<span>Step 1: find the radius
The radius is half of the diameter. So the radius is 8 because the diameter is 16.
Step 2: square the radius.
8^2 = 64
Step 3: plug into formula
pi * radius squared * height
3.14 * (64) * (1.8) = 361.728 m^3
The volume of the pool is 361. 728 meters cubed.
Step 4: Divide volume by the amount pumped out per hour
volume / amount pumped out = amount of hours
361.728/16 = 22.608 hours.
So your answer is approximately 23 hours.</span><span>
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Answer:
About 50.14 Centimeters
Step-by-step explanation:
The formula for the volume of a cylinder is:

Now, let's plug in the values. (We'll use 3.14 for pi.)

All we do now, is solve for r. Divide 76 on both sides...

Divide 3.14 on both sides...

Lastly, find the square root on both sides.


Therefore, the r, or the radius, is around 50.14 centimeters. Hope this helps!
Answer:
-3 + 8a
Step-by-step explanation:
multiply 3 by -1 as well as -8a by -1 and you'll get -3 + 8a
12s + 8i is one of the answers. Sorry, I don’t know the other :/