206k views
5 votes
Three arithmetic means between 3 and negative 13

1 Answer

1 vote

Answer:

- 9, - 5, - 1

Explanation:

Calculate the mean of 3 and - 13, that is


(3-13)/(2) =
(-10)/(2) = - 5

That is

- 13, - 5, 3

Now find the mean of - 13 and - 5, and - 5 and 3


(-13-5)/(2) =
(-18)/(2) = - 9


(-5+3)/(2) =
(-2)/(2) = - 1

Thus

- 13, - 9, - 5, - 1, 3

User Rurouniwallace
by
6.9k points