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Mathematics 11 Online
OpenStudy (anonymous):

I still don't get this. Maybe if someone posted the base formula I would understand better? Find the missing term of the following sequence. ...-45,_,-12... A.-19.5 B.-33 C.-28.5 D.-21

OpenStudy (anonymous):

only two terms are given?

OpenStudy (anonymous):

yeah

OpenStudy (anonymous):

well, assuming its arithmetic progression, the middle term will be average of the two

OpenStudy (anonymous):

so -28.5?

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