2donnieflorezor37vi 2donnieflorezor37vi

06-03-2018
Mathematics

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find the arithmetic mean an of an-1=3.9 and an+1=7.1

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sqdancefan sqdancefan

06-03-2018

a[n] = (a[n-1] +a[n+1])/2 = (3.9 +7.1)/2 = 11/2 = 5.5

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applelulu applelulu

07-05-2019

The arithmetic mean is 5.5

So therefor the answer is 5.5

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