dulli2x dulli2x

17-12-2020
Mathematics

contestada

Kim throws a stone off a bridge into a river below. The
stone's height (in meters above the water ) X seconds after
she threw it, is modeled by
h (t) = - 5t2 + 20t + 60

Respuesta :

johannefotso77 johannefotso77

21-12-2020

Answer:

it hit the ground at 6 sec

Step-by-step explanation:

Answer Link

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