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when draining her hot tub, the height of the water in Brittany's hot tub decreases at a rate of 2 inches per minute. After 9 minutes there are 11 inches of water in the tub. Assume that the height is decreasing at a constant rate. After how many minutes will the tub be empty.

1 Answer

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h-11=-2(t-9)


h=-2t+18+11


h=-2t+29

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