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Q: What rule method of 7 9 11 13 15 17?

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The rule is t(n) = 5 + 2*n, where n = 1, 2, 3, ...

11/15 is bigger than 13/20

15 + 13 + 11 = 39

13 - 15 - 1 + 11 = 8

It is: (11+15)/2 = 13

The rule that generates the sequence is Un = 9 + 2n (for n = 1, 2, ...

11/15= 11 Ã· 15= 0.73313/20= 13 Ã· 20= 0.65therefore 11/15 is bigger than 13/20.

LCM(11, 13, 15) = 2145

For the values: 15, 13, 11 the LCM is: 2,145

No. 11 and 13 are factors of 143, 15 has no relation.

The average mean is: (11+12+13+14+15)/5 = 13

Not in that order. They are consecutive odd integers in this order: 11 13 15.

It is 11/15.

13

13

1 is a common factor of 11, 12, 13, 14 and 15.

11 13 15 17 19

The rule is Un = 0.5n2 + 0.5n + 5

It is 15

3 + 11 + 11 + 11 + 12 + 13 + 15 + 15 + 16 + 17 + 19 = 143

First put them in order:11, 12, 13, 15, 16, 26, 26.Then use your fingers the numbers at the opposite ends:11, 12, 13, 15, 16, 26, 26.Then keep moving in11, 12, 13, 15, 16, 26, 26.11, 12, 13, 15, 16, 26, 26.Until you come to the middle:11, 12, 13, 15, 16, 26, 26.So the median is 15.

(13 + 15 + 26 + 11 + 26 + 16 + 12)/7 = 17 ====

11 and 13 are prime numbers but 15 is a composite number because it has more than two factors

the answer is twelve

13