# SAT MATH

posted by .

If the n^th term of a sequence is n^3 -5n, then how much greater is the 7th term than the 3rd term?

• SAT MATH -

T7 = 7^3-35
T3 = 3^3-15

so, the difference is 306

## Similar Questions

1. ### Math

3,5,-5... The first term in the sequence of #'s shown above is 3. Each even # term is 2 more than the previous term and each odd # term, after the first, is -1 times the previous term. For example, the second term is 3+2, and the third …
2. ### arithmetic

The 8th term of an A P is 5times the third term while the 7th term is 9 greater than the 4th term.what are the first five term
3. ### Maths

The 3rd term of an AP is 10 more than the first term while the fifth term is 15 more than the second term.find the sum of the 8th and 15 term of AP.if the 7th term is seven times the first term.
4. ### Math

Name School Team Event 3: Logic and Reasoning (with calculators) 5th/6th grade Math Meet ‘08 For each number pattern, fill in the next five terms. (2 pts. each blank) ANSWER KEY 1st term 2nd term 3rd term 4th term 5th term 6th term …
5. ### math

The 8th term of ap is 5time the 3rd term, while the 7th term is greater than the 4th term, write the first 5 term of the ap
6. ### math

The 3rd term in an arithmetic sequence is 12, the 7th term is 24, a) How many common differences are there between a_3 and a_7?
7. ### math

Each term in a sequence of numbers, except for the 1st term, is 2 less than the square root of the previous term.If the 3rd term of this sequence is 1, what is the first term?
8. ### mathematics

THE 1ST, 3RD AND 9TH TERM OF A LINEAR SEQUENCE A.P ARE THE 1ST THREE TIMES OF G.P. IF THE 7TH TERM OF THE LINEAR SEQUENCE IS 14. CALCULATE (A) 20TH TERM OF THE LINEAR SEQUENCE (B) SUM OF THE 1ST, 12TH TERM OF THE G.P
9. ### SAT Math

9, 13, 17, 21, ... In the sequence above, each term after the first is 4 greater than the previous term. What is the difference between the 105th term and the 99th term?
10. ### maths

The 8th term of an ap is 5times the 3rd while the 7th term is 9 greater than the 4th term.write the first 5 terms.

More Similar Questions