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170,85,0,-85 find explicit formula for the arithmetic sequence

User Vlad
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2 Answers

4 votes
An= A1 + d(n-1)
An= 170 + (-85)(n-1)
An=170-85(n-1)
An= 170-85n+85

Answer: An=255-85n
User RedFred
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4 votes

Answer:

85 ( 3 - n )

Explanation:

tell if wrong

User Richrad
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