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Q: Why is the nth term n2 5 if the sequence is 6 9 14 21 30?

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If the nth term is n*7 then the first 5 terms are 7, 14, 21, 28, 35.

The nth term is 25-4n and so the next term will be 5

It is: 27-2n

81

A single number, such as 1521273339 does not define a sequence. There is no nth term for a signle number.

n'th term: n^2 + 5

after -9 it is -15 then -21, -27 and the ninth is -36

1st term= 3 2nd term = 5 Nth term = 2n+1 10th term= 21 = 2(10)+1

You can see that all the numbers go up by 7. This means that the first part of the nth term rule for this sequence is 7n. Now, you have to find out how to get from 7 to 3, 14 to 10, 21 to 17 ... this is because we are going up in the 7 times table. To get from the seventh times table to the sequence, you take away four. So the answer is : 7n-4

The nth term is n2 + 4n.

tn = 2x2 + 3 where x = 1, 2, 3, ...

nth term = 5 +8n

> since the value rises by nine at each step and the first term is 12 the formula for > the nth term is: 12+(n-1)*9 Which simplifies to Sn = 9n + 3

The nth term of an arithmetic sequence is given by. an = a + (n – 1)d. The number d is called the common difference because any two consecutive terms of an. arithmetic sequence differ by d, and it is found by subtracting any pair of terms an and. an+1.

There are infinitely many possible answers. But the simplest is Un = 33 - 3n for n = 1, 2, 3, ...

Looks like 57: 12+9=21, +9=30, +9=39, +9=48, +9=57.

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1, 3, 6, 10, 15 ,21 The nth term for the sequence (where you replace n with the term you want to find) is: (n(n+1))/2

2n +29

-4, -3, 0, 5, 12, 21, 32

It is 4n+5 and so the next term will be 25

It is 5n-4 and so the next term will be 21

91

5n+1

the anser is that you are stupid