nevclem99 nevclem99

18-12-2020
Mathematics

contestada

What is a 217 for the sequence -10,-7, -4,-1, ...

Respuesta :

nadia2318116 nadia2318116

21-12-2020

Answer:

a(217)=638

Step-by-step explanation:

a(n) = a +(n-1)d

a=-1

d=-7+10=-4+7=3

a(n) = -10 +(n-1)3

a(217) = -10 +(217-1)3

= -10+648

=638

hope this helps

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