Results 1 to 2 of 2

Math Help - Summation/Sigma equation

  1. #1
    Newbie
    Joined
    Nov 2008
    Posts
    1

    Summation/Sigma equation

    A puzzle I'm am trying to find a solution to - I need to find the values for x & y. I don't really know how to go about it. Any help or answers would be appreciated.

    Follow Math Help Forum on Facebook and Google+

  2. #2
    Newbie
    Joined
    Nov 2008
    Posts
    2

    applications of differential equations

    Radium decomposes at a rate proportional to the amount present. If p percent of the original amount disappears in l years, how much will remain after 2l years?
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. sigma/summation problem
    Posted in the Algebra Forum
    Replies: 9
    Last Post: February 16th 2011, 03:35 AM
  2. Show intersection of sigma-algebras is again a sigma-algebra
    Posted in the Advanced Statistics Forum
    Replies: 1
    Last Post: November 20th 2010, 07:21 AM
  3. how to determine sigma and sgn(sigma) for matrices
    Posted in the Advanced Algebra Forum
    Replies: 2
    Last Post: May 16th 2010, 11:12 AM
  4. approximating area, sigma sum/limit equation
    Posted in the Calculus Forum
    Replies: 2
    Last Post: May 13th 2010, 09:06 PM
  5. Summation Notation (Sigma) Help
    Posted in the Pre-Calculus Forum
    Replies: 1
    Last Post: January 18th 2007, 06:20 PM

Search Tags


/mathhelpforum @mathhelpforum