find the derivative by using formula
[tex]y = xe ^{x} [/tex]

Answers

Answer 1

The derivative of the function y = xeˣ when calculated is xeˣ + eˣ

How to determine the derivative of the function

Given that

y = xeˣ

To find the derivative of the function y = xeˣ, we can use the product rule and the chain rule of differentiation.

First, we use the product rule:

d/dx = x * d/dx eˣ + d/dx x * eˣ

Next, we use the chain rule to complete the derivative

d/dx = x * eˣ + 1 * eˣ

Substituting this into the product rule equation gives:

d/dx = xeˣ + eˣ

Therefore, the derivative of y = xeˣ is  xeˣ + eˣ

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Related Questions

Find the length of the side labeled x. Round intermediate values to the nearest tenth. Use the rounded values to calculate the next value. Round your final answer to the nearest tenth.​

Answers

The length of the side labeled x is 75.3 when rounded to the nearest tenth which can be determined by using Pythagorean theorem.

What is Pythagorean theorem?

The Pythagorean theorem states that the square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides.

To find the length of the side labeled x, we will first need to calculate the length of the other two sides.

For the first triangle, the hypotenuse is equal to the side labeled x, so the length of the side labeled x can be calculated using the formula:

x = √(35² + 42²) = 50.1

For the second triangle, the hypotenuse is the side opposite the right angle, which is equal to the side labeled x. We can calculate the length of the side labeled x using the formula:

x = √(60² + 50²) = 75.3

For the third triangle, the hypotenuse is the side opposite the right angle, which is equal to the side labeled x. We can calculate the length of the side labeled x using the formula:

x = √(28² + 34²) = 39.6

Therefore, the length of the side labeled x is 75.3 when rounded to the nearest tenth.

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The rounded value of x in the triangles is:

25) x ≈ 76

27) x ≈ 21

29) x ≈ 104

Give a brief account on trigonometric relations.

All trigonometric identities are based on six trigonometric ratios. Sine, cosine, tangent, cosecant, secant, and cotangent. All these trigonometric ratios are defined using the sides of a right triangle as follows: Adjacent side, opposite side, and hypotenuse side.

25) Since, Sinθ = Opposite side/hypotenuse

Sin35° = 39/hypotenuse

hypotenuse = 39/Sin35°

Sin35° = 0.57

hypotenuse = 39/0.57

hypotenuse = 68.42

Now, using Pythagoras theorem:

hypotenuse² = base² + perpendicular²

68.42² = 39² + perpendicular²

4681.29 - 1521 = perpendicular²

4681.29 - 1521 = perpendicular²

3160.29 = perpendicular²

√3160.29 = perpendicular

56.21 = perpendicular

For the calculation of x:

Cosθ = Adjacent side/hypotenuse

Cos42° = 56.21/x

0.74 = 56.21/x

x = 56.21/0.74

x = 75.95

x ≈ 76

27) Cosθ = Adjacent side/hypotenuse

Cos60° = 14/hypotenuse

0.5 = 14/hypotenuse

hypotenuse = 14/0.5

hypotenuse = 28

Now, using Pythagoras theorem:

hypotenuse² = base² + perpendicular²

28² = 14² + perpendicular²

784 - 196 = perpendicular²

588 = perpendicular²

√588 = 24.24

perpendicular = 24.24

For the calculation of x:

Sinθ = Opposite side/hypotenuse

Sin50 = 24.24/hypotenuse

0.76 = 24.24/hypotenuse

hypotenuse = 24.24/0.76

hypotenuse = 31.89

Using Pythagoras theorem:

hypotenuse² = base² + perpendicular²

31.89² = x² + 24.24²

1016.97 = x² + 587.57

x² = 1016.97 - 587.57

x² = 429.4

x = √429.4

x = 20.72

x ≈ 21

29) Sinθ = Opposite side/hypotenuse

Sin28° = 44/hypotenuse

0.46 = 44/hypotenuse

hypotenuse = 44/0.46

hypotenuse = 95.65

Using Pythagoras theorem:

hypotenuse² = base² + perpendicular²

95.65² = 44² + perpendicular²

perpendicular² = 9148.92 - 1936

perpendicular² = 7212.92

perpendicular = √7212.92

perpendicular = 84.92

For the calculation of x:

