SOLUTION: Determine which term of the arithmetic sequence : 3, 5, 7...is equal to 27

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Question 1020784: Determine which term of the arithmetic sequence : 3, 5, 7...is equal to 27
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi  

arithmetic sequence: 3, 5, 7...

 a%5Bn%5D=a%5B1%5D%2B%28n-1%29%2Ad  | d = 2

 27 = 3 + (n-1)2

 27 = 3 + 2n - 2

  26 = 2n

  13 = n

Which term of the arithmetic sequence : 3, 5, 7...is equal to 27 highlight%2813%29 term

 arithmetic sequence: 3, 5, 7,9,11,13,15,17,19,21,23,25,27....