like meat, 480 don't like fish and 250 like meat but not fish. (i) How many people were surveyed? (ii) How many people like fish but not meat? (iii) How many people are vegetarians? Match the task to the correct phase.1. creating the communication plan project-initiation phase 2. completing the project charter project-planning phase 3. noting the team's accomplishments project-closure phase 4. monitoring the project schedule project-execution phase tyner et al. (2002) found that strains of mice with elevated expression of the protein p53 ________________________________. Joyce is paid $14. 85 an hour for a regular 40-hour week. Her over time pay is time and a half her hourly rate. This past week, Joyce earned $727. 65 in total pay. How many hours of overtime did she work? Kindly solve this question as soon as possible using the concept pf graph theorySuppose Kruskals Kingdom consists of n 3 farmhouses, which are connected in a cyclical manner. That is, there is a road between farmhouse 1 and 2, between farmhouse 2 and 3, and so on until we connect farmhouse n back to farmhouse 1. In the center of these is the kings castle, which has a road to every single farmhouse. Besides these, there are no other roads in the kingdom. (a) Find the number of paths of length 2 in the kingdom in terms of n. Justify your answer. (b) Find the number of cycles of length 3 in the kingdom in terms of n. Justify your answer. (c) Find the number of cycles in the kingdom in terms of n. right-clicking a column heading, then selecting insert, will add a new column to the left of the current column.T/F? (a) What is the rate of heat conduction through the 3.00-cm-thick fur of a large animal having a 1.40-m2 surface area? Assume that the animals skin temperature is 32.0C , that the air temperature is 5.00C , and that fur has the same thermal conductivity as air. (b) What food intake will the animal need in one day to replace this heat transfer? write lead variables in terms of the free vraibles