Math, asked by makhanikarararuna, 2 months ago

The numbers 4 and 9 have frequencies x and
(x - 1) respectively. If their arithmetic mean is 6,
then x is equal to :
(1) 2
(2) 3
(3) 4
(4) 4

Answers

Answered by rshooda1321

1

answer is 2becaus

Step-by-step explanation:

4(x-1)=9(x-1)

4x-4=9x-9

-5x= -10

so x =2

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