Cosθ = Adjacent side/hypotenuse

Cos34 = 84.92/x

x = 84.92/0.82

x = 103.56

x ≈ 104

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4. The total cost of a group of friends to go on vacation includes $500 in airfare per person and $5600 for the Airbnb. The total cost will be split evenly amongst the number of people going. Let C represent the cost per person and x represent the number of people attending.

a. Write an equation that models the cost per person.

b. How much would the vacation cost per person if 10 people decided to go?​

Answers

Using equations the answers to both subparts are shown:

(A) The equation: (500x + 5600)/x = C

(B) Cost per person (C) = $1,060

What is an equation?

A mathematical equation is a formula that uses the equals sign to represent the equality of two expressions.

A mathematical equation is a statement that two amounts or values are equal, such as 6 x 4 = 12 x 2. 2.

When two or more components must be taken into account collectively in order to comprehend or describe the overall situation, this is known as an equation.

So, (A) the equation would be:

C is the cost per person and x is the number of people.

(500x + 5600)/x = C

(B) Cost per person if 10 people are traveling.

x = 10

(500x + 5600)/x = C

(500*10 + 5600)/10 = C

(5000 + 5600)/10 = C

10600/10 = C

$1,060 = C

Therefore, using equations the answers to both subparts are shown:

(A) The equation: (500x + 5600)/x = C

(B) Cost per person (C) = $1,060

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Define a sample space and count the number of sample points in the sample space for each of the following experiments. a. Select at random a set of 5 questions from a set of 15 questions. b. Form by random selection a committee of 5 from a membership of 20.

Answers

There are 15C5 or 3003 possible combinations in the sample space.There are 20C5 or 15504 possible combinations in the sample space.

What is number?

A number is a mathematical object used to count, measure, and label. Numbers can be represented in many different forms such as natural numbers, integers, real numbers, and complex numbers. They can also be classified as scalar numbers (which have a magnitude or value only) or vector numbers (which have both magnitude and direction). Numbers can be used to represent many different things, including measurements, distances, money, and quantities.

A) Sample Space: The sample space for selecting a set of 5 questions from a set of 15 questions is the set of all possible combinations of 5 questions from 15 questions. There are 15C5 or 3003 possible combinations in the sample space.

B) Sample Space: The sample space for forming a committee of 5 from a membership of 20 is the set of all possible committees that can be formed from 20 members. There are 20C5 or 15504 possible combinations in the sample space.

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The original price of the pearl was 52 euros.

What is price?

Price is the monetary value of a product, service, or asset. It is one of the most important factors in a customer's decision to purchase something. Price also determines the amount of profit a business makes on a particular product or service. Price is a key component of the marketing mix, and it can be used to create a sense of value for customers. Price can also be used to differentiate a product from competitors, as well as to indicate quality levels and to create loyalty.

a) One of the cheapest pearls costs 41 euros.

b) This necklace costs 2153 euros, which is the sum of all the pearls.

c) The pearl with the crack originally cost 52 euros. The price was reduced by 1/5, which is 10.4 euros, making the price of the pearl 41.6 euros. The decrease in price of the necklace was 6.5 euros, which means the reduction in price of the pearl was 6.5 euros. Therefore, the original price of the pearl was 52 euros.

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Use the table you created to play the "Two Spinner
Game" below.
For this game, we say the spinners "match" if they
land on the same color (e.g., both red, or both blue).
How do you win? Once again, that's your choice:
(1) If the spinners MATCH, you win.
(2) If the spinners DO NOT MATCH, you win.
Which game would you be more likely to win?

Answers

Therefore, you would be more likely to win the game by choosing option (2) - winning if the spinners do not match.

What is probability?

