Answer:
10.17
Step-by-step explanation:
Given the following Quadratic equation:
The steps to solve it are:
1. Substitute into the equation:
2. Use the Quadratic formula .
In this case:
Substituting values into the Quadratic equation, you get (Round the values to the nearest hundreth):
3. The positive value is the time that the rocket will hit the ground.
Therefore, the rocket will hit the ground after .
The maximum number of adults is 4
Read my attachment
R(t)= 12t
E(t)= 3t + 75
P(t)= (r- e)(t)
12(t) - (3t + 75)
12t - 3t - 75
P(t)= 9t- 75
P(t)= 9t-75 Hope this helps.
