Results 1 to 2 of 2

Thread: Sequences, Series, etc.

  1. #1
    Junior Member
    Nov 2009

    Exclamation Sequences, Series, etc.

    1) A tree is 10 m tall and grew 180 cm last year. Its height increases each year by 80% of the previous year's growth. Find the height of the tree five years from now and the ultimate height of the tree.

    2) Pat borrows $30000 at 9% pa reducible montly to be repaid in 60 equal montly instalments of $622.75. With the 12th payment, Pat repays an extra $5000. After this payments continue at $622.75 per motnh. How many more repayments will be needed?

    I got these questions completely wrong during the exams Could someone please show me how to do them?
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor
    Apr 2008
    1. The ultimate height of the tree in meters:

    10 + 0.18 \sum_{n=1}^\infty 0.8^n
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Series and sequences
    Posted in the Discrete Math Forum
    Replies: 4
    Last Post: November 5th 2009, 05:49 AM
  2. Sequences and series..
    Posted in the Calculus Forum
    Replies: 4
    Last Post: September 27th 2008, 01:05 PM
  3. Sequences and Series
    Posted in the Math Topics Forum
    Replies: 1
    Last Post: May 14th 2008, 03:38 AM
  4. Sequences and Series - Power Series Question
    Posted in the Calculus Forum
    Replies: 3
    Last Post: April 20th 2008, 07:32 PM
  5. Series and Sequences
    Posted in the Algebra Forum
    Replies: 2
    Last Post: August 15th 2006, 01:48 PM

Search Tags

/mathhelpforum @mathhelpforum