bella25756 bella25756

24-09-2022
Mathematics

Answered

An observation deck extends 310 feet out above a valley. The deck sits 260 feet above the valley floor. If an object is dropped from the observation deck, its height h in feet, after t seconds, is given
by h=-16² +260. How long will it take for the object to be 4 feet above the valley floor?

Answer :

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