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Mathematics, 05.10.2019 09:01 peytonwray04

The altitude of an object, d, can be modeled using the equation below:
d=-16t^2 +vt+h
from the edge of a 486 foot cliff, peyton shot an arrow over the ocean with an initial upward velocity of 90 feet per second. in how many seconds will the arrow reach the water below? _ seconds

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The altitude of an object, d, can be modeled using the equation below:
d=-16t^2 +vt+h
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