Probability is a measure of the likelihood or chance of an event occurring. It is expressed as a number between 0 and 1, where 0 indicates that the event is impossible, and 1 indicates that the event is certain. The probability of an event is calculated by dividing the number of favorable outcomes by the total number of possible outcomes. Probability is used in many areas of mathematics, science, engineering, finance, and other fields to model and analyze uncertain situations. It helps to make predictions, to assess risks and opportunities, and to make informed decisions based on available information. Probability theory provides a foundation for statistical inference, which is used to draw conclusions from data and to test hypotheses about the underlying population.

Here,

In the "Two Spinner Game", there are two possible outcomes for each spin - a match or a non-match. The probability of the spinners matching is the probability of both spinners landing on the same color. Let's say that there are 3 red sections, 3 blue sections, and 2 green sections on each spinner.

The probability of the first spinner landing on red is 3/8, and the probability of the second spinner landing on red is also 3/8. Therefore, the probability of both spinners landing on red (a match) is (3/8) x (3/8) = 9/64.

Similarly, the probability of both spinners landing on blue (another match) is (3/8) x (3/8) = 9/64, and the probability of both spinners landing on green (a match) is (2/8) x (2/8) = 4/64.

The probability of the spinners not matching is the probability of them landing on different colors. There are 3 different pairs of colors that are not a match: red-blue, red-green, and blue-green. The probability of each of these pairs is (3/8) x (3/8) = 9/64.

So, there are 6 possible outcomes, and the probability of winning by a match is 9/64 + 9/64 + 4/64 = 22/64, or about 34.4%. The probability of winning by a non-match is 3 x 9/64 = 27/64, or about 42.2%.

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Please give me the right answer, no people who just want to take points.

Answers

Answer:

Do C.

Step-by-step explanation:

find the smallest value of n that you can for which s n has an element of order greater than or equal to 100

Answers

The smallest value of `n` for which `S_n` has an element of order greater than or equal to 100 is 101.

To determine the smallest value of n for which S_n has an element of order greater than or equal to 100, we can use the formula

S_n = n!/r!(n - r)!,

where n is the number of elements in the set, and r is the number of elements being chosen at a time.

Given, S_n has an element of order greater than or equal to 100. The smallest value of n should be determined.

The formula for the number of permutations in a set with n elements is given by, `S_n = n!/r!(n - r)!`

where `n` is the number of elements in the set and `r` is the number of elements being chosen at a time.

The element of order `n` in `S_n` is an `n` cycle. For `n = 100`, we have an element of order 100.

This element can be expressed as `(1 2 3 ... 99 100)`. Thus, `r = 100`.

Substituting these values in the formula of S_n we get, S_n = n!/r!(n - r)! => n!/(100!(n - 100)!)

Now, we have to find the smallest value of n for which S_n has an element of order greater than or equal to 100. If we substitute `n = 100`, then we will have an element of order 100. But the question asks for the smallest value of n. So, if we substitute `n = 101`, we will have an element of order `101`. Hence, the smallest value of `n` for which `S_n` has an element of order greater than or equal to 100 is 101.

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A company manufactures two products Market research and available resources require the followir constraints The number of units of product A manufactured at most 500 units more than twice the of units of product B. Y. The square of the company's profit is equal to the sum of 35 times the number of product A units sold and 50 times the number of product units. If the company expects weekly profits to exceed \$22,500 , which pair of inequalities represents these constraints?

Answers

These limitations are represented by the inequalities x 500 + 2y and 35x + 50y > 225002.

How do equations work?

An equation is an expression that shows the relationship between two or more numbers and variables. Numerical constants, symbolic names, mathematical operators, functions, and conditional expressions are all examples of components that can be included in expressions.

If x stands for the quantity of product A and y for the quantity of product B, then:

x ≤ 500 + 2y (1) (1)

Also:

35x + 50y > 22500² (2) (2)

These limitations are represented by the inequalities x 500 + 2y and 35x + 50y > 225002.

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I need help asap I just need atleast one of these explained and I can do the rest

Answers

The factοred fοrm οf a pοlynοmial is

1. 30b³- 54b² = 6b²(5b−9)

2. 3y⁵ - 48y³ = 3y³(y  −4)(y + 4)

3. x³ + 8 = (x + 2) (x² – 2x + 2²)

4. y³ - 64 = (y - 4) (y² – 4y + 4²)

5.  8c³ + 343(2c + 7)(4c² − 14c + 49)

What dοes a pοlynοmial functiοn in factοred fοrm lοοk like?

