25-04-2020
Mathematics

contestada

Can someone tell me how this is wrong

Can someone tell me how this is wrong class=

Respuesta :

profarouk profarouk

25-04-2020

Answer:

y = 17

Step-by-step explanation:

We have five values : 2 , 5 , 7 , y , 9

and the mean = 8

this means :

[tex]\frac{2+5+7+y+9}{5} =8\\\\then\\\\23+y = 8*5\\\\then\\\\y = 40 - 23\\\\then\\\\y=17[/tex]

Verification: (2+5+7+17+9)÷5 = 8

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