Wednesday

August 20, 2014

August 20, 2014

Posted by **jeanne** on Sunday, December 9, 2012 at 8:36pm.

- math/algebra -
**Bosnian**, Sunday, December 9, 2012 at 11:13pmL = W + 5

A = L * W

( W + 5 ) * W = 66

W ^ 2 + 5 W = 66

W ^ 2 + 5 W - 66 = 0

Solutions of equation are :

W = - 11

and

W = 6

Length can't be negative so :

W = 6 cm

Proof:

L = W + 5 = 6 + 5 = 11

A = L * W = 11 * 6 = 66 cm ^ 2

**Related Questions**

Algebra 0110 College - 1) A rectangle has perimeter 38 feet and an area of 78 ...

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

College Algebra/Geometry - What size should be the frame be? Suppose an artist ...

math - A frame maker made a large picture using 10 feet of frame molding. If the...

calculus - What size should be the frame be? Suppose an artist has a circular ...

Alg 2 - a rectangular picture frame measures 8 inches by 4 inches. You want to ...

Trig - Please EXPLAIN the steps on how to solve these problems. Please provide ...

Maths B - A builder uses 120 m of metal rod to make a rectangular frame with two...

math - The area of a frame is equal to 120in^2.it surrounds a 4in x 6in photo....

Math - A rectangular picture frame has a perimeter of 3f.The width of the frame ...