How do you find the radius of a sphere when you know the area

Answers

Answer 1

Answer: Since the area formula is pi times radius to the second power, then just plug in the things you know. for ex: The area is 314, then work backwards and divide 314 by pi which equals 100 then unsquare it which is 10 because 10*10=100. So the radius is 10

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11 c 5 mi(2c) mi(2c 1) mi(4c 2) mi

Answers

The answer would be 3c + 8.

First you add the 3 other sides which is adds up to 8c + 3. Then subtract that by the perimeter( 11c + 5 ). Your answer is 3c + 8.

Write a number less than 69?

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Answer:

Step-by-step explanation:

the answer is NICE.....

How much cups equal a gallon

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16 cups in a gallon
Hope That Helps!

A person on a moving sidewalk travels 18 feet in 9 seconds. The moving Sidewalk has a length of 80 feet. How long will it take to move from one end to another? The person will take ____ seconds you move from one end to another.

Answers

Answer:

40 seconds

Step-by-step explanation:

9 seconds = 18 feet

x seconds = 80 feet

then cross multiply

(9*80)/18 = x

x = 40

hence time = 40 seconds

Answer:

40 steps

Step-by-step explanation:

What is the greatest factor of 52 that is a prime number?

Answers

Factors of 52 = 1, 2, 4, 13, 26, 52.

The greatest factor of 52 that is a prime number is 13.

How much money will you have if you started with $1200 and put it in an account that earned 7.3% every year for 10 years?

Answers

So an exponential equation is gonna be used for this problem. The formula for such is $y=ab^x$ , in which the a variable is the initial value and the b variable is the growth/decay rate.

For this situation, 1200 is gonna be your a variable since you've started out with it. And as for your b variable, its gonna be 107.3%, or 1.073, since it's increasing.

Your equation should look like this: $y=1200(1.073)^x$ and from here just plug in 10 into the x variable and solve.

Multiply (1.073)^10 (don't round answers until the end), and take that answer and multiply it with 1200, your answer should be $2427.61.

$y=1200(1.073)^(10) \n y=2427.61$

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