Answer:
Step-by-step explanation:
A=πr2
Circumference = 2πr
20π = 2πr
r=10
π=3.14
A=3.14 * 10^2
=314 cm^2
Answer:
x=-16
Step-by-step explanation:
4x– 15 = 17 - 4x+10x
4x+4x-10x = 17+15
-2x=32
-x=16
x=-16
Step-by-step explanation:
Hello there!
Use the formula for the volume of a sphere:

There is your answer!
:)
Answer:
1450feet is the height of the tower
pls mark brainliest- please
I assume it would be a combined height of 6 nickles.