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Mathematics 8 Online
OpenStudy (anonymous):

What is the pattern for this sequence? 13 , 17 , 21 , 25 , 29 , ... give me the best explanation and i will give you a medal

OpenStudy (solomonzelman):

subtract previous term from the next, fir example 1st term minus second term you will see that every term goes +4 to the previous term.

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