Wednesday

August 27, 2014

August 27, 2014

Posted by **danica** on Friday, October 19, 2012 at 5:37pm.

If it is 3in longer than it is wide then what is its length and width. i need both equation and answer

- algebra -
**PsyDAG**, Friday, October 19, 2012 at 6:37pmArea = Length * Width

If W = x, then L = x+3

40 = x^2 + 3x

x^2 + 3x - 40 = 0

(x+8)(x-5) = 0

For each possible value of x, find x+3.

- algebra -
**Shell**, Sunday, October 21, 2012 at 11:58amx cannot be negative, so only one of the two possible number for x is correct.

**Related Questions**

Algebra - A rectangular counter top is 16 inches longer than it is wide. If the ...

spc - a long strip of sheet metal 12 inches wide is to be formed into an open ...

pre-calc - construction of a rain gutter: a piece of rectangular sheet metal is ...

algebra - I need help with this question... Find the area of a rectangular ...

Algebra - Find the area of a rectangle heating-duct grill having a length of 2yd...

basic geometry - A rectangle has width the same asa a side of a square whose ...

Algebra - A rectangular picture is 4 inches longer than it is wide. The picture ...

basic geometric - 10. a rectangle has width the same as a side of a square whose...

Algebra Homework, HELP! - 1) A rectangle has an area of 297 square inches and a...

Math - Hello there! Could You please help me with this Geometry word problem? ...