Answer:
x=5
Step-by-step explanation:
We need to find the derivative of that equation with respect to x. The derivative of x^3 is 3x^2, the derivative of 3x^2 is 6x, and the derivative of any constant is always 0. Use the power rule for derivatives that says

. Our derivative, then, is

.
The answer is 42 because there are 10 adults and
M=4(10)+2
M=40+2
M=42
Answer:
8
sqrt(7)
1/2
20
Step-by-step explanation:
4sqrt(2) * sqrt(2) = 4 * sqrt(4) = 4 * 2 = 8
3sqrt(7) - 2sqrt(7) = sqrt(7)
sqrt(7)/(2sqrt(7)) = 1/2
2sqrt(5) * 2sqrt(5) = 2 * 2 * sqrt(25) = 4 * 5 = 20