SOLUTION: if h=0 what is the answer to h=-16t^2+625

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Question 397361: if h=0 what is the answer to h=-16t^2+625
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi

if h=0 what is the answer to h=-16t^2+625

-16t^2 + 625 = 0  |multiplying thru by -1

 16t^2 - 625 = 0

    16t^2 = 625

    t^2 = 625/16

    t = ± 25/4