katlyn10289
23.06.2019 •
Mathematics
The distance that an object falls varies directly as the square of the time the object is in motion. if an object falls for 3 seconds, it will fall 144.9 feet. to estimate the height of a cliff, a person drops a stone at the edge of the cliff and measures how long it takes for the stone to reach the base. if it takes 3.5 seconds, what is the height of the cliff?
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Ответ:
-7y + 6x - 4
Step-by-step explanation:
4x - 7y + 2x - 4
combine 4x and 2x:
-7y + 6x - 4