
Algebra PreAlgebra and Basic Algebra Math Forum 
 LinkBack  Thread Tools  Display Modes 
March 22nd, 2011, 06:28 AM  #1 
Member Joined: Nov 2010 Posts: 39 Thanks: 0  Arithmetic Progression help! for hours i've been dealing with this problem and yet i cant really solve it. can you please help me with this one. PROBLEM The fifth term of an arithmetic sequence is 24 and the sum of the first 10 terms is 265. write the first three terms of the sequence. please help me. thank you in advance. 
March 22nd, 2011, 07:02 AM  #2 
Global Moderator Joined: Oct 2008 From: London, Ontario, Canada  The Forest City Posts: 7,945 Thanks: 1136 Math Focus: Elementary mathematics and beyond  Re: Arithmetic Progression help!
(1): sum of an arithmetic series: (2): nth term of an arithmetic progression: From (1): (3) From (2): (4) Multiply (4) by 10: (5) Subtract (5) from (3): First 3 terms: 4, 9, 14 . . . 

Tags 
arithmetic, progression 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
arithmetic progression  will.i.am1  Algebra  14  May 29th, 2013 06:27 AM 
Arithmetic Progression  Daksh  Algebra  3  November 22nd, 2012 09:08 PM 
Arithmetic progression  Algebra  2  April 5th, 2012 09:46 PM  
Arithmetic Progression  Trafford99  Algebra  7  February 28th, 2012 03:07 PM 
arithmetic progression  panky  Algebra  4  November 17th, 2011 07:05 AM 