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December 20, 2014

December 20, 2014

Posted by **sara** on Monday, March 12, 2007 at 8:29pm.

question is

b^2-2bc+c^2

see if i did the steps right please

(5^2)-(2*5*-4)+(-4^2)

(5^2)-(10*-4)+(-4^2)

(5^2)-(-40)+(-4^2)

5^2-(-40)-4^2

25-(-40)-4^2

25+40-4^2

25+40-16

65-16

49

No. Minus four squred is positive sixteen.

eighty percent of 280 is what number?

draw a diagram of the problem

- algebra check please -
**Bobby**, Saturday, October 6, 2007 at 4:43pm23

- algebra check please -
**Rita**, Thursday, August 28, 2008 at 2:22pm2/3 (7/8 - 4x) - 5/8 = 3/8

multiply 2/3 by 7/8 - 4x

2/3 x 7/8 = 7/12

2/3 x -4x = -8/3x

7/12 - 8/3x - 5/8

-1/24 - 8/3x = 3/8

add -1/24 to both sides

-8/3x = 3/8 + 1/24

-8/3x = 5/12

x = 5/12 / -8/3

x = -15/96 or

answer: x = -5/32

- algebra check please -
- algebra check please -
**christina**, Tuesday, December 16, 2008 at 5:48pm9x-6=30

- algebra check please -
**Angie**, Monday, February 9, 2009 at 6:29pm2x-3y=14 2x+y=-10

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