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h = -16t2 + 4t + 4
I don’t know how to approach this

Sagot :

FulcrumAhsokaidn

Answer:

0.64 seconds

Step-by-step explanation:

Some extra unneeded information provided in this problem. Simply find t when h is equal to zero. (Factor out -4 if it makes it easier.)

0 = -16t^2 + 4t + 4

Solve using the quadratic equation:

t = ~0.64

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