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evenredigheid
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in mathematics, two variables are proportional if a change in one is always accompanied by a change in the other, and if the changes are always related by use of a constant
Proportionality means that when one thing changes, another thing changes in a predictable way—always by the same ratio or constant. This matters because it lets us predict how one thing will behave based on changes in another, which is useful for everything from cooking recipes to understanding how speed and distance relate to each other.
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Article · Nederlands
Evenredigheid is in de wiskunde het verband tussen twee grootheden waarbij de verhouding of het product constant is en niet nul. In het eerste geval is het verband recht evenredig, in het tweede omgekeerd evenredig. De term evenredig is bedacht door de wetenschapper Simon Stevin.
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