Saturday

October 25, 2014

October 25, 2014

Posted by **shakira.shakira** on Sunday, February 27, 2011 at 6:48am.

- math -
**Reiny**, Sunday, February 27, 2011 at 8:29amlet the sequence be

15 , 15+d, 15+2d, 15+3d, and 17

then 17 - (15+3d) = d

17 - 15 - 3d = d

-4d = -2

d = 1/2 or .5

the inserted numbers are 15.5, 16, and 16.5

**Answer this Question**

**Related Questions**

Math - A sequence is called an arithmetic progression of the rst order if the di...

Math (Geometric Progression) - 5 distinct positive reals form an arithmetic ...

Math - 5 distinct positive reals form an arithmetic progression. The 1st, 2nd ...

arithmetic - Two arithmetic progression have thd same first and last terms.the ...

math - There are two positive numbers that can be inserted between 3 and 9 such ...

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

Arithmetic - The first, second and third terms of a geometric progression are 2k...

AP Calculus - The 9th term of an arithmetic progression is 4+5p and the sum of ...

maths - 1) The first term of arithmetic progression is -20 and the sum of it's ...

AP calculus - The consecutive terms of an arithmetic progression are 5-x, 8, 2x...