SOLUTION: Given a1=3 and a5=17 (the first and fifth number numbers in an arithmetic sequence), what is the 20th term?
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Question 1197589: Given a1=3 and a5=17 (the first and fifth number numbers in an arithmetic sequence), what is the 20th term?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
Given:
an arithmetic sequence formula is:
find common difference
............since given
your formula is:
then, the th term will be:
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