Answer:
40%
Step-by-step explanation:
Divide 72/40 which gives you 1.8 multiply by 100 gives you 180=1.80
72/ 1.80
40%
Answer:
R = 4cm
Step-by-step explanation:
V = π(R)²h = 480π
Divide by π
(R)²h = 480
Substitute h with 30
30*(R)² = 480
Divide by 30
(R)² = 16
Square root
R = 4cm
We do not accept R= -4 because it's a length, so it must be positive.
the geometric mean is 20
the geometric mean of 2 numbers a and b is 
= 
= 20
Answer:
A = 33 1/3 ft²
It's the one you picked lol
f'(x) = 9+1/x
f'(9) = 9+1/9 = 82/9
