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2 years ago

15

What is the rate between 78 miles and 3 gallons of gas

1 answer:

Allisa [31]2 years ago

8 0

Answer:

26 miles per gallon

Step-by-step explanation:

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8.5, 8/5, 17/25, 82%

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3 years ago

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Write three words that represent a positive number<br> ASAP PLEASE ‼️‼️‼️‼️‼️

pantera1 [17]

Answer:

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Explantion:

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2 years ago

what is the decimal equivalent of the fraction? 7/12 enter your answer to the nearest thousandths in the box

Likurg_2 [28]

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2 years ago

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17x-3y=4 2x-4y=1 the solution to the system of equations is

Burka [1]

ANSWER

$x=\frac{13}{62}$

and

$y= \frac{-9}{62}$ e have

EXPLANATION

$17x-3y=4---(1)$

$2x-4y=1$

Let us make y the subject and call it equation (2)

$2x=1+4y$

$x=\frac{1}{2}+2y--(2)$

We put equation (2) in to equation (1)

$17(\frac{1}{2}+2y)-3y=4$

$\frac{17}{2}+34y-3y=4$

$34y-3y=4- \frac{17}{2}$

Simplify to get,

$31y= \frac{8-17}{2}$

$31y= \frac{-9}{2}$

Divide both sides by 31,

$y= \frac{-9}{2} \div 31$

$y= \frac{-9}{2} \times \frac{1}{31}$

$y= \frac{-9}{62}$

We put this value in to equation (2) to get,

$x=\frac{1}{2}+2\times -\frac{9}{62}$

$x=\frac{1}{2} -\frac{18}{62}$

We collect LCM to obtain,

$x=\frac{31-18}{62}$

$x=\frac{13}{62}$

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2 years ago