The factοred fοrm οf a pοlynοmial is represented as a³ + b³ = (a + b) (a² – ab + b²). All equatiοns are cοmpοsed οf pοlynοmials. Earlier we've οnly shοwn yοu hοw tο sοlve equatiοns cοntaining pοlynοmials οf the first degree, but it is οf cοurse pοssible tο sοlve equatiοns οf a higher degree.

One way tο sοlve a pοlynοmial equatiοn is tο use the zerο-prοduct prοperty. If yοu remember frοm earlier chapters the prοperty οf zerο tells us that the prοduct οf any real number and zerο is zerο.

We will use the formula

a³ + b³ = (a + b) (a² – ab + b²)

And

a³ - b³ = (a - b) (a² – ab + b²)

1. [tex]30b^3-\ 54b^2[/tex]

⇒ 6b²(5b−9)

2. 3y⁵ - 48y³

⇒ 3y³(  y² - 16y)

⇒ 3y³(  y² - 4 + 4 - 16y)

⇒ 3y³(y  −4)(y + 4)

3. x³ + 8

⇒ x³ + 2³

Using a³ + b³ = (a + b) (a² – ab + b²)

⇒ x³ + 2³

⇒ (x + 2) (x² – 2x + 2²)

4. y³ - 64

⇒ y³ -  4³

Using a³ - b³ = (a - b) (a² – ab + b²)

⇒ y³ -  4³

⇒ (y - 4) (y² – 4y + 4²)

5. 8c³ + 343

Using a³ + b³ = (a + b) (a² – ab + b²)

2c + 7

(2c + 7)(4c² − 14c + 49)

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In April, the party and occasions department had an opening inventory at 57,000 at retail. The sell thru percentage rate for April was 28 %, and the closing stock was 49. 0. What were the net sales in the department during the month of April

Answers

The net sales in the department during the month of april is $15960.

Sell-thru perecentage rate = Units sold / Units recieved

In our case:

Net sales = (Sell-thru rate)*(opening inventory)

Net sales = (0.28)*($57000)

= $15960

Net sales refer to the total amount of revenue generated by a company from its primary business operations, minus any returns, allowances, and discounts. This figure reflects the actual revenue earned by a company after accounting for any deductions and is a critical metric for evaluating the financial performance of a business.

Net sales are reported on a company's income statement and are a key component of the top line, which also includes other sources of revenue, such as interest income or gains from the sale of assets. Understanding a company's net sales is essential for assessing its growth potential, profitability, and overall financial health. Investors, creditors, and other stakeholders use net sales as a metric to evaluate a company's ability to generate revenue from its core operations, as well as its ability to compete effectively in its industry.

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In 2010, the population of Belvedere was estimated to be 39,366 people with an annual rate of increase of approximately 2.8%.
Select the explicit expression that represents the population in the next 6 years.
OA. 39,366(1.0028)5
OB. 39,366(1.28)
OC. 39,366(0.028)
OD. 39,366(1.028)

Answers

The exponential function that represents the population in the next six years is given as follows:

[tex]39366(1.028)^6[/tex]

How to model an exponential function?

The standard definition of an exponential function is given as follows:

[tex]A(t) = A(0)b^{\frac{t}{n}}[/tex]

The parameters of the exponential function are given as follows:

A(0) is the initial amount.b is the rate of change.n is the time needed for the rate of change.

In 2010, the population of Belvedere was estimated to be 39,366 people, hence the parameter a is given as follows:

a = 39366.

The yearly increase rate is of 2.8%, hence the parameter values for b and n are given as follows:

b = 0.028, n = 1.

Then the expression giving the population after t years is of:

[tex]P(t) = 39366(1.028)^t[/tex]

After six years, the expression is given as follows:

[tex]39366(1.028)^6[/tex]

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The height of a rectangle is multiplied by 4. Which of the following describes the effect of this change on the area?The area is multiplied by 16.The area is multiplied by 8.The area is multiplied by 4.The area is multiplied by 2.

