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3 years ago

9

Find the 81st term of the arithmetic sequence -10, -25, -40

2 answers:

erik [133]3 years ago

5 0

Answer:

5 - (N x 15)

81 x 15 = 1215

5-1215=-1210

-1210 should be the 81st term

Step-by-step explanation:

Lisa [10]3 years ago

5 0

Answer:

-1210

Step-by-step explanation:

The nth term is -10-(15(n-1)) so

-10-(15(80)=

-10-1200=

-1210

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