Raymond B. answered • 08/23/23
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Math, microeconomics or criminal justice
x + 30 = 400/x
x^2 +30x = 400
x^2 +30x -400 = 0
(x+40)(x-10) = 0
x=10
10 +30 = 400/10 = 40
Shauntel S.
asked • 12/01/21The sum of a positive number and 30 is 400 times the reciprocal of the number
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