the resturant was trying out a new menu. they asked 25 people if they liked the changes 19 said yes. the resturant had 227 costu
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The answer is 7.21...
Answer:
The time that the rocket will hit the ground is 12.87 seconds.
Step-by-step explanation:
Given : The rocket is launched from a tower . The height of the rocket, y in feet, is related to the time after launch, x in seconds, by the given equation.
To find : The time that the rocket will hit the ground ?
Solution :
When the rocket hit the ground i.e. height became zero y=0,
Equation is
Substitute y=0,
Using quadratic formula,
Reject negative value.
The time taken is 12.87 seconds.