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alexgriva [62]
3 years ago
10

3. Which one of the following is an arithmetic sequence?

Mathematics
1 answer:
valentina_108 [34]3 years ago
7 0
Hi,

A is an arithmetic sequence
U(n)=U(n-1)+3

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I need help quick please help me thnak you
quester [9]

Answer:

28 numbers

Step-by-step explanation:

There is a distance of 81 between -0.5 and 80.5. Divide this number by 3, since you are only counting every third number and you will get 27, but you need to count the first number, which has been excluded. Add one more to get the answer, 28.

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Answer:

4 and -4

Step-by-step explanation:

Because 4 to the left of 0 is negative and 4 to the right is positive

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Paha777 [63]
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