SOLUTION: For the given sequence, identify if it is an aritmetic sequence by answering yes or no. If yes, then identify the common difference. 1. 1/6,1/3,1/2,2/3 For these quesion

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Question 189470: For the given sequence, identify if it is an aritmetic sequence by answering yes or no. If yes, then identify the common difference.

1. 1/6,1/3,1/2,2/3

For these quesions please find the missing term of each arithmetic sequence.(?) means number that goes there?
8,(?),20

3.5,(?),12.5

Answer by user_dude2008(1862)   (Show Source): You can put this solution on YOUR website!
1. 1/6,1/3,1/2,2/3

Sequence is arithmetic, common difference is d = 1/6 (subtract any term from next term to find it)


8,(?),20

8+20=28 ---> 28/2=14

Missing number is 14

Sequence is 8, 14, 20 ----> arithmetic common difference d=6




3.5,(?),12.5

3.5+12.5=16 ---> 16/2 = 8

Missing # is 8

sequence: 3.5, 8, 12.5 ----> arithmetic common difference d=4.5

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