Wednesday

December 17, 2014

December 17, 2014

Posted by **tyler** on Thursday, February 28, 2008 at 7:43pm.

write an expression in terms of x to represent the volume of concrete contained in the sidewalk. explain how you got your expression.

- math -
**drwls**, Thursday, February 28, 2008 at 8:53pmIf x is the width in feet, the volume in cubic feet is

[(30 + 2x)(20 + 2x)- 30*20]*(1/4)

That expression can be simplified somewhat by canceling out the 600's.

**Answer this Question**

**Related Questions**

Algebra - A rectangular swimming pool that is 10 ft wide by 16 ft long is ...

ap calc - A pool, that is 12 feet wide and 18 feet long, is to have a sidewalk ...

Algebra - width W or a rectangular swimming pool is 7x^2. The area of the pool ...

Physics - A sidewalk is to be constructed around a swimming pool that measures (...

To ; Ms sue or other math helpers - A rectangular pool has a length 2m shorter ...

Math - In order to swim one mile in a rectangular pool, I must swim the length ...

Algebra 2 URGENT - Solve the problem. Round answer to the nearest hundredth. ...

math - The perimeter of a rectangular pool is 84 feet. The width of the pool is ...

math - A rectangular pool's depth is 1m at the shallow end and gradually ...

math - dimensions of a pool the perimeter of a rectangular swimming pool is 192 ...