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An arithmetic sequence has a first term of 10 and the common difference of 4. Determine the partial sum of the first 18 terms. Answers: (A) 88 (B) 658 (C) 792 (D) 1,584

An arithmetic sequence has a first term of 10 and the common difference of 4. Determine the partial sum of the first 18 terms. Answers: (A) 88 (B) 658 (C) 792 (D) 1,584
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An arithmetic sequence has a first term of 10 and the common difference of 4. Determine the partial sum of the first 18 terms. Answers: (A) 88 (B) 658 (C) 792 (D) 1,584

asked
User Malene
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1 Answer

3 votes

Answer: (C) 792

Explanation:


S_(18)=(18)/(2)[2(10)+(18-1)(4)]=792

answered
User Bohdan Ivanov
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