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What value of x would make these two solids similar?
A. X=27
B. X=31
C. X=30
D. X=7.75

The area under the graph using the first two and then four rectangles = 0.221 unit square

According to the graphs given in the below figure,

Given in the question,

f(x) = [tex]x^{3}[/tex] when x = 0 and x = 1

The first rectangle of the first graph goes from 0 to 0 .6,

Width = 0.6

Height measured from the middle point = 0.3

f( 0.3) = [tex]( 0.3)^{3}[/tex]

f(0.3) = 0.027 units.

Area of first rectangle = 0.6 x 0.027 = 0.0162 unit square

Now taking the second rectangle of the first part,

It is going from 0.6 to 1.0,

Width = 0.4 units

height = 0.8 units

Height measured from the middle-

f(0.8) = [tex](0.8)^{3}[/tex] = 0.512

Area of the second part of the rectangle = 0.512 x 0.4

= 0.2048 unit square

Final area = 0.2048 + 0.0162 = 0.221 square units

Therefore, the same could be done with the second part rectangle of 4

For the given first part of four rectangles = width = 0.6 units and height = 0.1 unit

so f(0.1) = [tex]0.1^{3}[/tex]

= 0.001 units

Therefore, the area under the graph using the first two and then four rectangles = 0.221 unit square

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Answer:

C is the answer

Step-by-step explanation:

Stem and leaf plots were also confusing to me at first, but once you understand they are actually easy!

Look at the first column where it says 2,3,4,5 and 6. Those are the tens place. The columns next to it with 2,3,8,9,etc are the ones place. For example, the first column has two, so we know that the number has a two in the tens place.

2_

Look at the numbers next to it, there's 2,3, and 8.

Since there's 3 numbers, that means that there are three numbers that have a two in the ones place. 2,3 and 8 are the numbers that go in the ones place.

So in the graph there is 22,23 and 28.

If you look at your choices, you can find all of them except 38, since on the row with the 3, next to it is the number 9 and not the number 8.

Step-by-step explanation:

[tex] - \frac{x}{2} - 1 = (y - 3) {}^{2} [/tex]

[tex] - 0.5(x + 2) = (y - 3) {}^{2} [/tex]

A parabola with a vertex (-2,3)

For the given matrix the additive inverse property is shown.

What is additive inverse of matrix?

The matrix that is created by changing the sign of each matrix element is known as the additive inverse. -(-A)=A is the notation for the additive inverse of the matrix A.

Rows and columns serve as a measure of a matrix's dimensions. Given that it has three rows and three columns, for instance, the matrix below has a dimension of 3 x 3. Three by three can be read off as the matrix's dimension. We consequently obtain the additive inverse of the matrix

M = - M.

Consider the given matrix,

[tex]\left[\begin{array}{ccc}-6&15&-2\\9&0&-3\end{array}\right] + \left[\begin{array}{ccc}6&-15&2\\-9&0&3\end{array}\right] = \left[\begin{array}{ccc}0&0&0\\0&0&0\end{array}\right][/tex]

Here each element in first matrix is negative of the element of second matrix.

That is each element is inverse of the element in second matrix.

And the addition of elements is 0.

Hence, for the given matrix the additive inverse property is shown.

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A vertex with degree 2 in a graph has an edge that loops around itself. The graph is therefore a cycle graph.

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Value of composite function (f∘g)(1) and (g∘f)(1) are 2 , 5 respectively.

What is composite function?

Function composition is associate operation ∘ that takes 2 performs f and g, and produces a perform h = g ∘ f such h(x) = g. during this operation, the perform g is applied to the results of applying the perform f to x

Main body:

according to question;

f(x) = 2x³

g(x) = 3x³ -2

we need to find composite function:

f o g (x) = 2(3x³-2)

{to find composite function , we replace one function as value of x in another}

f o g(x) = 6x³ -4

           = 6x³ -4

f o g(1) = 6*1 -

          = 2

g o f(x) = 3(2x³)-2

g o f(x) = 6x³ -2

           = 6x -2

g o f(1) = 6*1 -2

           = 5

Hence value of (f∘g)(1) and (g∘f)(1) are 2 , 5 respectively.

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The probability that the sample's Republican percentage will be higher than 44% is 0.089.

Probability is a metric used to express the possibility or chance that a particular event will occur.

Probabilities can be expressed as fractions from 0 to 1, as well as percentages from 0% to 100%.

To determine the probability of a sample proportion, the normal probability is used as the z-test statistic of one sample proportion.

When the sample size is big, the z-test statistic, a normal test statistic, is employed.

So, the probability will be:

We know that the sample size is n = 488 and the proportion is p = 0.41.

