jermy3
jermy3
27-03-2018
Mathematics
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What’s the correct answer
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Banabanana
Banabanana
27-03-2018
[tex]a_n=a_{n-1}+7 \ \ \to \ \ d=7 \\ \\ a_n=a_1+d(n-1) \\ a_n=17+7(n-1) \\ a_n=17+7n-7 \\ a_n=7n+10[/tex]
The answer is B. a_n = 7n+10
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