Mathematics College

Tia dilated the rectangle below by a scale factor of 7/2. What is ther perimeter of the new rectangle?
A
64 inches

B
220 inches

C
2695 inches

D
224 inches

Tia Dilated The Rectangle Below By A Scale Factor Of 7/2. What Is Ther Perimeter Of The New Rectangle?A

Answers

Answer 1

Answer:

D. 224 inches

Step-by-step explanation:

Length of the new rectangle after dilation = 22 × ⁷/2 = 77 inches

Width of the new rectangle after dilation = 10 × ⁷/2 = 35 inches

Perimeter of rectangle = 2(length + width)

= 2(77 + 35)

= 2(112)

Perimeter = 224 inches

Related Questions

Joe paid $14.00 for a board game. This is 70% of the original price. What was the original price?

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Answer:

69.99

Step-by-step explanation:

Answer:

23.80

Step-by-step explanation:

please help UwU
if correct you get Brainiest

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Answer: C

Step-by-step explanation:

Always choose c When in doubt

whats 2+2 lollololololololololololololololololololo

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Answer:

4ssssssssssssssssssssssssssss

For f(x) = x3-x2, which gives an output of 48?
A. f(-8)
B. f(-4)
C. f(4)
D. f(8)

Answers

Answer:

The input is x−2, therefore

Step-by-step explanation:

f(x−2)=(x−2)2−3(x−2)+1

PLEASE HELP WILL GIVE BRAINLIEST

Does the following table represent a linear function? If so, find the linear equation that models the data.​

Answers

Y=-5x -2 should be the equation I’ll go check tho

Please answer, will give brainliest.

Answers

Answer:

third one

Step-by-step explanation:

Answer:

I think one solution

Step-by-step explanation:

*Sorry if this did not help. I'm only in 5th grade*

Rob is setting up a model train track that is 3 and 3 over 8 feet long. No telephone pole is needed at the start of the track. However, along the track, he places a telephone pole every 3 over 8 foot apart. How many telephone poles does he need? (Input number values only.

Answers

Answer:

9?

Step-by-step explanation:

Answer:

sorry dont understaand

Step-by-step explanation:

A bag of marbles contains three blue, one black, and four
yellow marbles. If two marbles are chosen at random
without replacement, what is the probability that both
marbles will be yellow?

Answers

Answer:

3/14

Step-by-step explanation:

Blue = 3Black = 1Yellow = 4

Total = 3 + 1 + 4 = 8

Probability of two yellows:

4/8*3/7 = 3/14

Draw a rough sketch of the graph of f(x)=(x+1)^2(x-4). Insert a picture of your sketch below.
WILL GIVE BRAINLIEST PLS PLS HELP

Answers

Answer:

I will help you since you asked :) sorry for taking so long

step explanation:

The solution is f ( x ) = ( x + 1 )² ( x - 4 )

What is Equation of Graph of Polynomials?

Graphs behave differently at various x-intercepts. Sometimes the graph will cross over the x-axis at an intercept. Other times the graph will touch the x-axis and bounce off.

Identify the even and odd multiplicities of the polynomial functions' zeros.

Using end behavior, turning points, intercepts, and the Intermediate Value Theorem, plot the graph of a polynomial function.

The graphs cross or are tangent to the x-axis at these x-values for zeros with even multiplicities. The graphs cross or intersect the x-axis at these x-values for zeros with odd multiplicities

Given data ,

The equation is f ( x )

f ( x ) = ( x² + 2x + 1 ) ( x - 4 )

On Simplifying the equation , we get

f ( x ) = ( x³ - 4x² + 2x² - 8x + x - 4 )

Now , this is a polynomial equation and can be plotted on a graph and is shown below

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. The National Sleep Foundation surveyed representative samples of adults in six different countries to ask questions about sleeping habits.† Each person in a representative sample of 250 adults in each of these countries was asked how much sleep they get on a typical work night. For the United States, the sample mean was 391 minutes, and for Mexico the sample mean was 426 minutes. Suppose that the sample standard deviations were 25 minutes for the U.S. sample and 49 minutes for the Mexico sample. The report concludes that on average, adults in the United States get less sleep on work nights than adults in Mexico. Is this a reasonable conclusion? Support your answer with an appropriate hypothesis test. (Use
= 0.05.
Use 1 for Mexico and 2 for the United States.)

