Seudónimo Seudónimo
  • 13-11-2018
  • Mathematics
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Select the correct answer from each drop-down menu.
Consider the first four terms of an arithmetic sequence below.

Select the correct answer from each dropdown menu Consider the first four terms of an arithmetic sequence below class=
Select the correct answer from each dropdown menu Consider the first four terms of an arithmetic sequence below class=
Select the correct answer from each dropdown menu Consider the first four terms of an arithmetic sequence below class=
Select the correct answer from each dropdown menu Consider the first four terms of an arithmetic sequence below class=

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Аноним Аноним
  • 13-11-2018

The explicit formula for an arithmetic sequence is  an = a1 +  d(n - 1)   where a1 is the first term and d = common difference.  For this sequence  a1 is 7 and  d =  13- 7 = 19 - 13 = 25 - 19 = 6

So explicit formula required = 7 + 6(n - 1)

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