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3 years ago

7

Write a real problem you could answer by solving the equation -8x+60=28

1 answer:

tankabanditka [31]3 years ago

7 0

Bob found out that he can dig 8 inches down every minute. If he wants to put a 5 foot stick in the hole with 28 inches showing, how long does he have to dig?

(so to solve you convert 5 feet to 60 inches then do the equation -8x+60=28 then you add 8x to both sides, subtract 28 then divide by 8 leaving you with 4 minutes)

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Evaluate 5x/y^2 for each of the following combinations , 1. X=-2,y=-4.

tankabanditka [31]

$\frac{5x}{y^2}\\\\\frac{5(-2)}{-4^2} = \frac{-10}{16}=-\frac{5}{8}\\\\\frac{5(0)}{-4^2}=\frac{0}{16}=0\\\\\frac{5(-4)}{0^2}=\frac{-20}{0}=$ ∅

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3 years ago

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4 years ago

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MariettaO [177]

Answer:

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