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mamaluj [8]
3 years ago
7

Express the ratio 425 miles on 17 gallons of gas as a unit rate

Mathematics
2 answers:
Mariulka [41]3 years ago
7 0
The answer is 25:1 or 25 to 1. They are the same thing thought.
ArbitrLikvidat [17]3 years ago
6 0
I think that it should be expressed as miles per gallon so 425 miles and 17 gallons will be 425 miles/17 gallons=25 miles/gallon is the unit rate.
Therefore for every 25 miles,4 gallons is used.
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3x^2-4x-2=0

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Adding 2 to both sides give,

3x^2-4x=2

Dividing through by 3 gives

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Adding (-\frac{2}{3})^2 to both sides gives

x^2-\frac{4}{3}x+(-\frac{2}{3})^2= \frac{2}{3}+(-\frac{2}{3})^2

The expression on the Left Hand side is a perfect square.

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