hi
f(x) = -12x²+9x
So
f'(x) = -24x +9
if x = 6 then f'(6) = -24 (6) +9 = -135
Answer: 141.3 in
1. V = πrh
2. V = (3.14)()(5)
3. V = 141.3 in.
Hope this answer helps you!
Answer:
The length of the ramp must be at least 14.71 feet
Step-by-step explanation:
Given
<em>See attachment for complete figure</em>
Required
Length of the ramp (z)
To do this, we consider sin of angle A ().
So, we have:
This gives:
Make z the subject
<em>The length of the ramp must be at least 14.71 feet</em>
Answer:25
Step-by-step explanation:
When a number is squared, the little two that follows a number, it means that the bigger number will multiply by itself.
So 5^2 (^2 signifies the square) means it is 5x5=25