LaurenN14
LaurenN14
07-11-2016
Mathematics
contestada
Can someone tell me how to solve this
Respuesta :
ans4
ans4
07-11-2016
xy=18
y=2x
y = 18/x
y = y
2x = 18/x
2x(x) = 18(1)
2x^2 = 18
x^2 = 18/2
x^2 = 9
so x = square root of 9 = 3
x = 3.
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