arithematic sequence

Find the General term tn if t5=10 and t20=5

1. 👍 0
2. 👎 0
3. 👁 46

Similar Questions

1. Calculus

For the Arithmetic sequence, determine the value of t1, and d. An explicit formula for the general term. And T20. 7/4, 1, 1/4, -1/2 I don't know how to do this the fraction way, but by doing this the decimal way, the common

asked by Anonymous on September 20, 2011
2. Icd10

A patient presents with hypertrophic scarring to her chin from a burn received one year ago. Scar management has failed. What ICD-10-CM codes are reported? Select one: a. T20.03XA, L90.5 b. T20.03XA, T20.03XS, L91.0 c. L90.5,

asked by Michelle on March 22, 2017
3. Math

b) an explicit formula for the general term (2 marks) c) t20 (2 marks) 7/4, 1, 1-4, -1/2

asked by Alex on September 18, 2014
4. Math

For each arithmetic sequence, determine a) the value of t1 and d (2 marks) b) an explicit formula for the general term (2 marks) c) t20 (2 marks) 3a, 3a – 2b, 3a – 4b, 3a – 6b, …

asked by Alex on September 19, 2014
5. Math

For each arithmetic sequence, determine a) the value of t1 and d (2 marks) b) an explicit formula for the general term (2 marks) c) t20 (2 marks) 7/4, 1, 1/4, -1/2

asked by Alex on September 18, 2014
6. Math

a) the value of t1 and d (2 marks) b) an explicit formula for the general term (2 marks) c) t20 (2 marks) 3a, 3a – 2b, 3a – 4b, 3a – 6b, …

asked by Alex on September 18, 2014
7. Maths progression

In an AP whose first term is 2,the sum of first five term is one fourth the sum of the next five terms.show that T20=-112. Find S20.

asked by Mickey on August 12, 2015
8. math+ check!

the following sequence is geometric: 4/3, 4/9, 4/27.... determine the general term, tn and the term t10 so the general term is: (4/3)x (1/3) ^n so the tenth term is: 4/177147 is this correct? thanks! You have one too many factors

asked by adam! on October 19, 2006
9. Math binomial formula and sequence

a) use the binomial formula to find the 5th term of the expansion (2x - 3)^8 ------ i got 90720x? b) Find a_n, the general term for a geometric sequence, given that the fourth term, a_4 is 16 and the seventh term is -128 c) Find

asked by Kiirsty on May 25, 2014
10. Algebra

Find the general term in simplest form for the sequence 2,1,-4,7,-10,13,-16. There's an addition of 3 with alternating signs I think but I'm unable to find a general term.

asked by Emily on November 26, 2017

More Similar Questions