2 years ago

3x+y= 7 2x+y= 6 what is x and what is y

Mathematics

1 answer:

weeeeeb [17]2 years ago

6 0

X=1; so then y must = 4

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All of the expressions are whole numbers, so they are all rational.

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4^4x-5= 8^3x-4 solve

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3 years ago

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Marina86 [1]

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2 years ago

In 2008, the price of gasoline was $2.79 per gallon. In 2009, the price of gasoline was

ikadub [295]

Answer:

36%

Step-by-step explanation:

line up $ and % data like this:

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$3.79 represents X%

cross multiply

X*2.79 = 3.79*100

divide both sides by 2.79

X= 3.79*100 / 2.79 ≈ 136%

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