Sophie111111 Sophie111111

29-03-2017
Mathematics

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A hot air balloon is at an altitude of 240 feet. The balloon descends 30 feet per minute. What equation gives the altitude y, in feet, of the hot-air balloon after x minutes?

6th Grade Go Math

Plz EXPLAIN how you found the answer!

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Respuesta :

29-03-2017

Since the altitude started at 240 ft then that will be the constant, and, since it descends 30 ft/min, then 30 will be your slope.

y=30x+240

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