Question 417188
The sum of two numbers equal 8.5 and a product of 18 what are the numbers?
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x+y = 8.5
xy = 18
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Substitute and solve for "y":
x = 8.5-y
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(8.5-y)y = 18
8.5y-y^2 = 18
y^2-8.5y+18 = 0
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Solve using the quadratic formula.
Then solve for "x";
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Cheers,
Stan H.