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3 years ago

7

A transformation doubles each point's x-coordinate and leaves the point's y-coordinate intact. What will the transformation have

on the lenght?

1 answer:

g100num [7]3 years ago

7 0

It shouldn’t be any longer vertically so that should be your answer

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Problem 5. A skating rink in the shape shown has an area of

nexus9112 [7]

Answer:

$P=\dfrac{\pi r^2+2800}{r} $ ft$

Step-by-step explanation:

Let the length of the rectangular part =l

The width will be equal to the diameter of the semicircles.

Area of the Skating Rink= $2(\frac{\pi r^2}{2})+(lX2r)$

Therefore:

$\pi r^2+2lr=2800\\2lr=2800-\pi r^2\\$Divide both sides by 2r\\l=\dfrac{2800-\pi r^2}{2r}$

Perimeter of the Shape =Perimeter of two Semicircles + 2l

$=2\pi r+2\left(\dfrac{2800-\pi r^2}{2r}\right)\\=2\pi r+\dfrac{2800-\pi r^2}{r}\\=\dfrac{2\pi r^2+2800-\pi r^2}{r}\\=\dfrac{\pi r^2+2800}{r}$

The perimeter of the rink is given as:

$P=\dfrac{\pi r^2+2800}{r} $ ft$

4 0

3 years ago

Rotate point C(6,-3) 90 clockwise<br><br> PLEASE HELP

AleksandrR [38]

The answer is (-3, -6)

Step-by-step explanation:

turn the x into a y, and the y into a opposite x.

6 0

2 years ago

3 is what percent of 50

Anna35 [415]

Answer:

6%

Step-by-step explanation:

3/50 x 100/1% = 3/2 x4/1% = 12/2%=6%

6 0

2 years ago

Read 2 more answers

The art students are using clay. Each student

netineya [11]

Answer:

Step-by-step explanation:

29

7 0

3 years ago

A farmer has a tractor with a length of 25 ft. If his grandson has a 1:8 scale replica pedal tractor, what is the length of the

Andrei [34K]

The length of the toy tractor is 3.125ft

Data Given;

length = 25ft
ratio = 1:8

To solve this question, we need to find the length of the tractor using ratios.

<h3>What is Ratio</h3>

This is the proportion of a substance to the entire value of that substance.

If the length of the tractor is 25 ft, then the length of the toy tractor can be found when we divide 25 by 8.

$l = 25/8 = 3.125ft$

The length of the toy tractor is 3.125ft.

Learn more on ratio here;

brainly.com/question/1781657

5 0

2 years ago