Mathematics, 07.04.2021 05:30 jenniferkane408

The first term in an arithmetic sequence is -5 and the last term is 40. If the common difference is 3, find the:
i) number of terms in the sequence. (16)
ii) sum of all the terms in the sequence. (280)

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The first term in an arithmetic sequence is -5 and the last term is 40. If the common difference is 3, find the:i) number of terms in the sequence. (16)ii) sum of all the terms in the sequence. (280)​

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Another question on Mathematics

The first term in an arithmetic sequence is -5 and the last term is 40. If the common difference is 3, find the:
i) number of terms in the sequence. (16)
ii) sum of all the terms in the sequence. (280)