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lys-0071 [83]
2 years ago
10

A tank sprung a leak in the water level started drop from 24.8 m at a rate of 2 m/h. Right and solve an equation to determine ho

w long it will take the water level to drop 8.8 m
Mathematics
1 answer:
malfutka [58]2 years ago
3 0

Answer:

8 hours.

Step-by-step explanation:

The initial water level is 24.8 meters, and the rate of water level drop is 2 meters/ hour, that means after t hours the water level L will be

L =24.8-2t

Now we want water level to be 8.8 meters, I.e L=8.8m, therefore, we have:

L=8.8=24.8-2t

we solve the equation for t:

8.8=24.8-2t\\8.8+2t=24.8\\2t=24.8-8.8\\2t=16\\\\\boxed{t=8}

it will take 8 hours for the water level to drop to 8.8 meters.

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Answer:

The answer is "b=\frac{A}{h}".

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Therefore in this question the "bh" were the multiplied and these values includes the variable which is solving by the isolating of "b".

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\to \frac{A}{h} = \frac{bh}{h}\\\\\to \frac{A}{h} = b\\\\\to b= \frac{A}{h}

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