Now, obtain P(p > 0.44) as follows:

[tex]\begin{aligned}& P(\hat{p} > 0.44)=1-P\left(\frac{\hat{p}-p}{\sqrt{\frac{p(1-p)}{n}}} \leq \frac{0.44-p}{\sqrt{\frac{p(1-p)}{n}}}\right) \\& P(\hat{p} > 0.44)=1-P\left(Z \leq \frac{0.44-0.41}{\sqrt{\frac{0.41(1-0.41)}{488}}}\right) \\& P(\hat{p} > 0.44)=1-P(Z \leq 1.347)\end{aligned}[/tex]

Excel function for the p-value:

P(p > 0.44) = 1 - 0.911

P(p > 0.44) = 0.089

Therefore, the probability that the sample's Republican percentage will be higher than 44% is 0.089.

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The rate of change of the function that is defined by the table:

X: 2 4 6 8 10

Y: 4 8 12 16 20

is r = 2

For a function with two known points (x₁, y₁) and (x₂, y₂), the rate of change between these two points is written as:

r = ( y₂ - y₁)/(x₂ - x₁)

Here we have the table that defines a function:

X: 2 4 6 8 10

Y: 4 8 12 16 20

Here we can use any pair of two points on the table, for example, if we use the first pair and last pair:

(2, 4) and (10, 20)

The rate is:

r = (20 - 4)/(10 - 2) = 16/8 = 2

If we use the first two pairs (2, 4) and (4, 8) we get:

r = (8 - 4)/(4 - 2) = 4/2 = 2

So the rate of change of the function is r = 2.

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Answer: You Like Big Black Men and You love them dancing on you

Step-by-step explanation:

I have your search history ;)

The system of inequalities can LaShonda use to find the number of tickets she can buy will be;

⇒ x + y ≤ 25

⇒ 22.50x + 17.50y < 400

A relation by which we can compare two or more mathematical expression is called an inequality.

Given that;

She wants to have at least 25 tickets. Each adult ticket costs $22.50 and each child ticket costs $17.50.

LaShonda wants to spend no more than $400.

Now,

Let the number of adult tickets = x

And, The number of child tickets = y

Here, She wants to have at least 25 tickets.

So, We get;

⇒ x + y ≤ 25

And, Each adult ticket costs $22.50 and each child ticket costs $17.50.

LaShonda wants to spend no more than $400.

So, We get;

⇒ 22.50x + 17.50y < 400

Thus, The system of inequalities can LaShonda use to find the number of tickets she can buy are;

⇒ x + y ≤ 25

⇒ 22.50x + 17.50y < 400

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Answer:

it will take rahim 16 months

Step-by-step explanation:

6:4:2

3000÷12=250

1500:1000:500

20% 100

100×16=1600

The ratio shows how many times one value is contained in another value.

The number of top dogs is 192.

The ratio shows how many times one value is contained in another value.

Example:

There are 3 apples and 2 oranges in a basket.

The ratio of apples to oranges is 3:2 or 3/2.

We have,

The ratio of top dogs to fat cats was 24 to 19.

if they were 152 fat cats.

This means,

Number of top dogs = 24x

Number of fat cats = 19x

Now,

Number of fat cats = 152

This means,

152 = 19x

x = 8

Now,

Number of top dogs = 24x

= 24x

= 24 x 8

= 192

Thus,

The number of top dogs is 192.

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Answer:

0,02

Step-by-step explanation:

i got it correct

The set of scale factors that would produce a contraction under a dilation of the original image are:

B. -0.5

C. 0.5

A scale factor can be defined as the ratio of two corresponding length of sides or diameter in two similar geometric figures such as equilateral triangles, quadrilaterals, and other types of polygons.

In Mathematics, the following rules are applied to interpret and understand the dilation of a geometric figure:

For a contraction under a dilation of the original image, the scale factor (k) must either be negative or less than one (1). Therefore, the required values are -0.5 and 0.5 respectively.

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The probability that their mean pulse rate is less than 80 beats per minute is of:

0.7389 = 73.89%.

The z-score of a measure X of a variable that has mean symbolized by [tex]\mu[/tex] and standard deviation symbolized by [tex]\sigma[/tex] is obtained by the rule presented as follows:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

The parameters for this problem are given as follows:

[tex]\mu = 76, \sigma = 12.5, n = 4, s = \frac{12.5}{\sqrt{4}} = 6.25[/tex]

The probability that their mean pulse rate is less than 80 beats per minute is the p-value of Z when X = 80, hence:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

By the Central Limit Theorem:

[tex]Z = \frac{X - \mu}{s}[/tex]

Z = (80 - 76)/6.25

Z = 0.64

Z = 0.64 has a p-value of 0.7389.

