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Find the 20th term of the arithmetic sequence 1, 3, 5, 7, 9, ... * 10

Find the 20th term of the arithmetic sequence 1, 3, 5, 7, 9, ... * 10
asked 151k views
2 votes
Find the 20th term of the arithmetic sequence 1, 3, 5, 7, 9, ... *
10

asked
User Hugmungus
by
7.4k points

1 Answer

2 votes

Answer: 39

Explanation:


a_(n) = 1 + (20-1)2


a_(n) = 1 + (19)2


a_(n) = 1 + 38


a_(n) = 39

answered
User Eephyne
by
8.3k points
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