Thursday

August 21, 2014

August 21, 2014

Posted by **Kate** on Saturday, July 17, 2010 at 11:29am.

- Algebra 2 -
**drwls**, Saturday, July 17, 2010 at 12:23pmHere is how to get the answer using algebra.

L*W = L*(L-3) = 18

L^2 -3L -18 = 0

(L+3)(L-6) = 0

L = 6 or -3

Take the positive root for L. A negative length does not make sense in this case.

Then compute W.

- Algebra 2 -
**amy**, Thursday, August 25, 2011 at 8:37pmwhat is an expression for an area of an equilateral triangle,A, as a function of its diameter,d?

**Related Questions**

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

math - The length, l, of a rectangle is 2 feet less than three times the width, ...

math - I can't seem to figure this out. It is for my study guide. Please help. ...

Algebra/geometry - a rectangle has a width of 4 cm less than it's length. if a ...

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

Algebra - The length of a rectangle is 3 feet less than twice the width of the ...

algebra , help - Can someone help me set up the equations thanks. Directions: ...

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

math117 - The area of a rectangle of length x is given by 3x2 +5x. Find the ...

mat117/algebra - The area of a rectangle of length x is given by 3x^2 + 5x. Find...