tinagross11 tinagross11

21-03-2020
Mathematics

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the sum of two numbers is 17 and their product 60

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bellamrobb2 bellamrobb2

21-03-2020

y = 60/x
xy=60
x + y = 17
x + 60/x = 17
x^2 - 17x + 60 = 0
(x-12)(x-5) = 0, x = 5, 12

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