# What is the formula for finding the mass of air?

The mass (or density) of dry air varies according to elevation, pressure, and temperature, but may be calculated using a variation of the Ideal Glass Law, pV = nRT, which can be simplified to Ï = ... Read More »
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## How to Find the Square Root of a Number That Doesn't Have a Perfect Square?

The square root of a number multiplied by itself yields that number. Some numbers are perfect squares such as 25 (five times five) and 100 (10 times 10). Other numbers are not perfect squares. Alth... Read More »
http://www.ehow.com/how_6375804_square-number-doesn_t-perfect-square.html

## What is the formula for square inches?

The area of a rectangle is equal to one side multiplied by the other side. This is measured as square inches, or inches squared. The area of a square that has two five-inch sides is 25 square inche... Read More »
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## How to Solve Polynomials by Finding the Root?

One of the cornerstones of algebra, polynomials are numeric expressions that use both letters, or variables, and numbers. On a graph, polynomials that are squared appear as parabolas. To work with ... Read More »
http://www.ehow.com/how_8053207_solve-polynomials-finding-root.html

## What is the formula to figure square footage of the floor space in a room?

Square feet = Length in Feet x Width in FeetFor example: 10' x 8' = 80 sq. ftBut say the room isn't square... for example, you want to include the size of the closet.Break the room up into squares.... Read More »
http://wiki.answers.com/Q/What_is_the_formula_to_figure_square_footage_of_the_floor_spa...

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