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Answer:

9.22 minutes

Step-by-step explanation:

You could use the form y=mx + b to find this equation

y will represent the total liters

x will represent the total number of minutes

b will represent the initial number of liters in the beginning

1. Plug 194 in for y, plug 9 in for m, put 111 in place of b

The equation should look be:  [tex]194 = 9x + 111[/tex]

2. Solve the equation

3. Subtract 111 on both sides. The equation would now be:  [tex]83 = 9x[/tex]

4. Divide both sides by 9 (to get x by itself). [tex]\frac{83}{9} = 9.22222222[/tex]

5. Round to the nearest hundredth place to get 9. 22 minutes

Answer:

11/9

Step-by-step explanation:

If this is an addition question then this is your answer.

Answer:

0.39, 0.388, 38.38%, 3/8

Step-by-step explanation:

Answer:

8a + 3a^2 + 8

1.6 seconds. The ball will hit the canopy after 1.58 seconds or -1.58 seconds. Since the time cannot be negative, the ball will hit the canopy after 1.58 seconds.

To find the time it takes for the ball to hit the canopy, we need to solve the equation h(t) = 12 for t.

The given equation for h(t) is h(t) = -16t^2 + 52, so we can substitute this into the equation h(t) = 12 to get:

12 = -16t^2 + 52

To solve this equation, we can move all the terms to one side of the equation to get:

-16t^2 + 40 = 0

We can then divide both sides of the equation by -16 to get:

t^2 - 2.5 = 0

We can then use the quadratic formula to solve for t:

t = +/- sqrt(2.5)

t = +/- 1.58

Thus, the ball will hit the canopy after 1.58 seconds or -1.58 seconds. Since the time cannot be negative, the ball will hit the canopy after 1.58 seconds.

Rounding this answer to the nearest tenth gives us 1.6 seconds, so the correct answer is 1.6 seconds.

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The probability of the defective items is given as 0.015.

Given that,
A production line estimates that 1.50% of the items it produces is defective. In a package containing 200 items,

Probability can be defined as the ratio of favorable outcomes to the total number of events.

here,
Number of the item = 200
1.5% of the item is defective, = 0.015 [200]
Probability of the defective item = 0.015[200] / 200 = 0.015

Thus, the probability of the defective items is given as 0.015.

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Answer:

  (a) (1, -3)

  (b) (2, -2)

Step-by-step explanation:

You want to identify two points on the line through (3, -1) that has a y-intercept of -4.

Graphing the line and points is suggested. The attached shows that graph, and identifies the two points on the line as ...

  (1, -3) and (2, -2)

__

Additional comment

The equation of the line is x-y=4, so you can tell if the points fall on the line by seeing if they have that difference.

If a sum of $500 were shared among a group of people in the following ratios,

a) 6:4 then, 6x = 300 and 4x = 200.

b) 1:4:5 then, x = 50 , 4x = 200 and 5x = 250.

c) 1 : 8 : 1 then, x =50 , 8x = 400 and x = 50

d) 10 : 5: 4: 1 then, 10x = 250 , 5x = 125, 4x = 100, x = 25.

What is ratio?

a) 6:4

Let it be 6x , 4x

6x + 4x = 500

10x = 500

x = 50

Then, 6x = 300 and 4x = 200.

b) 1:4:5

Let be x, 4x, 5x

x + 4x + 5x = 500

10x = 500

x = 50.

Then x = 50 , 4x = 200 and 5x = 250.

c) 1 : 8 : 1

x + 8x + x =500

10x = 500

x = 50

Then, x =50 , 8x = 400 and x = 50

d) 10 : 5: 4: 1

10x + 5x + 4x + x = 500

20x = 500

x = 25

Then, 10x = 250 , 5x = 125, 4x = 100, x = 25.

Hence, If a sum of $500 were shared among a group of people in the following ratios,

a) 6:4 then, 6x = 300 and 4x = 200.

b) 1:4:5 then, x = 50 , 4x = 200 and 5x = 250.

c) 1 : 8 : 1 then, x =50 , 8x = 400 and x = 50

d) 10 : 5: 4: 1 then, 10x = 250 , 5x = 125, 4x = 100, x = 25.

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The area of the figures is shown:

Rectangle A: 54 units²

Rectangle C: 21 units²

Triangle B: 3 units²

The measurement that expresses the size of a region on a plane or curved surface is called an area.

Surface area refers to the area of an open surface or the boundary of a three-dimensional object, whereas the area of a plane region or plane area refers to the area of a form or planar lamina.