Answers

The correct option is: The area is multiplied by 4.

The height of a rectangle is multiplied by 4. This change in the area is that the area is multiplied by 4. The rectangle is a geometrical shape that is defined as a four-sided polygon with four right angles. Rectangle has two pairs of parallel sides, so opposite sides are equal and the diagonals bisect each other at the centre of the rectangle.

The formula for the area of a rectangle is: Area of rectangle = Length × Width, or A = L × W as the height of a rectangle is multiplied by 4. Therefore, the new height of the rectangle is four times its initial value or h = 4h. The area of the rectangle can now be calculated using the above formula, which is:

New Area of rectangle = length x 4h = 4 × (length x h) = 4 x Area of rectangle

The effect of increasing the height of the rectangle by 4 times is that the area of the rectangle is multiplied by 4.

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The perpendicular bisector of FN is AB. What is the length of AN ?

Answers

The length of AN is equal to: C. 32 units.

What is a perpendicular bisector?

In Mathematics and Geometry, a perpendicular bisector can be defined as a type of line that bisects or divides a line segment exactly into two (2) equal halves and forms an angle that has a magnitude of 90 degrees at the point of intersection.

Based on the information provided about the triangles, we can logically deduce that the perpendicular bisector of FN is AB. Therefore, we can calculate the length of AN by equating the length of AN to the length of A-F as follows;

5r - 3 = r + 25

5r - r = 25 + 3

4r = 28

r = 28/4

r = 7.

For the length of AN, we have:

AN = r + 25

AN = 7 + 25

AN = 32 units.

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A man sells an article at rs 600 and makes a profit of 20%. Calculate it's profit percentage?

Answers

Answer:

720

Step-by-step explanation:

20% of 600 is 120, so add them together and you get 720

the dog eats 8 ounces of dog food each day his owner bought 28 pound bag at the 8 ounces cost $3.50 so how much did the owner spend for 28 bag​

Answers

Answer:

$196

Step-by-step explanation:

1 lb = 16oz

28 lbs x 16 = 448 ozs (in 28 lb bag)

448/8 = 56 (8 oz portions)

56 x $3.50= $196

Use the daily data for IBM below: RIBM is the log return of IBM adjusted closing prices. Is there evidence of volatility clustering using 15 lags? ret_ibm= diff(log(price_ibm)) nobs 714.000000 Mean 0.000187 Stdev 0.011466 Skewness -0.418588 Kurtosis 5.958068 Jarque - Bera Normalality Test X-squared: 1085.9541 P VALUE < 2.2e-16 Box-Ljung test data: ret_ibm X-squared = 16.355, df = 15, p-value = 0.3588 Box-Ljung test data: ret ibm 12 X-squared 39.655, df - 15, p-value -0.0005112 BOX-Ljung test data: relibm 2 X-squared - 39.655, df - 15, p-value = 0.0005112 Since the p-value>5% for the Box-Ljung Q test of returns we do not reject the null hypothesis and find no evidence of volatility clustering. Since the p-value>5% for the Box-Ljung Q test of returns we do not reject the null hypothesis and find evidence of volatility clustering. Since the p-value<5% for the Box-Ljung Q test of squared returns we reject the null hypothesis and find no evidence of volatility clustering. Since the p-value< 5% for the Box-Ljung Q test of squared returns we reject the null hypothesis and find evidence of volatility clustering.

Answers

The p-value for the Box-Ljung Q test of returns is greater than 5%, which means that we do not reject the null hypothesis and find no evidence of volatility clustering in the raw returns.

What is p value?

In statistics, p-value is a measure of the strength of evidence against the null hypothesis. It is defined as the probability of obtaining the observed results, or results more extreme, assuming that the null hypothesis is true.

The null hypothesis is a statement that assumes there is no significant difference or relationship between two groups or variables being compared. The alternative hypothesis is the statement that there is a significant difference or relationship.

Given by the question.

Based on the information provided, we can conclude that there is evidence of volatility clustering in the IBM data using 15 lags. This is indicated by the p-value being less than 5% for the Box-Ljung Q test of squared returns. Therefore, we reject the null hypothesis and find evidence of volatility clustering.

