treasurejude2 treasurejude2

21-06-2021
Mathematics

contestada

If x + y =6, y +z = 7 and z + x =9, what is the average (arithmetic mean) of
x,y and z?

Respuesta :

adriantan2019 adriantan2019

21-06-2021

Answer:

[tex]\frac{22}{3}[/tex]

Step-by-step explanation:

x + y + y + z + z + x = 2x + 2y + 2z = 22

x + y + z = 22

22 ÷ 3 = [tex]\frac{22}{3}[/tex]

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