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30-09-2016
Mathematics

contestada

Which number is a solution of the inequality of 6>Z(10-z)

Respuesta :

02-10-2016

If you would like to solve the inequality 6 > z * (10 - z), you can do this using the following steps:

6 > z * (10 - z)
6 > z * 10 - z^2
z^2 - 10z + 6 > 0
1. z > 5 + sqrt(19) = 9.36
2. z < 5 - sqrt(19) = 0.64

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