However, since the test is conducted on squared returns, it is the p-value for this test that is more relevant in assessing volatility clustering.

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Marissa's bill at the restaurant was $56.09. She left a tip of 20%.
What was the tip amount? Round your answer to the nearest
hundredth.

Answers

Answer:

$11.22

Step-by-step explanation:

20% of 56.09 = 1/5 of 56.09

Now, we divide 56.09 by 5 to get our answer which when rounded becomes 11.22.

Answer:

$11.22

Step-by-step explanation:

20% = 0.2

We Take

56.09 x 0.2 = $11.218

Round $11.218 will be $11.22

So, the tip amount is $11.22

=
Suppose that a new employee starts working at $7.32 per hour and receives a 4% raise each year. After time t, in years, his hourly wage is given by the equation y = $7.32(1.04). Find
the amount of time after which he will be earning $10.00 per hour.
After what amount of time will the employee be earning $10.00 per hour?
years (Round to the nearest tenth of a year as needed.)
HELP PLEASE

Answers

Using the equation [tex]y = $7.32(1.04)^t[/tex], the amount of time after which the employee will be earning $10.00 is about 9.64 years, or approximately 9 years and 8 months.

What is an equation?

A mathematical definition of an equation is a claim that two expressions are equal when they are joined by the equals sign ("=").

We can start by setting up the equation for the employee's hourly wage y after t years -

[tex]y = $7.32(1.04)^t[/tex]

We want to find the amount of time t after which the employee will be earning $10.00 per hour, so we can set y equal to 10 and solve for t -

[tex]10 = $7.32(1.04)^t[/tex]

Dividing both sides by $7.32, we get -

[tex]1.367 = 1.04^t[/tex]

Taking the natural logarithm of both sides, we get -

[tex]ln(1.367) = ln(1.04^t)[/tex]

Using the property of logarithms that [tex]ln(a^b) = b ln(a)[/tex], we can simplify the right-hand side -

ln(1.367) = t ln(1.04)

Dividing both sides by ln(1.04), we get -

t = ln(1.367)/ln(1.04) ≈ 9.64

Therefore, the employee will be earning $10.00 per hour after about 9.64 years.

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The hanger image below represents a balanced equation.


Write an equation to represent the image

HELP THIS IS DUE TODAY

Answers

Answer:

2 + r = 6

Step-by-step explanation:

2 + r = 6

r = 6 - 2 = 4

6 on the left balanced by 2 plus r on the right

3) What is the slope of the flagpole in the image shown below?

Answers

Step-by-step explanation:

it is completely vertical.

the slope is the ratio

y coordinate change / x coordinate change

when going from one point on the line to another.

but in such a case x is not changing at all. x is a constant for all y values.

so the slope is

y difference / 0

this is undefined (or in some ways described as infinity).

The slοpe οf the flagpοle in the figure is nοt defined.

What is the slοpe οf a line?Slοpe is the measure οf the precipitοusness οr steepness οf a line οr a functiοn graphBy fοrmula, it is calculated as y / xIf the line makes an angle A with the X-axis, then the trigοnοmetric tanA value gives the slοpe οf the line.

Here, the pοle is similar tο the Y-axis οf the graph.

Angle the pοle makes with Y-axis = 90 degree

( as it is vertically standing straight )

Thus, the slοpe οf the pοle

= [tex]tan90[/tex]

= not defined

Hence, the slope of the given flag pole is not defined.

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Complete question;

What is the slope of the flagpole in the image shown below? _________

The angle of elevation of the top of a flag-pole from a point on level ground is 30 degrees. From another point on the ground 20m nearer the flag-pole, the angle of elevation is 60 degrees. Calculate the height of the flag pole

Answers

Answer:

<b> <i>

Step-by-step explanation:

describe (x-bar) in words, in the context of the problem. state the distribution of (x-bar), including the expected value and standard error

Answers

(x-bar) refers to the sample means in statistics. It is the average of all the data values in a sample. It is calculated by dividing the sum of all the data values by the sample size.

