Karin S. answered • 09/13/16

Reasonable and Reliable Math Tutor

a

_{n}=a_{1}+(n-1)dso first find d and then add it to a

_{1}to come up w the 2nd term.40=5+(4-1)d

35=3d

d=35/3 or 11 2/3

the 2nd term is 5+35/3=50/3

Anna R.

asked • 09/13/16n1= 5

n4= 40

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Karin S. answered • 09/13/16

Reasonable and Reliable Math Tutor

a_{n}=a_{1}+(n-1)d

so first find d and then add it to a_{1} to come up w the 2nd term.

40=5+(4-1)d

35=3d

d=35/3 or 11 2/3

the 2nd term is 5+35/3=50/3

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