Help me solve the problem of this

Answer:

as: 4/3 * (2 * 1/3)

Step-by-step explanation:

Note: parentheses, 2 and 1/3 are being multiplied together first, before being multiplied by 4/3.

Answer: To calculate the percentage decrease in the number of available seats, we can use the following formula:

(original value - new value) / original value * 100

In this case, the original value is 125 (the number of available seats before the reduction) and the new value is 93 (the number of available seats after the reduction). Plugging these values into the formula:

(125 - 93) / 125 * 100 = 32 / 125 * 100 = 0.256 * 100 = 25.6

So, there is a 25.6% decrease in the number of available seats.

Step-by-step explanation:

This system of equations has infinitely many solutions.

An equation is a mathematical statement that two expressions are equal. It can be written using numbers, symbols, and mathematical operations such as addition, subtraction, multiplication, and division. Equations can also be used to describe relationships between known values, like a line of best fit for data points. Equations are used in many areas of mathematics, such as geometry and calculus, to help solve problems or to describe physical phenomena.

This can be determined by looking at the coefficients of the variables. Since the coefficients of x in each equation are the same and the coefficients of y in each equation are different, this indicates that the equations are not equivalent and therefore, have infinitely many solutions.

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Answer:

Out of all possible choices you've shown, I'd say the best answer would be D

Step-by-step explanation:

Answer:

4

Step-by-step explanation

for a rectangle you have to lengths and 2 width so you will have to have 2w+2 and then times 4w+3 which should equal 56

Answer:

$63

Step-by-step explanation:

12-5=7

9*7= 63

Answer:

$63 Is the answer.

Step-by-step explanation:

$12 - $5 = $7
$7 x $9 = $63

Changing the compound inequality x > −3 and x < 3 from “and” to “or” will change the solution set

A sentence having two inequality statements connected by the words "or" or "and" is referred to as a compound inequality.

The conjunction "and" denotes the simultaneous truth of both statements in the compound sentence. It is when the solution sets for the various statements cross over or intersect.

The conjunction "or" means that the entire compound sentence is true as long as either statement is true. When "or" appears in a compound inequality, a disjunction is created.

Hence changing “and” to “or” changes the solution set

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Answer:

-1

Step-by-step explanation:

Since -1 to a power will either be negative or postive 1, looking at whether the exponent is odd or even can determine if the answer is -1 or 0 (x + x^2 for instance  equals 0 but x + x^2 + x^3 is -1)

[tex]\it (-1)^{2k}=1;\ \ \ (-1)^{2k+1}=-1,\ \ \forall\ k \in\mathbb{N}\\ \\ S=-1+(1-1)+(1-1)+\ ...\ (1-1)=-1[/tex]

Answer:

Step-by-step explanation:

The table that represents a linear function is ob x 0 1 2 3 y 0149

The value of x, which is the measure of the remaining angle, is equal to 180° - 70° - 30°, or 80°.

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The curvature of r(t) at the point (3,1,1) is 2/3

The curvature of a space curve is given by the formula:

k(t) = |r'(t) x r''(t)| / |r'(t)|^3 where,

r(t) = (3t, t^2, t^3)

r'(t) = (3, 2t, 3t^2)

r''(t) = (0, 2, 6t)

So we can substitute these in the above formula:

k(t) = |(3, 2t, 3t^2) x (0, 2, 6t)| / |(3, 2t, 3t^2)|^3

By cross-product, we get

k(t) = |(6t, -6, -6t^2)| / |(3, 2t, 3t^2)|^3

Now substituting the point (3,1,1) we get

k(t) = |(6(1), -6, -6(1)^2)| / |(3, 2(1), 3(1)^2)|^3 = 6/9 = 2/3

So the curvature of r(t) at the point (3,1,1) is 2/3

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Variance and standard deviation are two common measures of spread in statistics. The standard deviation is √30.25 = 5.5.

OB. s² = The sample variance is a measure of the spread of a set of data. To calculate the sample variance, the sum of the squares of the differences between each data point and the mean is divided by the number of data points minus one. In this case, the mean of the data set is (22+15+4+7+9)/5 = 11.

