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Alina [70]
3 years ago
15

The kwon family has a rainwater catchment system they use to water their garden. the storage tank is 72 inches deep. three hours

after the rain started, the depth of water in the tank was 36 inches. after 5 hours, the depth was 58 inches. if the rain continues to fall at the same rate, how many hours will it take to fill the tank? round your answer to the nearest tenth of an hour. hours
Mathematics
1 answer:
atroni [7]3 years ago
4 0

The tank is filling at the rate of (58-36) in/(5-3 h) = 22/2 = 11 in/h.

72-58 = 14 inches more to fill

<span>
The remaining 14 inches will be filled in
14 /11  = 1.27 , round to 1.3 hours</span>

 so total time would be 5 +1.3 = 6.3 hours


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klemol [59]

Answer:

option B

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Step-by-step explanation:

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<h3>Step1</h3>

To divide complex numbers, you must multiply by the conjugate. To find the conjugate of a complex number all you have to do is change the sign between the two terms in the denominator.

\frac{5+4i}{6+8i}(\frac{6-8i}{6-8i})

<h3>Step2</h3>

Distribute (or FOIL) in both the numerator and denominator to remove the parenthesis.

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<h3>Step3</h3>

Simplify the powers of i, specifically remember that i² = –1.

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<h3>Step4</h3>

\frac{62}{100}-\frac{16i}{100}

<h3>Step5</h3>

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