Sunday

April 20, 2014

April 20, 2014

Posted by **bob** on Sunday, January 29, 2012 at 4:04pm.

- algebra -
**Damon**, Sunday, January 29, 2012 at 4:36pmx(x+7) = 450

x^2 + 7 x - 450 = 0

x = [ - 7 +/- sqrt (49+1800) ] / 2

x = [ - 7 +/- sqrt (1849) ] / 2

x = [ -7 +/- 43 ]/2

x = 18

x+7 = 25

**Related Questions**

math - a rectangular parking lot has a length that is 10 yards greater than the ...

math - a rectangular parking lot is 110 yards long and 45 yard wide it costs ...

algebra - the length of a rectangular parking lot is 3 meters less than twice ...

Math - Patricia's teacher asked her to find the perimeter of the school's ...

Algebra - The length of a rectangular parking lot is 4 times its width w. The ...

Calculus - a college is planning to construct a new parking lot. the parking lot...

Calculus - a college is planning to construct a new parking lot. the parking lot...

geometry - A parking lot has seventy-three parking spaces numbered from 1 to 73...

MATHS - Could you please help? The Christmas tree store has a parking lot that ...

MATHS - Could you please help? The Christmas tree store has a parking lot that ...