biancabell3
07.01.2021 •
Mathematics
Question Help
An observation deck extends 457 feet out above a valley. The deck sits 407 feet above the valley floor. If an object is dropped from the observation deck, its heighth
in feet, after t seconds, is given by h = -1662 +407. How long will it take for the object to be 7 feet above the valley floor?
It will take seconds for the object to be 7 feet above the valley floor.
(Type an integer or a decimal.)
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Ответ:
6785.84
R squared = 144
144 x pi = 452.389342
Answer x height
452.389342 x 15 = 6785.84