# Identify two arithmetic means between - 31 and - 10.?

### 8 Answers

- 5 months ago
-10 - -31 = 21

To have 2 means there has to be 3 sections so 21/3 = 7

-31+7=-24

-24+7=-17

The two arithmetic means are -24 and -17

- Mike GLv 75 months ago
Difference between the extreme values = 21

To get 2 arithmetic means 21/3 = 7

Answer -24 and -17

- Φ² = Φ+1Lv 75 months ago
-31 = (-31*3 + -10*0)/3 and -10 = (-31*0 + -10*3)/3

The two arithmetic means are:

(-31*2 + -10*1)/3 = -72/3 = -24 (and if you knew the multiple choice answers then that will be enough), and

(-31*1 + -10*2)/3 = -51/3 = -17

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- PuzzlingLv 75 months ago
Between -31 and -10 is a difference of +21

In order to have *two* means, we want to divide that into *three* sections:

21/3 = 7

So add 7 to get to the first mean:

-31 + 7 = -24

And 7 again to get to the second mean:

-24 + 7 = -17

As a double-check, notice that adding 7 again gets you to the upper number.

-17 + 7 = -10

Answer:

-24 and -17

- Anonymous5 months ago
4 and -8 .

- 5 months ago
-31 , -31 + d , -31 + 2d , -10

-10 = -31 + 3d

-10 + 31 = 3d

21 = 3d

7 = d

-31 , -31 + 7 , -31 + 2 * 7 , -10

-31 , -24 , -17 , -10

-24 and -17

- Anonymous5 months ago
Arithmetic means are always between. You can find the arithmetic mean OF -31 and -10. and it is -20.5

Adam: Either you mis-typed the second possibility, or the answer is "none of the above." Give props to the Captain.

Thank you!