anonymous
  • anonymous
Find the 2nd term of an arithmetic sequence with t5 = 3 and t7 = 7.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
4 help http://answers.yahoo.com/question/index?qid=20100603083214AAZKISn
anonymous
  • anonymous
Thats No Help
anonymous
  • anonymous
helps with the process

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More answers

eSpeX
  • eSpeX
First thing you need is to find the difference (d) in the terms. How far have you gotten with this problem?
anonymous
  • anonymous
Not Far At All
hartnn
  • hartnn
use the general formula for n'th term, \(\large a_n=a_1+(n-1)d\) put, n= 5 first, what'd u get ?
hartnn
  • hartnn
make that, \(\large t_n=t_1+(n-1)d\)
eSpeX
  • eSpeX
Well to start with, you know that t7 and t5 are two terms apart, 7 - 5 = 2, which means that \(t_7=t_5+2d\). Plug in your values and solve for d.

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