Monday

April 21, 2014

April 21, 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**

college physics - air flows through a main duct at a mass flow rate of 4kg/s ...

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

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

algebra - A furnace duct forks into 2 ducts. Flow coming in is 2300cfm. If flow ...

Maths calculus - A rectangular box has a square cross-section and the sum of its...

mathematics - Please help me answer this question; 1.A metal gutter open at the ...

science - water flows steadily through a horizontal pipe of non uniform cross ...

Integrals/Related Rates(?)/Volume - Fluid is flowing in a tube that has a radius...

geometry - a piece of rectangular sheet metal is 20 in. wide. It is made into a ...

PHYSICS!!! - A liquid (ñ = 1.65 g/cm3) flows through a horizontal pipe of ...