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number sequence

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A cylinder is to be filled with peas. 2012-06-12
Silje pose la question :
Hi! How can I solve the following question without the use of a calculator?

"A cylinder is to be filled with peas. It is done like this: At 12:00 o'clock you put 1 pea in, at 12:01 you put 2 peas in, at 12:02 you put 4 peas in, at 12:03 you put 8 peas in, and so on. This continues until 14:00 o'clock (two hours later), when the last peas are put in and the cylinder is full. At what time is the cylinder half full?"

Robert Dawson lui répond.
The sequence 2,3,5,5,8,7,11 2011-01-19
taylor pose la question :
number relationship in number sequence 2,3,5,5,8,7,11
Chris Fisher and Penny Nom lui répond.
A sequence of number pairs 2002-01-10
Terry pose la question :
Three is the first number of a pair, and 8 is the second.

a. If 50 is the first number, what is the second number?
b. If 200 is the first number, what is the second number?
c. If 89 is the second number, what is the first number?
d. If a number n is the first number, what is the second number?

3-8
4-11
5-14
6-17
____
____
____
10-29
____
____
____

Peny Nom lui répond.
Number sequences 2001-11-17
Stephanie pose la question :
My name is Stephanie. My grade 7 math class is studying number sequences and, to me, they make almost no sense at all. Here I wrote down 2 of the many problems I have for homework and was wondering if you could explain them to me (I have to find the next 3 numbers in each sequence.) It would be a big help!

10, 14, 18, 22, _, _, _.

12, 21, 39, 75, _, _, _.


Penny Nom lui répond.
Find the rule 2000-10-27
Kelsa and Linda pose la question :
Find the rule: It had 13 in a circle then 2 blank circles then 31 in a circle then two more blank circles. Could you please help us.
Penny Nom lui répond.
Number sequences 1999-11-11
Justin Schessler pose la question :
I CAN NOT figure out this sequence or how we continue this sequence...

3,2,6,5,15,14,___,___,___
Chris Fisher and Harley Weston lui répond.

 
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