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8 August, 12:02

The average of two numbers is 41.375 and their product is 1668 what are their numbers?

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  1. 8 August, 12:19
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    A) x * y = 1668

    B) (x + y) / 2 = 41.375

    B) 2x + 2y = 82.75

    x = 1668/y

    2 * (1668/y) + 2y = 82.75

    Multiplying both sides by "y"

    3336 + 2y^2 = 82.75y

    2y^2 - 82.75y + 3336 = 0

    Used an online quadratic equation calculator

    x1 = 20.688 plus 35.214 i

    x2 = 20.688 minus 35.214 i

    I don't know if I did that correctly.
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