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Mars2501 [29]
3 years ago
15

At​ noon, a tank contained 5in. of water. After several​ hours, it contained 3in. of water. What is the percent decrease of wate

r in the​ tank?
Mathematics
2 answers:
Sonbull [250]3 years ago
5 0
I dont really know what this could be
Alex787 [66]3 years ago
3 0

The amount of decrease was 5 -3 = 2 inches,

Percent decrease = 2 /5 = 0.40 x 100 = 40%

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Also, the greatest common factor of 6 and 9 is 3.

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4 0
4 years ago
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Solve for d, reduce any fractions to lowest terms, help please it’s 4:15, I just wanna go to bed :(
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<h3>Solution:</h3>

-38d - 57 = -19d + 76

or, -38d + 19d = 76 + 57

or, -19d = 133

or, d = 133/-19 = -7

<h2>Answer: d = -7</h2>

<h3>To Check:</h3>

By putting the value of d, we get

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\sqrt{x + 2y} = z

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Subtract both sides by x

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Divide both sides by 2

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