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Setler79 [48]
4 years ago
15

SOMEONE PLEASE HELP ME ASAP PLEASE !!!​

Mathematics
2 answers:
bixtya [17]4 years ago
5 0

Answer:

169 pie

Step-by-step explanation:

pie is 3.14 and the r stands for radius

in the question radius is 13

in ur calculator u shall type pie times 13 squared

sorry I couldn't use figures to show but I hope that helped

Ede4ka [16]4 years ago
3 0

Answer:

530.66

Step-by-step explanation:

The way we find the area of the circle we use the radius of the circle for this one it's 13cm squared * pi or 3.14

For this circle we do 3.14 * 13^2

First we have to square 13: 13^2 = 169

Then we multiply 169 by 3.14: 3.14 * 169 = 530.66

Then we do to the nearest hundredth which is the same as the previous answer: 530.66

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Answer:

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Step-by-step explanation:

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3 years ago
Which is true about the polynomial y^2- 3y +12?
Oksanka [162]

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8 0
3 years ago
The combined area of two squares is 80 square centimeters. Each side of one square is twice as long as a side of the other squar
olganol [36]

Answer:

The length of each side of the larger square is<u> 8 </u>centimeter.

Step-by-step explanation:

Given:

The combined area of two squares is 80 square centimeters. Each side of one square is twice as long as a side of the other square.

Now, to find the length of each side of the larger square.

Let s be the length of the smaller square.

So, the length of the larger square = 2s.

Now, we find the areas of the square by putting formula:

The area of smaller square = length²  =s^2.

The area of larger square = (length)²  =(2s)^2=4s^2.

As, given:

The combined area of two squares is 80 square centimeters.

According to question:

s^2+4s^2=80\\5s^2=80

<em>So, dividing both sides by 5 we get:</em>

s^2=16

<em>Using square root on both sides we get:</em>

s=4\ centimeter.

And, to get the  length of each side of the larger square we substitute the value of s:

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<u>The length of larger square = 8 centimeter</u>

Therefore, the length of each side of the larger square is 8 centimeter.

8 0
3 years ago
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