Math

Calculate s50 for the arithmetic sequence defined by (an)=(71-2.3n)

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  1. do it the same way I just showed you

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  2. I’m having trouble would I do a(50)=71-(2.3n)(50)

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  3. a(50)=71-(2.3n)(50)

    doesn't even remotely resemble the formula I gave you.

    What was your a ? What was your d ??

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