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13-12-2017
Mathematics

contestada

Write a recursive rule for the following arithmetic sequence: 27, 24, 21, 18, 15,

Respuesta :

MathisLif3 MathisLif3

13-12-2017

a1+(n-1)d
27-3(n-1)
n=4, 27-3(4-1)=27-9=18

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