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Two numbers have a sum of -10 and a product of -11.  What is the value of the positive number, to the nearest tenth?

 Jul 9, 2021
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x + y = -10 and xy = -11, from the second equation we get, y = -11/x. Sub that into the first equation, we get x - 11/x = -10. Can you take it from here?

 Jul 9, 2021

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