Wednesday

July 23, 2014

July 23, 2014

Posted by **Sammi** on Monday, February 15, 2010 at 8:33pm.

Okay, so in class we're learning about Systems of Equations. What are the equations for this? How do I define the variables?

- Math -
**PsyDAG**, Tuesday, February 16, 2010 at 11:18am2W + 2L = perimeter = 74

2W = 74 -2L

2(2W) + 2(L/2) = 76

Substitute 74 - 2L for 2W in the last equation and solve for L. Put that value in the first equation to find W. Check by putting both values into the last equation.

**Related Questions**

Geometry - The perimeter of a rectangle is 76 feet. If the width is doubled and ...

maths - the length of a rectangle is 3 less than 5 times its width. Write a ...

Math - The length of a rectangle is 14 centimeters less than twice its width. ...

math - the length of a rectangle is equal to triple the width. which system of ...

math - A RECTANGLE HAS A WIDTH OF X CENTIMETERS AND A PERIMETER OF 8X ...

MATH - A RECTANGLE HAS A WIDTH OF X CENTIMETERS AND A PERIMETER OF 8X ...

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

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

math - the length of a rectangle is 5 ft more than twice the width. a)if x ...

algebra - the difference between the length and width of a rectangle is 5 ...