Answer:
h = 12 cm
Step-by-step explanation:
3053.63=πr^2h
Let r=9 and approximate pi as 3.14
3053.63=3.14 ( 9)^2 h
3053.63=3.14*81*h
3053.63=254.34h
Divide each side by254.34
3053.63/254.34=254.34h/254.34
12=h
Answer: x=120
Step-by-step explanation:
(2x-50)+(x+40)+150+80+(x+20)+90= 720
4x+330= 720
4x=390
x=97.5
Answer:
Step-by-step explanation:
Given
Required
Simplify
Start by removing brackets
Collect Like Terms