The distribution of (x-bar) follows a normal distribution, and its expected value is equal to the population mean. The standard error of (x-bar) is calculated by dividing the population standard deviation by the square root of the sample size. It is used to estimate how much the sample mean varies from the population mean.

Sample mean (x-bar) is a statistical concept used to calculate the average of a sample, and standard error is a measure of the variability of the sample mean. The distribution of the sample mean is a normal distribution with a mean equal to the population mean and a standard deviation equal to the population standard deviation divided by the square root of the sample size.

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¿Cuales son las propiedades de la Sustracción de Números Racionales Decimales?

Answers

The following characteristics of racional decimal number abstraction apply: Conmutative property: The order of the remaining rational decimal numbers has no bearing on the operation's outcome,

Proprietary property: The racional decimal numbers may remain in various groups without affecting the operation's ultimate outcome, i.e., (a - b) - c = a - (b - c). Distributive property: Subtracting one racional decimal number from a sum of racional decimal numbers equals the sum of the subtractions of each one of them, or a - (b + c) = a - b - c. Neutral element: If a racional decimal number is left at zero, the outcome is the same number, i.e., a - 0 = a. Estas propiedades son útiles para simplificar y realizar cálculos más complejos con números racionales decimales.

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Victor spent $61 on some sandpaper for his model
cars. He bought 2 packages of the smallest-grain
sandpaper and spent the rest on the largest-grain
sandpaper. How many packages of the largest-
grain sandpaper did he buy?

Answers

Victor bought 10 packages of the largest-grain sandpaper.

What does "spent 50 balance 51" mean?

Total money spent (20+15+9+6) = 50; total money left over (30+15+6+0) = 51. Balance plus spent always equals 50, but balance added to balance does not always equal 50. So, it is always necessary to include simply the amount spent or the expenditure rather than the balance.

Thus, we know how much he spent:

2S + (61 - 2S) = 61 - S

$1 on sandpaper with the biggest grit. We can condense this phrase as follows:

61 - S = 61 - 2S

Adding S to both sides, we get:

S = 0

Then we know that he spent:

2L + Ly = 61

Spending money on sandpaper. Additionally, since he purchased two packages of the finest sandpaper, the price of those two packages is:2S = 2L

We can substitute 2L for 2S in the first equation:

2L + Ly = 61

Simplifying, we get:

2L + L(2/3)L = 61

Multiplying both sides by 3/2, we get:

3L² = 91.5

Taking the square root of both sides, we get:

L ≈ 5.27

determine how many packages of the coarsest sandpaper Victor purchased:

2L + Ly = 61

2(5.27) + 5.27y = 61

10.54 + 5.27y = 61

5.27y = 50.46

y ≈ 9.56

Rounding to the nearest whole number, we get:

y = 10

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Cake or ice cream????

Answers

Answer:

ICE CREAM

Step-by-step explanation:

Find the 8th term of the arithmetic sequence x + 1 x+1, 8 x − 3 8x−3, 15 x − 7 ,

Answers

Answer: 50x - 27

Step-by-step explanation:

To find the 8th term of the arithmetic sequence, we need to first find the common difference between consecutive terms:

Common difference (d) = second term - first term

d = (8x - 3) - (x + 1)

d = 7x - 4

Now, we can use the formula to find the nth term of an arithmetic sequence:

an = a1 + (n - 1)d

where a1 is the first term, d is the common difference, and n is the term number we want to find.

Plugging in the values, we get:

a8 = (x + 1) + (8 - 1)(7x - 4)

a8 = x + 1 + 7(7x - 4)

a8 = x + 1 + 49x - 28

a8 = 50x - 27

Therefore, the 8th term of the arithmetic sequence x + 1, 8x - 3, 15x - 7 is 50x - 27.

list the sides of ΔRST in ascending order
m∠R=2x+11°, m∠S=3x+23°, m∠T=x+42°
pls help

Answers

Answer:

Step-by-step explanation:

[tex]\angle R+\angle S+ \angle T =180[/tex]       (angle sum of a triangle is 180°)

[tex]2x+11+3x+23+x+42=180[/tex]

                              [tex]6x+76=180[/tex]

                                      [tex]6x=104[/tex]

                                        [tex]x=17.667[/tex]

[tex]\text{So we get: } \angle R= 46.33,\angle S=76,\angle T=59.667[/tex]

In ascending order:

   [tex]\angle R= 46.33,\angle T=59.667,\angle S=76[/tex]

Center of Mass Suppose R is the region bounded by the graphs of f(x) = = sin x and g(x) = cos x over the interval [**, ]. Find the center of mass of the region. Assume that the region has a constant density d. (x,y) = Note: your answer should be an ordered pair.

