A toy rocket is launched from a platform 24ft above the ground. The

Mathematics

1 answer:

jok3333 [9.3K]2 years ago

8 0

Answer:

4 sec

Step-by-step explanation:

let y = 0 which is the height when the rocket hits the ground

-3t^2 + 6t + 24 = 0

-3(t^2 - 2t - 8) = 0

-3(t - 4)(t + 2) = 0

t = 4 or t = -2

time cannot be negative, so t = 4 sec

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