1. Calculate how many pavers there are to a square foot. First, multiply the length of one paver in inches by its width in inches to find the square inches. Divide the square inches
http://www.ehow.com/how_12126804_calculatepavers...

1. Divide the amount of the substance at one point in time by the amount remaining after a period of time. The formula for calculating half life is as follows: t. 1/2. = t * ln(2)
http://www.wikihow.com/CalculateHalfLife

Volume of a cylinder is (to find half, divide by 2) V. cylinder. = A. base. * height. In a cylinder, the base is a circle and the area of a circle can be found: A. circle. = pi *
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The end goal of active noise cancellation is to cancel out the waveform, for which the inverse wave is required. For the most basic waves (sine waves), shifting the wave by half a
http://www.quora.com/Whydoesactivenoisecancell...
