SOLUTION: A missile fired straight up into the air has a height, in meters, given by h = -5 t^2 + 40 t, where t is the time, in seconds, the missile has been in the air.
By setting up an
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Question 864481: A missile fired straight up into the air has a height, in meters, given by h = -5 t^2 + 40 t, where t is the time, in seconds, the missile has been in the air.
By setting up and solving an equation, find the time when the missile hits the ground.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
0 = -5t^2 + 40t
5t^2=40t
t=8
t=0
h=0 at t=0 and at t=8
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