matthewryan15 matthewryan15
  • 03-07-2020
  • Mathematics
contestada

Find the three arithmetic means between ­4 and 16.

Respuesta :

PollyP52 PollyP52
  • 03-07-2020

Answer:

7, 10 and 13.

Step-by-step explanation:

If there are 3  means between 4 and 16 then:

16 is obtained by  adding the common difference 4 times:

(16 - 4)/4 = 12/4 = 3 = common difference.

So the 3 arithmetic means are 4+3, 4 +2*3, 4 + 3(3)

That is 7, 10 and 13.

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