SOLUTION: . List the 6 numbers in the sequence from the formula Tn= n(n + 1) ----------- - 2 for n = 4, 5, 6, 7, 8.

Algebra ->  Sequences-and-series -> SOLUTION: . List the 6 numbers in the sequence from the formula Tn= n(n + 1) ----------- - 2 for n = 4, 5, 6, 7, 8.       Log On


   



Question 623099: . List the 6 numbers in the sequence from the formula
Tn= n(n + 1)
-------------
2

for n = 4, 5, 6, 7, 8.



Add your answers to this sequence:
1, 3, 6, _______, ______, ______, ______, ______ . . .

Answer by fcabanski(1391) About Me  (Show Source):
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Substitute n, the number in the sequence, into the formula.


The 4th place, n=4, is 4(5)/2 = 10.

5th place, n=5, is 5(6)/2 = 15.

6th place, n=6, is 6(7)/2 = 21.

7th place, n=7, is 7(8)/2 = 28.

8th place, n=8, is 8(9)/2 = 36.

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