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The product of two numbers is 120 and the sum of their squares is 289. The sum of the number is: ?->(Show Answer!)
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1. The product of two numbers is 120 and the sum of their squares is 289. The sum of the number is:





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  • By: guest on 01 Jun 2017 05.48 pm
    Let the numbers be x and y. Then, xy = 120 and x2 + y2 = 289. (x + y)2 = x2 + y2 + 2xy = 289 + (2 x 120) = 529 x + y = 529 = 23.
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