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March 25, 2017

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"The combination is the seventh, ninth, and eleventh numbers in a sequence that begins 1,1,2,3,5,8,13, and so forth"
What is the combination?
I have a problem with this can you help?

  • Math - ,

    The adjoning two numbers are added together.

    1 + 1 = 2
    1 + 2 = 3
    2 + 3 = 5

    and so on

  • Math - ,

    This sequence is the Fibonacci sequence. Every number in this sequence is the sum of the two previous numbers:

    1+1 = 2
    1+2 = 3
    2+3 = 5
    3+5 = 8
    5+8 = 13

    The first seven numbers of the sequence are given, so to find the next four numbers add the two previous numbers.
    Then you get:

    1,1,2,3,5,8,13,21,34,55,89

    So, the seventh, ninth, and eleventh numbers of this sequence are:
    13,34 and 89

  • THANKS - ,

    THANKS! I really didn't get it and everyone got it but me in my class.:D

  • Math - ,

    You are encountering the wonderful world of the Fibonacci numbers.

    Google: Fibonacci numbers

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