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06-02-2020
Mathematics

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The arithmetic mean of the numbers 4, 9, 3, 2, x, 5 and 1 is 4. Find x.

Respuesta :

Аноним Аноним

06-02-2020

Answer:

x = 1

Step-by-step explanation:

(4 + 9 + 3 + 2 + x + 5)/6 = 4

(4 + 9 + 3 + 2 + x + 5) = 6×4

(4 + 9 + 3 + 2 + x + 5) = 24

x = 24 - (4 + 9 + 3 + 2 + 5)

x = 24 - 23

x = 1

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