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What is the 20th term in the following arithmetic sequence? 1/2, 1, 3/2, 2,... A. 17/2 B. 10 C. 23/2 D. 13
The 20th term in the following arithmetic sequence 1/2, 1, 3/2, 2,... is 10. The common difference = 2 - 3/2 = 3/2 - 1 = 1 - 1/2 = 1/2; 20th term = 1/2 + (20 - 1)*1/2 = 1/2 + 19/2 = 20/2 = 10
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Asked 3/31/2016 6:39:13 PM
Updated 3/31/2016 11:58:16 PM
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The 20th term in the following arithmetic sequence 1/2, 1, 3/2, 2,... is 10.
The common difference = 2 - 3/2 = 3/2 - 1 = 1 - 1/2 = 1/2;
20th term = 1/2 + (20 - 1)*1/2 = 1/2 + 19/2 = 20/2 = 10
Added 3/31/2016 11:58:16 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [4/1/2016 2:43:11 AM], Rated good by Andrew.
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