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Anonymous Anonymous
  • 01-09-2016
  • Mathematics
Answered

Determine the position of a given value.


-3,-8,-13,..........,-58


( what position is -58, in other words )

Verified Answer :

Anonymous Anonymous
  • 01-09-2016

\(-58=-3+(n+1)(-5)\) 

\(-58=-3-5n+5\) 

\(-58=2-5n\) 

\(-60=-5n\) 

\(-60/5=-5n/5\) 

\(n=12\) 

\(-58 \ is \ in \ the \ 12th \ position\)

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