Saturday

April 19, 2014

April 19, 2014

Posted by **Patricia** on Saturday, November 6, 2010 at 7:48pm.

N=(n^2-9n)/20

- Algebra II -
**Reiny**, Saturday, November 6, 2010 at 8:24pmn^2 - 9n = 20N

n^2 - 9n - 20N = 0

use the quadratic formula where

a=1

b= -9

c = 20N

- Algebra II -
**Patricia**, Saturday, November 6, 2010 at 9:22pmthanks!

**Related Questions**

algebra 1 - given;n+8(n+20)=110 1;n+8n+20=110 2;9n+20=110 3;9n=110-20 49n=90

Pre-algebra - 9n+5-9-9n

Simplifly variable Expressions - I need help on justify each step. 5(n+4)+9n=(5+...

math algebra - 20(1/5n-3/4)+9n if n = 4

math algebra - 20(1/5n-3/4)+9n in need of the simplified answer i came up with ...

math algebra - 20(1/5n-3/4)+9n in need of the simplified answer i came up with ...

CALC II - Determine the convergence of the following series using the nth-...

MATH - Adding and Subtracting Rational Expressions there are two problems I get ...

Math - 20(1/5n - 3/4) + 9n

Algebra II - Solve this system using matrices. 3.7x - 2.3y + 4.2z = 8 2.6x + 4....