Friday

September 19, 2014

September 19, 2014

Posted by **simranpreet** on Monday, December 3, 2012 at 6:23am.

please help this questions .please help.

- maths -
**Reiny**, Monday, December 3, 2012 at 9:25am8th term is 37 ----> a+7d = 37

12th term is 57 ---> a + 11d = 57

subtract them:

4d = 20

d = 5

into a+7d=37

a+35=37

a = 2

A.P. is 2 7 12 17 ....

**Answer this Question**

**Related Questions**

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

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

Precalc - Find a formula for the nth term if... a)the 8th term is 8 and the 20th...

Maths - 1) In the arithmetic progression, the 8th term is twice the 4th term and...

maths - If told that the 3rd term of a GP is 36 and the 8th term is 8748. find ...

Math - The nth term of an A.P. Is 3 times the 5th term.(a)find the relationship ...

math - The 8th term of ap is 5time the 3rd term, while the 7th term is greater ...

arithmetic - The 8th term of an A P is 5times the third term while the 7th term ...

Maths - In an A.P ratio of 3rd term and 5th term is 3:7. a)Find the ratio of the...

arithmetic progression - the 9th term of an AP is 52 while the 12th term is 70. ...