check the picture below.
so, the rocket will come back to the ground when h(t) = 0, thus
![\bf h(t)=-3t^2+12t\implies \stackrel{h(t)}{0}=-3t^2+12t\implies 0=-3t(t-4)\\\\[-0.35em]~\dotfill\\\\0=-3t\implies 0=t\impliedby \textit{0 seconds when it took off from the ground}\\\\[-0.35em]~\dotfill\\\\0=t-4\implies 4=t\impliedby \textit{4 seconds later, it came back down}](https://tex.z-dn.net/?f=%5Cbf%20h%28t%29%3D-3t%5E2%2B12t%5Cimplies%20%5Cstackrel%7Bh%28t%29%7D%7B0%7D%3D-3t%5E2%2B12t%5Cimplies%200%3D-3t%28t-4%29%5C%5C%5C%5C%5B-0.35em%5D~%5Cdotfill%5C%5C%5C%5C0%3D-3t%5Cimplies%200%3Dt%5Cimpliedby%20%5Ctextit%7B0%20seconds%20when%20it%20took%20off%20from%20the%20ground%7D%5C%5C%5C%5C%5B-0.35em%5D~%5Cdotfill%5C%5C%5C%5C0%3Dt-4%5Cimplies%204%3Dt%5Cimpliedby%20%5Ctextit%7B4%20seconds%20later%2C%20it%20came%20back%20down%7D)
Answer:
the answer will be -0.125
Answer:
girl what math is this so ik not to take it
Answer:
The correct option is (A) No real solution.
Step-by-step explanation:
The expression provided is a quadratic equation.

The roots of a quadratic equation are:

Here,
a = 8
b = -10
c = 15
The conditions to determine real and complex roots are:
- If
then the quadratic equation has two complex roots. - If
then the quadratic equation has two real roots.
Compute the value of
as follows:

The equation has two complex roots.
Thus, the correct option is (A).
Answer: The bowling ball weighs 192 ounces.
Step-by-step explanation: There are 16 ounces in a pound, and there are 12 pounds, so all we need to do is multiply them.
16 x 12 = oz
16 x 12 = 192
I hope this helped you understand :)