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Mathematics 20 Online
OpenStudy (anonymous):

9,15,21,27...... based on the pattern, what are the next two terms? 33,972 or 33,39 or 39,45 or 162,972?

OpenStudy (nikato):

Do u see a pattern?

OpenStudy (anonymous):

no im terrible at these

OpenStudy (anonymous):

something about 6

OpenStudy (nikato):

Ok.so 9+_=15 15+_=21 What number can go in the blank?

OpenStudy (nikato):

Ok, 6. Do u add or subtract?

OpenStudy (anonymous):

add i found the answer thanx that was actually easy

OpenStudy (nikato):

Ok. Just checking. The answer should be33 and 39

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