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Amanda [17]
3 years ago
15

Please help in Math!? What value of y makes the equation true?

Mathematics
1 answer:
Zepler [3.9K]3 years ago
5 0
\frac{-7}{12} = \frac{y}{-36}

First, simplify \frac{y}{-36} to - \frac{y}{36} / Your problem should look like: - \frac{7}{12} = -\frac{y}{36}
Second, multiply both sides by 36. / Your problem should look like: -21=-y
Third, multiply both sides by -1. / Your problem should look like: 21 = y
Fourth, switch your sides. / Your problem should look like: y = 21

Answer: C) 21

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The number of potato chips in a bag is normally distributed with a mean of 75 and a standard deviation of 5. Approximately what
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<u>Step-by-step explanation</u>:

step 1 :

Given,

The mean, M = 75

Standard deviation, SD = 5

step 2 :

From Normal distribution,

The left side of mean is 32% = M-SD, 16% = M-2SD and 2% = M-3SD

The right side of mean is 32% = M+SD, 16% = M+2SD and 2% = M+3SD

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Calculate for left side: M-SD = 75-5 = 70 and M-2SD = 75-10 = 65

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Calculate the percentage between 65 and 85:

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3 years ago
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