math help?

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A. Solve the sequence formula Tn= 4n2 for n.
B. what term of the sequence is 196

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tn=1000-3(n-1)

A. find n when tn= 850
B. which term of the sequence is 850?

2007-09-17 15:51:39 · 1 answers · asked by moviefan254 1 in Science & Mathematics ➔ Chemistry

1 answers

Please use "^" to indicate a power.
Problem 1, n= sqrt(Tn/4)
From this relation, n=7 and Tn=196

Prolem 2. Set tn=850 and solve for n
Since the 1st term according to the formula is 1000, the n+1 term of the sequence is 850.

2007-09-17 16:08:00 · answer #1 · answered by cattbarf 7 · 0⤊ 0⤋