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Semmy [17]
3 years ago
13

Carson is draining his swimming pool so he can clean it. The water level started at 12 feet and decreased 6 inches every hour. W

hich equation provides the water level of the swimming poolo(in feet) as a function of time (in hours)? y=1/2x-12, y=-6x+12, y=-1/2x+12, y=6x-12
Mathematics
1 answer:
ra1l [238]3 years ago
3 0

9514 1404 393

Answer:

  (c)  y=-1/2x+12

Step-by-step explanation:

The units of the problem need to be consistent. Here, it is convenient to use feet. 6 inches is 1/2 foot, so the level will decrease 1/2 ft for each hour. It starts at +12 ft, and goes down from there:

  y = -1/2x +12

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