Answers

The center of mass of the region R, bounded by the graphs of

[tex]f(x) = sin x[/tex] and [tex]g(x) = cos x[/tex]over the interval [**, ], is (x,y) = (π/4, 0.8540). This can be calculated by taking the area-weighted average of the region's two boundaries.

The area of R can be calculated using the formula: A = [tex]∫f(x) - g(x)dx.[/tex] Then, the x-coordinate of the center of mass is calculated using the formula: x = [tex](1/A) * ∫x * [f(x) - g(x)]dx.[/tex]

Finally, the y-coordinate of the center of mass is calculated using the formula:

y = [tex](1/A) * ∫y * [f(x) - g(x)]dx[/tex]. With the given boundary equations and constant density d, the center of mass can be determined to be (x,y) = (π/4, 0.8540).

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Solve: 3√x-√9x-17 =1 ​

Answers

The solution to the equation (3√x) - √(9x-17) = 1 is x = 9.

What is the solution to the given equation?

Given the equation in the question (3√x) - √(9x-17) = 1.

To solve for x in the given equation:

(3√x) - √(9x-17) = 1

We can start by isolating the square root term on one side of the equation. Adding √(9x - 17) to both sides, we get:

(3√x) = √(9x - 17) + 1

Squaring both sides of the equation, we get:

(3√x)² = (√(9x - 17) + 1)²

9x = -16 + 2√(9x - 17) + 9x

Solve for 2√(9x - 17)

2√(9x - 17) = 16

36x - 68 = 256

Add 68 to both sides

36x - 68 + 68 = 256 + 68

36x = 324

x = 324/36

x = 9

Therefore, the solution is x = 9.

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Find the value of x.

Answers

The calculated value of x in the similar triangles is 14 and it is calculated from the ratio 10 : x = 20 : 28

Calculating the value of x in the triangle

Given the triangle

The triangle is a superset of similar triangles

So, we have the following equivalent ratio that can be used to determine teh value of x

The set up of teh ratio is

10 : x = 10 + 10 : 28

Evaluating the like terms, we get

10 : x = 20 : 28

So, we have

x/10 = 28/20

Multiply both sides by 10

x = 14

Hence, the value of x is 14

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Aidan needs 15 liters of cleaning solution. He can buy a 2 gallon jug

Answers

Aiden would need to buy one 4-gallon jug, which would give him 15.14 liters.

First, we need to convert the gallons to liters to have a consistent unit of measurement:

2 gallons = 7.57 liters

3 gallons = 11.36 liters

4 gallons = 15.14 liters

7 gallons = 26.50 liters

Next, we can calculate the cost per liter for each jug:

2-gallon jug: $4.28 / 7.57 liters = $0.57 per liter

3-gallon jug: $5.92 / 11.36 liters = $0.52 per liter

4-gallon jug: $6.56 / 15.14 liters = $0.43 per liter

7-gallon jug: $12.98 / 26.50 liters = $0.49 per liter

Based on these calculations, the cheapest option per liter is the 4-gallon jug, which costs $0.43 per liter.

To get at least 15 liters of cleaning solution, Aiden would need to buy one 4-gallon jug, which would give him 15.14 liters.

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Your question is incomplete. Your complete question is:

Aiden needs 15 liters of cleaning solution. He can buy a 2-gallon jug ($4.28) a 3-gallon jug ($5.92) a 4-gallon jug ($6.56) a 7-gallon jug ($12.98). Which jug should he purchase to get at least 15 liters of cleaning solution and spend the least amount of money?

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