he sum of the first three terms of an arithmetic sequence is 111 and the fourth term is 49. What is the first term? Possible Answers an=4n+4. Explanation: these are the terms of an arithmetic sequence. the n th term of this sequence is. ∙xan=a+(n−1)d
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Answer:
4n+4
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he sum of the first three terms of an arithmetic sequence is 111 and the fourth term is 49. What is the first term? Possible Answers an=4n+4. Explanation: these are the terms of an arithmetic sequence. the n th term of this sequence is. ∙xan=a+(n−1)d