The differences between each data point and the mean are 11-22=-11, 11-15=-4, 11-4=7, 11-7=4, and 11-9=2. The sum of the squares of these differences is (-11)² + (-4)² + 7² + 4² + 2² = 121.

Dividing this by the number of data points minus one, which is 5-1=4, gives us a sample variance of 121/4 = 30.25.

The standard deviation is the square root of the sample variance, so in this case, the standard deviation is √30.25 = 5.5.

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Therefore , the equation problem is  15 fraction of 72 is the number 480. The expressions published here on left & right sides appear to be equivalent in their relationship.

Mathematical statements with two algebraic in the middle and also the means total (=) sign from either side are called equations. Variables, contractors, diffusion coefficients, terms, and the equatable to sign are just a few of the elements that compose an equation. The "=" sign but also terms both on sides are always necessary when writing an equation.

Here,

Using the value A = 480 as a guide

Let y become the ratio of the number, or the opposite.

It is equivalent to 72%.

The equation that results is

72 is equivalent to x% of 480.

When the expression is condensed, we get

72 = y % x 480

72 = ( y/100 ) x 480

Divide each side by 480 to obtain

y/100 = 0.15

Multiply by 100 on each side to arrive at

y = 15

Consequently, the value is y = 15.

Therefore, out of 480, 72 represents 15%.

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The angle measure used to create each section of the circle graph are (a) 90  (2) 195  (3) 72

The given parameters that will help us to find the angles are:

The measure of the angles are:

1)  number that use train =125/500 * 360 = 90⁰

2) Degree of people airplane is 275/500 *360 = 198⁰

3) Number that use boat = 100/500 * 360 = 72⁰

In conclusion the measurement of the angles for the three means are 90 degrees, 198 degree and 72 degrees respectively

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The probability of getting 2 reds will be 13.3%.

The probability of a red and a yellow will be 22.2%.

Probability simply means the chance that a particular thing or event will happen. It is the occurence of likely events. It is simply the area of mathematics that deals with the numerical estimates of the chance that an event will occur or that a particular statement is true

From the information the bag contains 1 green, 4 red, and 5 yellow balls. Two balls, are selected at random.

The probability of getting 2 reds will be:

= 4/10 × 3/9

= 12/90

= 13.3%

The probability of a red and a yellow will be:

= 4/10 × 5/9

= 20/90

= 22.2%

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The required sum of the 7 terms in the geometric sequence is 16.6.

Geometric progression is a sequence of series whose ratio with adjacent values remains the same.

Here,
Given geometric series,
10, 4, 8/5 . . . . . .  

Common ratio = 4 / 10 = 2/5

first term = 10

the sum of the first seven terms is given as,
S₇ = a[r⁶ - 1] / r - 1
S₇ = 10[{2/5}⁶ - 1] / {2/5 - 1}
S₇ = 16.6

Thus, the required sum of the 7 terms in the geometric sequence is 16.6.

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Therefore , the solution of the given problem of equation comes out to be the vertex (h,k) is  (3,3).

An expression is a mathematical representation of two equal variables , one on each end of a "equals" sign. Typical issues can be resolved using equations. We commonly look to pre algebra for solutions to problems in real life. The fundamental concepts of mathematics are covered in pre-algebra lessons.

Here,

use the vertex form y=a(x-h)2+k to get the values of a, h, and k.

Given : a =1

h=3

k=−3

Discover the vertex (h,k) (3,3).

So, we discovered the vertex of given equation.

Therefore , the solution of the given problem of equation comes out to be the vertex (h,k) is  (3,3).

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A graph which represents the system of inequalities for this scenario include the following: graph B.

In order to write a system of linear inequalities to describe this situation, we would assign variables to the number of developed acres and number of open acres, and then translate the word problem into algebraic equation as follows:

Since a planned community must have at least 4 acres of developed and open space, a linear inequality which represents this situation is given by;

x + y ≥ 4

Additionally, since the difference between the number of developed acres and the number of open acres can be no more than 1, we have;

y – x ≤ 1

Next, we would use an online graphing calculator to graphically solve the system of linear inequalities. Therefore, the required solution for the given system of linear inequalities is the shaded area below the solid line, which is given by graph B.

