Yahoo Answers: Answers and Comments for Identify two arithmetic means between  31 and  10.? [Mathematics]
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From Adam
enUS
Fri, 19 Jul 2019 20:21:05 +0000
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Yahoo Answers: Answers and Comments for Identify two arithmetic means between  31 and  10.? [Mathematics]
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From Mike G: Difference between the extreme values = 21
To...
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Fri, 19 Jul 2019 23:59:46 +0000
Difference between the extreme values = 21
To get 2 arithmetic means 21/3 = 7
Answer 24 and 17

From Captain Matticus, LandPiratesInc: 31 , 31 + d , 31 + 2d , 10
10 = 31 + 3d...
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Fri, 19 Jul 2019 20:32:35 +0000
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

From JSG: 10  31 = 21
To have 2 means there has to be...
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Sat, 20 Jul 2019 14:34:04 +0000
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

From sepia: Two arithmetic means between  31 and  10:
2...
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Sat, 20 Jul 2019 07:29:16 +0000
Two arithmetic means between  31 and  10:
24, 17

From Φ² = Φ+1: 31 = (31*3 + 10*0)/3 and 10 = (31*0 + 10...
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Fri, 19 Jul 2019 22:57:12 +0000
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

From Puzzling: Between 31 and 10 is a difference of +21
In...
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Fri, 19 Jul 2019 21:17:59 +0000
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 doublecheck, notice that adding 7 again gets you to the upper number.
17 + 7 = 10
Answer:
24 and 17

From Anonymous: 4 and 8 ...
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Fri, 19 Jul 2019 20:33:10 +0000
4 and 8 .

From Anonymous: Arithmetic means are always between. You can ...
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Fri, 19 Jul 2019 20:27:19 +0000
Arithmetic means are always between. You can find the arithmetic mean OF 31 and 10. and it is 20.5