Answers

Answer:

Yes the conclusion in the question  is a reasonable conclusion

Step-by-step explanation:

From the question we are told that

    The sample size is  [tex]n_1 = n_2 = n = 250[/tex]

     The sample mean for USA is  [tex]\= x_1 = 391 \ minutes[/tex]

     The sample mean for Mexico is [tex]\= x_2 = 426 \ minutes[/tex]

     The sample standard deviation for USA is  [tex]s_1 = 25 \ minutes[/tex]

    The sample standard deviation for Mexico is  [tex]s_2 = 49 \ minutes[/tex]

     

The null hypothesis is  [tex]H_o : \mu_1 = \mu_2[/tex]

The alternative hypothesis is  [tex]H_a : \mu_1 < \mu_2[/tex]

Generally the test statistics is mathematically represented as

        [tex]z = \frac{\= x_1 - \= x_2 }{ \sqrt{ \frac{s_1^2}{n_1} + \frac{s_2^2}{n_2 } } }[/tex]

=>     [tex]z = \frac{ 391 - 426 }{ \sqrt{ \frac{25^2}{250} + \frac{49^2}{250} } }[/tex]

=>     [tex]z = -10[/tex]

From the z table  the area under the normal curve to the left corresponding to   -10  is

    [tex]p-value = P(Z < -10 ) = 0.00[/tex]

Generally from the value obtained we see that

  The p-value is  <  [tex]\alpha[/tex]  hence

The decision rule is

Reject the null hypothesis

The conclusion is  

 The is sufficient evidence to conclude that adults in the United States get less sleep on work nights than adults in Mexico

Hence the conclusion in the question is a  reasonable conclusion

The p-value is less than [tex]\alpha[/tex] hence reject the null hypothesis. This is sufficient evidence to conclude that adults in the United States get less sleep on work nights than adults in Mexico and hence it is a reasonable conclusion given in the problem.

Given :

The National Sleep Foundation surveyed representative samples of adults in six different countries to ask questions about sleeping habits.Each person in a representative sample of 250 adults in each of these countries was asked how much sleep they get on a typical work night.For the United States, the sample mean was 391 minutes, and for Mexico the sample mean was 426 minutes.Suppose that the sample standard deviations were 25 minutes for the U.S. sample and 49 minutes for the Mexico sample.

According to the given data the sample size of the US and Mexico is [tex]\rm n_1=n_2=250[/tex].

The hypothesis are as follows:

Null Hypothesis is [tex]\rm H_0 : \mu_1=\mu_2[/tex]

Alternate Hypothesis is [tex]\rm H_1 : \mu_1<\mu_2[/tex]

Now, the mathematical representation of test statistics is:

[tex]\rm z = \dfrac{\bar{x_1}-\bar{x_2}}{\sqrt{\dfrac{\sigma^2_1}{n_1}+\dfrac{\sigma^2_2}{n_2}} }[/tex]

[tex]\rm z = \dfrac{391-496}{\sqrt{\dfrac{25^2}{250}+\dfrac{49^2}{250}} }[/tex]

z = -10

According to the z-table:

p - value = p (Z < -10) = 0

The p-value is less than [tex]\alpha[/tex] hence reject the null hypothesis.

This is sufficient evidence to conclude that adults in the United States get less sleep on work nights than adults in Mexico and hence it is a reasonable conclusion given in the problem.

For more information, refer to the link given below:

https://brainly.com/question/23044118

4(2x-15)+7(3x+2)=70?

Answers

Answer:

the answer is [tex]x=4[/tex]

Step-by-step explanation:

Try using Symbolab, I use it all the time it gives the correct answer and it gives good explanations.

hope this helps :)

4(2x-15) +7(3x+2) =70
8x -60 +21x +14 =70
29x -60 +14 =70
29x -46 =70
29x =24
29x/29 = 24/29
x= 1.208333333

does that help?

Simplify:
3^x-1 × 27^x+1
___________
81^x​

Answers

Answer:

3^x-1×27^x+1

___________

81^x

81^x+x-1+1

_________

81^x

81^2x

_____

81^x

81^2x-1x

81^1x

HELP ME PLEASEEEEEEEEEE

Answers

the photo isnt loading

For every 24 cookies, there are 12 students. Which ratio does not represent cookies to students?

Answers

Answer: 12:24

Step-by-step explanation:

You can’t have 12 students to each cookie

Answer:

D: 2 students for every cookie

Step-by-step explanation:

D does not represent the ratio of cookies to students because it claims there are 2 students to every cookie, where there are 2 cookies for every student.

easy question if your having big problem

Answers

Answer:

whats the problem

Step-by-step explanation:

Answer:

yup

Step-by-step explanation:

Which number line correctly shows -3-(1.5) ​

Answers

The first choice is correct because negative goes left and both numbers are negative!

HELP PLEASE! IMAGE ATTACHED

Answers

Answer:

I cannot see the picture it just shows the image logo

Step-by-step explanation:

(b) 25% of what number is 17?

