Respuesta :

Answer:

Value of x = 16

Step-by-step explanation:

Given:

Mean value = 10

Numbers; 4, 8, x, 12

Find:

Value of x

Computation:

Mean = Sum of all numbers / Total Number

10 = (4 + 8 + x + 12) / 4

40 = 24 + x

x = 16

Value of x = 16

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