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ELEN [110]
3 years ago
15

10x +2y = 64

Mathematics
1 answer:
Musya8 [376]3 years ago
5 0

Answer:

<h2>x = 4, y = 12 → (4, 12)</h2>

Step-by-step explanation:

\left\{\begin{array}{ccc}10x+2y=64&\text{multiply both sides by 2}\\3x-4y=-36\end{array}\right\\\underline{+\left\{\begin{array}{ccc}20x+4y=128\\3x-4y=-36\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad23x=92\qquad\text{divide both sides by 2}\\.\qquad x=4\\\\\text{put the value of x to the first equation:}\\\\10(4)+2y=64\\40+2y=64\qquad\text{subtract 40 from both sides}\\2y=24\qquad\text{divide both sides by 2}\\y=12

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A)3

Step-by-step explanation:

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5 0
2 years ago
Read 2 more answers
Please help i keep getting the wrong answers
Mrrafil [7]

Answer:

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Pachacha [2.7K]

Answer:

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Divide the weight of pecans by the percent of mixed nuts to find how many pounds of pecans equal 1% of the mixed nuts:

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Now multiply that number by 100 to get 100% of mixed nuts:

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2 years ago
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Answer:

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Hope this helps

3 0
3 years ago
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