Answer:
1. V={π(3^2)*9 in^3}/3=84.82 in^3
2. V= {π(7^2)*11 in^3}/3=564.44 in^3
3. V= {π(15^2)*20 in^3}/3=4,712.39 yd^3
Step-by-step explanation:
V=π(r^2)h
$6469.177
I could be wrong but I'm pretty sure that is right.
8.5x-6.1=-7.1
40x-6.1=-7.1
40x=-7.1+6.1
40x=-1
solution= x= -0.025
1.25 or 1 1/4 however you want to look at it
Make a ratio, then cross multiply.
4/30=x/48
30x=4x48
30x=192
x=6.4