Use the formula for the general term? (the nth? term) of an arithmetic sequence to find...

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Use the formula for the general term? (the nth? term) of anarithmetic sequence to find the sixth term of the sequence with thegiven first term and common difference.

a1 =15; d=7

a6 =

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an = a1 + (n - 1)d                                                                                                          

a6 = a1 + (6 - 1)d = 15 + 5 * 7 = 50 (ans)                                                                                                                                                                              


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