Rate

:See also: rates (tax)

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A rate is a special kind of ratio, of two measurements with different units. It is a comparison of two measurements with different units, such as miles to gallons or cents to pounds. For example, suppose you spend 9 dollars on 2 pounds of candy. The rate $9 / 2 pounds compares the money spent to the number of pounds of candy.

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The division operator when dealing with units is sometimes expressed as "per". Also, if the units are expressed without abbreviation, the top unit is usually plural while the bottom is singular. For example, (5 meters)/(3 seconds) may be written as 5/3 meters per second.

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Often rate is a synonimous of rhythm or frequency, such as heart rate or sample rate.

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A unit rate is a rate that is simplified so it has a denominator of 1. This type of rate is frequently used when referring to statistics.

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Ratio: In algebra, a ratio is the relationship between two quantities. It is expressed as the quotient of two numbers, or as two numbers separated by a colon (pronounced "to"). A number that can be written as a ratio of two integers is a rational number. In physics, a ratio between two magnitudes of the ...

Unit: The word unit means any of several things:...

Rhythm: Rhythm (Greek ρυθμός = tempo) is the variation of the duration of sounds or other events over time. When governed by rule, it is called meter. It is inherent in any time-dependent medium, but it is most associated with music, dance, and the majority of poetry. The stud...

Rate related Images and Photos (experimental)

Polar Heart Rate Belt for MYTRAK

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Third Draught of a First Rate

The Biggest Loser SLIMCOACH and Polar Heart Rate Belt from MYTRAK