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mart [117]
3 years ago
11

Which of the following equations could be used to solve for the tenth term of the following sequence? 15, 13, 11, 9, ...

Mathematics
1 answer:
kifflom [539]3 years ago
6 0
This is an arithmetic sequence, where the first term (a) is 15 and the common difference (d) is -2.
The general formula for the nth term of an arithmetic sequence is:
n_{th\ term} =a+(n-1)d
Therefore the required equation is:
10_{th} \ term=15+(10-1)\times-2
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