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On solving the provided question, we can say that from the graphs the function = [tex]f(x) = 1/2 (3)^x[/tex], it represents a half parabola

The subject of mathematics includes quantities and their variations, equations and related structures, shapes and their locations, and places where they can be found. The term "function" refers to the relationship between a set of inputs, each of which has an associated output. A connection between inputs and outputs in which each input leads to a single, distinct result is known as a function. Each function is given a domain and a codomain, or scope. Usually, f is used to denote functions (x). input is an x. There are four main types of functions accessible. based on the following factors: on functions, one-to-one functions, many-to-one functions, inside functions, and on functions.

from the graphs

the function = [tex]f(x) = 1/2 (3)^x[/tex]

it represents a half parabola

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Answer:

[tex]y = \frac{1}{10}x - 1[/tex]

Step-by-step explanation:

We are given the equation x - 10y = 10.

We want to write it in slope-intercept form.

Slope-intercept form is given as y=mx+b, where m is the slope and b is the value of y at the y intercept, hence the name.

Notice how in slope-intercept form, only y is on one side.

This is because the equation is basically solved for y in slope-intercept form.

So, we should solve the equation for y.

Start by subtracting x from both sides.

x - 10y = 10

-x           -x

_______________

-10y = -x + 10

Now, divide both sides by -10 to isolate y.

-10y = -x + 10

÷10    ÷10

_______________

[tex]y = \frac{1}{10}x - 1[/tex]

The lower bound on the probability that the plant will fill between 9,000 and 11,000 cans on a particular day is at least 1 - 1/10 = 9/10.

What is probability ?

A probability is a number that reflects the chance or likelihood that a particular event will occur.

(a) P(X > 11,000) ≤ E[X] / 11,000

Where X is the random variable representing the number of cans filled in a day, and E[X] = 1,000 is the expected value.

So, P(X > 11,000) ≤ 1,000 / 11,000 = 1/11

(b) P(|X - E[X]| ≥ kσ) ≤ 1/k^2

Where X is the random variable representing the number of cans filled in a day, E[X] = 1,000 is the expected value, and σ is the standard

As we know that for any random variable X, E[X^2] >= (E[X])^2

therefore Var(X) = E[X^2] - (E[X])^2 >= 0.

so the standard deviation of X is

σ = √(Var(X)) = √(1000) = 31.62

We can choose k = (11000-9000)/(2*31.62) = 3.16

so P(|X - E[X]| ≥ 3.16σ) = P(|X - 1000| ≥ 10000) ≤ 1/3.16^2= 1/10

Therefore, the lower bound on the probability that the plant will fill between 9,000 and 11,000 cans on a particular day is at least 1 - 1/10 = 9/10.

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The volume, V of box as a function of x that is V(x) = 4x³ - 64x² + 240x , where x is side of square cut out from each corner.

We have, a box open from top and constituted from rectugular pieces of dimensions 12 inches and 20 inches. As we know, The volume of a box is V

= width (w) × height(h) ×length (l).

Now, equal squares of side x are cut from each corner of box and folded. We draw our box it looks like as seen above figure. We will notice here that the height will be x and that the height and length depend on x. Length of box, l = 20 - 2x and

Width of box, w = 12 - 2x

So the volume is, V(x) = w×h×l

= (12 - 2x)(x)(20 - 2x)

Expand it for further calculation,

V(x) = ( 12 - 2x ) ( 20x - 2x²)

V(x) = 4x³ - 64x² + 240x

Hence, the required volume function is V(x) = 4x³ - 64x² + 240x.

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The volume, V, of a box is defined as V(x) = 4x3 - 64x2 + 240x.

We have a box that opens from the top and is made of rectangular components that are 12 inches and 20 inches in length. As is common knowledge, a box's volume is V.

V = height (h) + width (w) + length (l).

