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Daniel [21]
2 years ago
6

One positive integer is 5 times another positive integer and their product is 320. What are the positive integers?​

Mathematics
1 answer:
NeTakaya2 years ago
7 0
Answer by CubeyThePenguin(3113) (Show Source): You can put this solution on YOUR website!
x = 5y
xy = 320

Substitute the first equation into the second equation
(5y)(y) = 320
5y^2 = 320
y^2 = 64
y = 8 (y must be positive)

The integers are (x, y) = (40, 8).
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<em>Then the written function in the form of vertice is</em>

y = 9(x +\frac{1}{2}) ^ 2 -\frac{13}{4}

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