elsmontealvocruz elsmontealvocruz

18-05-2021
Mathematics

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What's the 25th term if the first term is 3 and the common difference is -21

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mckiverdiamond mckiverdiamond

18-05-2021

Answer:

this is an arithmetic sequence problem

-5,-1,3,7,...

a25=-5+(25-1)4 (look at the other problem that I did)

a25=-5+24*4

a25=-5+96

a25=91

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