Answers

Answer:

68

Step-by-step explanation:

derive that 25 percent of 68 equals 17.

Answer:

25 percent of 68 equals 17.

Step-by-step explanation:

which point of the number line represents negative 4/5?
A

B

C

D​

Answers

c i believe since your counting the negative one as well

Answer:

the answer is A

Step-by-step explanation:

The sum of five times a number and four is equal to negative eleven. What is the number?

-4
-5
-2
-3

Answers

Answer:

-4

Step-by-step explanation:

Answer:

The answer is -3

Step-by-step explanation:

First I subtracted 4 from -11 giving me the product of 5 and n before 4 was added which is -15

I then divided -15 by 5 giving me -3

Sally used 5 gallons of ginger ale, 1 gallon of orange juice, and 2 gallons of pineapple juice, to make a punch for her family holiday party. How many
quarts of punch will Sally have for her party?
32 quarts
52 quarts
O 36 quarts
12 quarts

Answers

Answer:

A.) 32 quarts

Step-by-step explanation:

If there are 4 quarts in a gallon, and Sally has 8 gallons of punch total, 4*8=32 quarts.

Answer:

32 quarts

Step-by-step explanation:

1 gallon = 4 quarts

5+1+2=8

8 × 4 = 32

Helpp me pleasee correct answers! (10 points )

Answers

Answer:  Approximately 30.4 degrees

=========================================================

Work Shown:

324 - 1.6 = 322.4 is the height of the right triangle. This is the opposite side compared to the angle theta.

The adjacent side is 550 since it is the leg closest to the angle theta.

We'll use the tangent rule to connect the two sides

tan(angle) = opposite/adjacent

tan(theta) = 322.4/550

theta = arctan(322.4/550)

theta = 30.3780566013696

theta = 30.4

Your teacher didn't provide any rounding instructions, but I rounded to one decimal place since the value 1.6 is to one decimal place.

If a wagon is accelerating at a rate of 2 m/s and the
force acting on it is 20 N, what is the mass of the
wagon?

Answers

Answer:

40kg

Explanation:

a=2m/s^

f=20N

M=?

we know

f=m*a

or, 20=m*2

or, 2m=20

or, m= 20/2

:. m=10 kg

КУ Meccahi Grant Question #21 The perimeter of a rectangle is given by the algebraic Part A. expression 2x2 + 4x + 4. The width of this rectangle Create an algebraic expression in terms of x to 2 is given by the algebraic expression x? – 4. represent the length of the rectangle. The perimeter of a rectangle is given by the algebraic expression 2x2 + 4x +4. The width of this rectangle is given by the algebraic expression x2 - 4. Part A Create an algebraic expression in terms of x to represent the length of the rectangle. Part B If x = 3, what is the area of this rectangle in squa units? Remember to include units.​

Answers

Answer: The question requires an understanding of how to compose and decompose multi digit numbers. The expanded form 70,000 + 4,000 + 70 + 2 corresponds to the number 74,072, which is the population of Davidson County.

(sorry if i'm wrong)

:(

-4x +8 = 12
what does x =

Answers

Answer:

x = -1

Step-by-step explanation:

-4x + 8 = 12

      -8    -8

-4x = 4

divide both sides by -4

x = -1

Hope this helps!!!

Please helpp I’ll give brainleist

Answers

Answer:

87 for lo and om is 56

Step-by-step explanation:

Answer:

<LON= 98 Degrees

Step-by-step explanation:

180-55(2)=70

70+28=98

Which container holds more, a half-gallon milk jug or a 2-liter juice bottle

Answers

Answer:

1 gallon=3.79 liters  2 liter juice bottle would hold more

Step-by-step explanation:

Simplify 18 - 6x + 5x - 11

Answers

Answer:

7-x

Step-by-step explanation:

18-11=7

-6x+5x=-x

therefore, the answer is 7-x

The solution of the expression is,

⇒ - x + 7

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

The expression is,

⇒ 18 - 6x + 5x - 11

Now, We can solve the expression as;

⇒ 18 - 6x + 5x - 11

Rearrange as;

⇒ - 6x + 5x + 18 - 11

Combine like term as;

⇒ - x + 7

Thus, The solution of the expression is,

⇒ - x + 7

Learn more about the mathematical expression visit:

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A classroom is painting the classrooms. Each classroom takes 1/3 of a gallon of
paint. If the school buys 6 gallons of paint, how many classrooms can they paint?
Plz help

Answers

Answer: try 18

Step-by-step explanation:

find the slope intercept form of the equation of the line that passes through (-1,5) and is parallel to the line y=2x+4

Answers

Answer:

y = 2x + 7

Step-by-step explanation:

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