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17-05-2017
Mathematics

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Kacey was draining a pool that was 12 feet deep. She started draining the pool at 7am. By 9am, the water level was 8 feet. Write an equation for the depth of the pool in relation to the time since 7am.

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Аноним Аноним

17-05-2017

x2 - 12 = y, where x=the number of hours since 7 am, and y=the water level

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