addieraejones2006 addieraejones2006

09-12-2020
Mathematics

contestada

Determine if the sequence is arithmetic. If it is, find the common difference, the 52nd term, and the explicit formula.
13) 4, 16, 36, 64, ...
14) 40, 30, 20, 10, ...

Respuesta :

nadia2318116 nadia2318116

10-12-2020

Step-by-step explanation:

13) the difference does not equal So

It is not arithmetic

14)It is arithmetic

d= 30-40=20-30=10-20=-10

explicit formula:

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

a(n) = 40 +(n-1)-10

a(52) = 40 +(52-1)-10

=40-5100

=-5060

hope this helps

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