The way to get the equation for the radius (r) is to get r by itself. So divide each side by 4pi
500/4pi=r^2
Now take the square root of each side to get the equation of r.
sqrt(500/4pi)=r

6 0

3 years ago

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In the past ten years, the population of a city decreased from 90,000 to 75,000 Find the percent decrease.

vfiekz [6]

The answer is 31.5%.

8 0

3 years ago

Please answer this. thanksssss

Sunny_sXe [5.5K]

Answer:the answer is A my friend ;)

Step-by-step explanation:

4 0

3 years ago

If a puppet requires 3/4 yard of material, how many puppets can be made from 9 yards of material?

klasskru [66]

First find out how many times 3/4 yard goes into 9. 3/4 fits into 9 twelve times, so twelve puppets can be made.

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5 0

3 years ago

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