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The nth term of a sequence is 3n+4 explain why 21 is not a term of this sequence
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The nth term of a sequence is 3n+4
explain why 21 is not a term of this sequence

User Lokheart
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In this sequence, n can only be a natural number. So, if you plug in 5 for n, then you get 19. Also, if you plug in 6 for n, you get 24. Since no natural number can be replaced with n to get 21, it isn’t a term in the sequence

User Jpemberthy
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What is the solution? −10=2a−4 a=−7 a=−3 a = 3 a = 7
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