Thursday

July 24, 2014

July 24, 2014

Posted by **Anonymous** on Wednesday, February 29, 2012 at 10:47am.

- arithmetic sequence -
**Steve**, Wednesday, February 29, 2012 at 12:39pm6(a+5d) = 15(a+14d)

6a + 30d = 15a + 210d

9a = -180d

a = -20d

a + 20d = -20d + 20d = 0

**Related Questions**

math - the fourth term of an arithmetic progression is equal to 3 times the ...

Arithmetic Sequence - Given the third term of an arithmetic sequence less than ...

Math - The fifth term of an arithmetic progression is three times the second ...

arithmetic - If 10 times the 10 th term of an AP is equal to 15 times its 15 th ...

Arithmetic Progression - In an AP the 6th term is half the 4th term and the 3rd ...

arithmetic - determine the A.P whose fourth term is 18 and the difference of the...

math - An arithmetic series has third term 11. The ninth term is 5 times the ...

maths - There are 6 terms in an A.P. 6th term is 3 times the second term and 4th...

Maths - The 3rd term of an AP is 10 more than the first term while the fifth ...

maths - the sum of first 8 terms of an arithmetic progression is 156.the ratio ...