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PLEASE HELP Find an equation for the nth term of the arithmetic sequence. a18 = 97, a20 = 281
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PLEASE HELP

Find an equation for the nth term of the arithmetic sequence.

a18 = 97, a20 = 281

User Iutinvg
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1 Answer

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a20-a18=a1+19d-a1-17d=2d =281-97 so d=92
User Vigilancer
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