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Mathematics 13 Online
OpenStudy (anonymous):

3. Find the fifth term in this arithmetic sequence: 3, 7

OpenStudy (anonymous):

An arithmetic sequence has a constant difference

OpenStudy (binary3i):

19

OpenStudy (anonymous):

So what is the difference between the first two terms?

OpenStudy (anonymous):

It's 4, so the terms will be 3, 7, 11, 15, 19

OpenStudy (anonymous):

19

OpenStudy (anonymous):

Or in general, 3+(n-1)*4

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