delaneydetro0 delaneydetro0

13-02-2017
Mathematics

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Find the 20th term of an arithmetic sequence with a first term of 3 and a common difference of 5

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rebelbound rebelbound

13-02-2017

So just keep subtracting 5 from three or do 5 times 20 - 3. that equals - 97

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Lorenzo07 Lorenzo07

13-02-2017

it's 98...

a₂₀=3+5(20-1)

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