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3 years ago

Help please thank you

Mathematics

2 answers:

mylen [45]3 years ago

5 0

Answer:

arithmetic

Step-by-step explanation:

11,22,33,44,55,.....

We add 11 each time

11+11=22

22+11=33

33+11=44

44+11=55

There is a common difference so the sequence is arithmetic.

astraxan [27]3 years ago

4 0

Answer:

Step-by-step explanation:

Second question

The second one is arithmetic. Each term has 11 added to it to get from one term to the next one. The key word is added. That makes it arithmetic.

a1 = 11

d = 11

an = a1 + (n - 1)*11

Example

n = 3

a3 = 11 + (3 -1)*11

a3 = 11 + 2*11

a3 = 11 + 22

a3 = 33 which it does.

First question

I see no way of getting either arithmetic or geometric. I agree with your answer.

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