spcstout2014 spcstout2014
  • 23-04-2017
  • Mathematics
contestada

A hot-air balloon descends at a rate of 18 feet per minute. How far will the balloon descend in 10.6 minutes?

Respuesta :

irspow
irspow irspow
  • 23-04-2017
Since this is just linear we can say that the balloon descends:

(-18ft/min)(10.6min)=-190.8ft  (negative because the balloon is coming down)
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xxHarleySquadQuinnxx
xxHarleySquadQuinnxx xxHarleySquadQuinnxx
  • 25-04-2017
multiply the rate by the number of minutes:
18 ft/m x 10.6 m = 190.8 ft
To check:
190.8 ft/10.6 m = 18 ft/m
to see how you end up with the units:
(18/1 ft/m)(1/10.6m) 
Cross multiply the 18 and 10.6 and the ones; the minutes cancel each other out, leaving you with:
 190.8/1 ft or just 190.8 ft. 

Hope this helps you! 
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