From each corner of the box, equal squares of side x are now cut and folded. We create a box that resembles the image above. Here, we'll see that the height is x and that the relationship between height and length is x-dependent.

Box length, l = 20 - 2x, and

Box width, w = 12 - 2x

Thus, V is the volume (x) = W * H * I

V(x) = (12 - 2x) (x) (20 - 2x)

V(x) = ( 12 - 2x ) ( 20x - 2x²)

V(x) = 240x - 24x² - 40x² -4x³

V(x) = 4x³ - 64x² + 240x

Hence, the required volume function is V(x) = 4x³ - 64x² + 240x.

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Answer:

7/10

Step-by-step explanation:

steps linked below

The greatest error that can be tolerated in the measurement of expressed as [tex]\frac{1}{3}%h[/tex]%h.

The given data is the height and radius of a right circular cylinder are equal.

[tex]$$\begin{aligned}V & =\pi h^3 \\\frac{d V}{d h} & =3 \pi h^2 \\d V & =3 \pi h^2 d h\end{aligned}$$[/tex]

A differentiable function is a function in one variable in calculus such that its derivative exists at each point in its entire domain. The tangent line to the graph of a differentiable function is always non-vertical at each interior point in its domain.

A differentiable function does not have any break, cusp, or angle.

Find the derivative of V in terms of h. Then multiply both sides by dh.

The maximum percentage error of the volume is 1%.

[tex]$$\begin{aligned}0.01 \pi h^3 & =3 \pi h^2 d h \\\frac{0.01}{3} h & =d h \\\frac{1}{300} h & =d h\end{aligned}$$[/tex]

The maximum percentage error of the volume is 1% which means

dV=0.01=0.01[tex]\pi[/tex][tex]h^{3}[/tex]. Substitute this into the equation and then solve for

dh.

The maximum error in the height is then [tex]\frac{1}{300}h=\frac{1}{3}[/tex]%h.

Therefore, the greatest error that can be tolerated in the measurement of expressed as [tex]\frac{1}{3}%h[/tex]%h

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The given function is continuous over the domain [-3,-2].

If a function f is continuous throughout its whole domain, it is referred to as a continuous function. A point in the domain of a function f at which the function is not continuous is known as the point of discontinuity of the function. is a perpetual function. The only non-zero number in the domain is 2.

Every polynomial function on R and every rational function on its domain are both continuous. Proof. On R, the identity function g(x) = x and the constant function f(x) = 1 are both continuous.

Either a discrete or continuous domain is possible. A discrete function would have x-values that can stand on their own with no surrounding interval.

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The given two lines are parallel to each other. The correct answer would be an option (A).

The slope of the line is defined as the gradient of the line. It is denoted by m

Slope m = (y₂ - y₁)/(x₂ -x₁ )

The lines will be parallel if they have the same slope and they will be perpendicular if the product of the slopes of the two lines is -1.

The slope of the first line can be found using the formula:

m₁ = (-2 - (-5))/(5-9) = -3/4

The slope of the second line can be found using the formula:

m₂ = (1 - (-2))/ (-8 - (-4)) = -3/4

They have identical slope, so the lines will be parallel.

Hence, the given two lines are parallel to each other.

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Option A is the dot plots which would most likely have the highest standard

deviation.

This is referred to as the measure of the amount of variation or dispersion of a set of values and the one with a higher standard deviation will usually have its average points farther away from the mean which is located at the center while those with a lower  standard deviation will usually have its average points closer to the mean.

From the options provided , option A has a lot of points on 2 and 14 which are further way from the center (mean) and is therefore the reason why it was chosen as the correct choice.

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The quotient of the given answer is 0.

The divisor is the integer that divides a given number. The quotient is the sum that we arrive at as a result. The residual is the number that the divisor leaves after partially dividing the original integer.

Any number of equal parts is represented by a fraction, which also represents a portion of a whole. A fraction, such as one-half, eight-fifths, or three-quarters, indicates how many components of a particular size there are when stated in ordinary English.

On dividing 49 by 679 we will get quotient 0 and remainder 49

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