mvcarrea mvcarrea
  • 14-08-2021
  • Mathematics
contestada

Find the value of x
2,8,9,7,6x ; the mean is 6

Respuesta :

averyfan1843
averyfan1843 averyfan1843
  • 14-08-2021

Answer:

x=2/3

Step-by-step explanation:

The mean is just the average of all the terms. Therefore, you can set up an algebraic expression to solve for x.

[tex]\frac{2+8+9+7+6x}{5} =6[/tex]

[tex]2+8+9+7+6x=30\\26x+6x=30\\6x=4\\x=4/6=2/3\\x=2/3[/tex]

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