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3 years ago

7

If DE=5x-9, EF=2x+10, and DF=78, find the value of x.Type the number only.

1 answer:

saul85 [17]3 years ago

7 0

Answer:11

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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4 years ago

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A computer that originally cost $500 is on sale for $350. What is the percent discount?

laiz [17]

Answer:

30%

Step-by-step explanation:

500 - 350 = 150
Set up a proportion: $\frac{150}{500} = \frac{x}{100}$
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I hope this helps!

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3 years ago