The toy rocket hits the ground when h(t) = 0.
So, h(t) = 0 = -9t^2 + 81.
Solving the equation,
-9t^2 = -81
Dividing by -9
t^2 = 9
Taking the square root.
t = 3
The answer is 3 seconds.
5g-6 when you multiply a verable with a number you simplily put the letter beside the number and that lets us know to multiply:)
Answer: 14,920 kids
Step-by-step explanation:
15,000-(16×5)=x
15,000-80=x
14,920=x
There is nothing there sorry