Monday

July 28, 2014

July 28, 2014

Posted by **Anonymous** on Sunday, October 16, 2011 at 5:08pm.

- arithmetic progression -
**Reiny**, Sunday, October 16, 2011 at 5:19pma = 7

a+9d = 2(a+d)

9d +a = 2a+ 2d

7d = a

7d=7

d=1

19th term = a+18d =7+18(1) = 25

- arithmetic progression -
**Anonymous**, Tuesday, January 29, 2013 at 4:24ama=7,a+9d=2(a+d),9d+a=2a+2d,7d=9,7d= 7,d=1,19th term=a+18d=7+18(1)=25

- arithmetic progression -
**PRAISE**, Tuesday, March 4, 2014 at 11:05am14

**Related Questions**

maths - Given that the first term of an A.P is 7 and its 10th term is twice its ...

arithmetic - given that the first term of an Ap is 7 and its 10th term is twice ...

Community technical college - Given that 1st term of an A.P is 7 and it's 10th ...

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

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

arithmetic - Each term of a progression is determined by adding 0.5 to the ...

arithmetic - first term and larst term of a geometric progression is 42.if the ...

Maths - 1..The first 2 terms of a geometric progression are the same as the ...

Math Algebra - The first term of a geometric progression is more than the third ...

Maths - If 9th term of an arithmetic progression is 0, prove that its 29th term ...