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Sonbull [250]
3 years ago
5

{-3+y=8}{-x+y=2} solving linear system by graphing

Mathematics
1 answer:
valentinak56 [21]3 years ago
6 0
Get the y alone.

-3+y=11
+3 on both sides

y=14 = y intercept

-x+y=2
Add x to both sides of the equation

Y= 2 + x
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Answer:

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Pieces of copper that Arsenio needs in total = 27 pieces

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Since, the length of each piece is 2/9 foot, the length of 27 pieces would be:

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This means, Arsenio needs 6 feet in total for the copper tubing. Since he got 8 feet in total, he has sufficient amount of tubing available.

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