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OpenStudy (anonymous):
A monument is built out of toothpicks. There are 30 rows and each row has seven more toothpicks than the row above. The top row has five toothpicks. How many toothpicks are on the bottom row? explain the procedure used to answer this question. I think I would use arithmetic sequence.
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OpenStudy (anonymous):
Yes, you would.
OpenStudy (anonymous):
@Numb3r1 an=a1+(n-1)d?
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