7x-y=5 what is y? 5x-3y=0 what is y? solve v=iwh for w.

1 answer:

6 0

1. 7x - y = 5 Isolate y Add y 7x = y + 5 Subtract y = 7x - 5 2. 5x - 3y = 0 Isolate y Add y 5x = 3y Divide y = 1.66x 3. v=iwh Isolate w Divide h v/h = iw Divide I v/hi = w

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The complete question is:

A set of middle school student heights are normally distributed with a mean of 150 centimeters and a standard deviation of 20 centimeters. Darnel is a middle school student with a height of 161.4cm.

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Answer:

We first calculate the z-score corresponding to Darnell's height using:

$Z=\frac{X-\mu}{\sigma}$