mathbellend mathbellend

10-07-2021
Mathematics

contestada

the mean of three numbers is four what is the missing number
the two that are shown are 1 and 9
help

Respuesta :

BDEsama BDEsama

10-07-2021

(1+9+x)/3=4 thus 10+x=12 x=2 number is 2

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alexaaa123455 alexaaa123455

10-07-2021

Answer:

the answer is 2

Step-by-step explanation:

1+2+9=12

12/3 = 4

mean = average and the average is 4

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