The area of rectangle A:

Area = l*b

Area = 9*6

Area = 54 units²

Area of rectangle C:

Area = l*b

Area = 3*7

Area = 21 units²

Area of triangle B:

Area = 1/2 * b * h

Area = 1/2 * 3 * 2

Area = 1 * 3

Area = 3 units²

Therefore, the area of the figures is shown:

Rectangle A: 54 units²

Rectangle C: 21 units²

Triangle B: 3 units²

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The value of p pennies, n nickels and twice as many quarters as pennies is (51p + 5n) cents or  $(51p + 5n)/100.

What is an expression?

Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a statement. It's possible to multiply, divide, add, or subtract with this mathematical operation. Expressions have the following structure: (Number/variable, Math Operator, Number/variable).

Given that you have p number of coins of pennies, n number of coins of nickels and  twice as many quarters as pennies.

Thus the number of coins of quarters is 2p.

The value of penny, nickel, and quarter are

1 penny = 1 cent

1 nickel = 5 cents

1 quarter = 25 cents

The value of p number of pennies is p cents.

The value of n number of nickels is (n×5) =5n cents.

The value of 2p number of quarter is (2p × 25) = 50p cent.

The total value is p + 5n + 50p = (51p + 5n) cents

Divide 51p + 5n by 100 to convert it into dollar:

(51p + 5n) cents = $(51p + 5n)/100

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The mowing takes hours hence, the best rate is hours per lawn. Hence the correct option is option 1. It can be solved by rate of work.

The rate lawns per employee gives the lawns mowed by one employee.

The rate hours per lawn gives the number of hours required to mow one lawn.

The rate employee per lawn gives how many employees are required to mow one lawn.

The rate lawns per day gives the number of lawn mow in one day.

Since the mowing takes hours hence, the best rate is hours per lawn. Hence the correct option is option 1.

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The expected value of the game, given the amounts to be made when a number is rolled, is  $ 1.25

First, find the probability of rolling an 8 :
= Number of eights / Number of sides

= 1 / 8

= 0.125

The the probability of rolling an odd number :

= Odd numbers from 1 to 8 / Number of sides

= 4 / 8

= 0.5

The expected value of the game is:

= ( Probability of getting an 8 x Amount if you get 8 ) + (  Probability of getting an odd x Amount if you get an odd ) + (  Probability of not getting an 8 or odd x Loss )

=  ( 0.125 x 9 ) + ( 0.5 x 1 ) + ((1 - 0.125 - 0.5) x  -1)

= $ 1.25

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By using the concept of unitary method, it can be calculated that

a) For 350 blocks of cement, [tex]8\frac{3}{4}[/tex] bags of mortar are required

b) For 50 blocks of cement, [tex]1\frac{1}{4}[/tex] bags of mortar are required

What is unitary method?

Unitary method is the process in which the value of single unit can be calculated from the value of multiple unit and the value of multiple unit can be calculated from the value of single unit. Sometimes Value of single unit can be less than the value of multiple unit. For example - The relation between the cost of a commodity and the quantity of the commodity

Sometimes Value of single unit can be more than the value of multiple unit. For example - The relation between the number of men and the number of days taken by those men to do a certain job.

Here, unitary method will be used

The double number line has been shown below-

a) For 100 blocks of cement, [tex]2\frac{1}{2}[/tex] bags of mortar are required

   For 1 block of cement, [tex]\frac{5}{2} \times \frac{1}{100}[/tex] bags of mortar are required

   For 350 blocks of cement, [tex]\frac{5}{2} \times \frac{1}{100} \times 350[/tex] bags of mortar are required

   For 350 blocks of cement, [tex]\frac{35}{4}[/tex] bags of mortar are required

   For 350 blocks of cement, [tex]8\frac{3}{4}[/tex] bags of mortar are required

b)  For 100 blocks of cement, [tex]2\frac{1}{2}[/tex] bags of mortar are required

   For 1 block of cement, [tex]\frac{5}{2} \times \frac{1}{100}[/tex] bags of mortar are required

   For 50 blocks of cement, [tex]\frac{5}{2} \times \frac{1}{100} \times 50[/tex] bags of mortar are required

   For 50 blocks of cement, [tex]\frac{5}{4}[/tex] bags of mortar are required

   For 50 blocks of cement, [tex]1\frac{1}{4}[/tex] bags of mortar are required

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The rate of change of the modelled equation is 3.5 and the initial value is 5.

Linear equation can be represented in different form such as slope intercept form, point slope form, general form and standard form.

Equation in slope intercept form is as follows:

y = mx + b

where

Therefore, Shirley has already jogged 5 miles. She continues to jog at an average rate of 3.5 miles per hour. This situation is modelled by the function y = 3.5x + 5 where y is the total miles jogged and x is the number of hours.

The equation is modelled in slope intercept form.

Therefore,

rate of change = 3.5

initial value  = 5

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