Math, asked by purnimagoidani1234, 9 months ago

the Arithmetic mean of x, x + 3 X + 6 X + 9 and X + 12

Answers

Answered by Pranjal7905

1

Answer: Hope it is right

Step-by-step explanation:

Attachments:

Answered by sharvanikulkarni

0

Answer:

4x+7

Step-by-step explanation:

mean is average.

arithmetic mean

= sum of all numbers/total numbers

=(x) +(x+3x+6x+9) +(x+12) /3

= x+x+3x+6x+9+x+12/3

= 12x+21/3

= 3(4x+7)/3

= 4x+7

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