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17-06-2022
Mathematics

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find x if the mean of 30,x,12,40 and 10 is equal to x

Respuesta :

FromEarth FromEarth

17-06-2022

Answer:

x = 23

Step-by-step explanation:

Mean = 30+x+12+40+10/5

x = 30+x+12+40+10/5

5x = 30+x+12+40+10

5x-x = 30 + 12 + 40 + 10

4x = 92

x = 92/4

x = 23

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