3 years ago

Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth.

Mathematics

1 answer:

Keith_Richards [23]3 years ago

4 0

Answer:

8.0 seconds to the nearest tenth,

Step-by-step explanation:

h=-16t^2 +vt + c.

-16t^2 + 116t + 101 = 0

t = [ -116 + /- √(116^2 - 4*-16*101) ] / (-32)

t = (-116 +/- √19920) / (-32)

t = -0.79, 8.036 (we ignore the negative root)

The time in flight = 8.036 seconds.

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