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Anna11 [10]
3 years ago
6

There is an inverse relationship between x and y. If y is when x is 3, what is x when y is 9?

Mathematics
1 answer:
maria [59]3 years ago
3 0
For example, y = k/x; when x = 3 => k = 3y; when y = 9 => k = 27  and x = 27/9 = 3;
The answer is 3!
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Solve this system of equations using substitution. Put your answer in ordered pair form, (x,y).
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-3x - y = -3
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substitute y = 3x - 3 into the first equation.

2x + 5y = 2
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solve for x in 17x - 15 = 2

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substitute x = 1 into y = 3x - 3

y = 3x - 3
y = 3(1) - 3
y = 3 - 3
y = 0

(1, 0) << the answer

hope this helped, God bless!
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