Posted by Renriki on Tuesday, October 13, 2009 at 8:48pm.
"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 - Ms. Sue, Tuesday, October 13, 2009 at 8:52pm
The adjoning two numbers are added together.
1 + 1 = 2
1 + 2 = 3
2 + 3 = 5
and so on
- Math - Christiaan, Tuesday, October 13, 2009 at 8:54pm
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:
So, the seventh, ninth, and eleventh numbers of this sequence are:
13,34 and 89
- THANKS - Renriki, Tuesday, October 13, 2009 at 8:56pm
THANKS! I really didnt get it and everyone got it but me in my class.:D
- Math - Reiny, Tuesday, October 13, 2009 at 9:17pm
You are encountering the wonderful world of the Fibonacci numbers.
Google: Fibonacci numbers
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