Results 1 to 4 of 4

Math Help - Arithmetic Sequence

  1. #1
    Junior Member
    Joined
    Jan 2010
    Posts
    60

    Arithmetic Sequence

    In a given arithmetic sequence t1 is 5x+2y and t3 is 11x-y. What is the value of t2 in this sequence.

    Please explain this to me and if possible show the steps, i am so confused
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Master Of Puppets
    pickslides's Avatar
    Joined
    Sep 2008
    From
    Melbourne
    Posts
    5,234
    Thanks
    27
    Quote Originally Posted by nuckers View Post
    In a given arithmetic sequence t1 is 5x+2y and t3 is 11x-y. What is the value of t2 in this sequence.

    Please explain this to me and if possible show the steps, i am so confused
    The sequence is arithmetic so add them together and divide by 2.
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Junior Member
    Joined
    Jan 2010
    Posts
    60
    thats what i did and i got 8x+.5y and apparently i was told that it was wrong, so i'm really confused over it
    Follow Math Help Forum on Facebook and Google+

  4. #4
    Master Of Puppets
    pickslides's Avatar
    Joined
    Sep 2008
    From
    Melbourne
    Posts
    5,234
    Thanks
    27
    I also get that

    \frac{(5x+2y)+( 11x-y)}{2} = \frac{ 16x+y}{2} = 8x+\frac{y}{2}<br />

    You are correct unless you have not understood and copied the question correctly
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Arithmetic Sequence
    Posted in the Algebra Forum
    Replies: 4
    Last Post: April 21st 2011, 11:27 PM
  2. Replies: 2
    Last Post: August 24th 2010, 02:10 AM
  3. Arithmetic Sequence help!
    Posted in the Algebra Forum
    Replies: 2
    Last Post: March 15th 2009, 05:34 PM
  4. Arithmetic Sequence
    Posted in the Algebra Forum
    Replies: 1
    Last Post: November 19th 2008, 02:10 PM
  5. Replies: 12
    Last Post: November 15th 2006, 12:51 PM

Search Tags


/mathhelpforum @mathhelpforum