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They are used to represent known and unknown values in equations. Usually x, y, and z are unknown; and a, b, and c are known. But u can use anything to represent anything! It helps to solve for unknowns that you need to figure out!

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12y ago

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Related Questions

A symbol used to represent a quantity that can change?

A variable


What is a symbol used to represent a quantity that can be changed?

Variable


A symbol that is used to represent a quantity that can change?

It is called a variable.


What is a symbol used to represent a quantity that can change called?

It is called a variable.


What is a letter used to represent an unknown quantity?

Unknonwn quantity is any variable a,b,c or x,y


What is a letter or symbol used to represent an unknown quantity?

A letter or symbol used to represent an unknown quantity is typically called a variable. In mathematics, common variables include letters such as ( x ), ( y ), and ( z ). These variables can stand for different values in equations and expressions, allowing for the representation of general cases and relationships between quantities.


What is an unknown quantity represented by a letter?

In mathematics, an unknown quantity represented by a letter is usually called a variable. Variables are used to symbolize values that can vary in an equation or formula. They allow us to write general expressions that can represent multiple possible scenarios.


What do you call a symbol used to represent the unknown quantity in an equation?

x or any other variable


A symbol that stands for an unknown quantity?

In maths the symbols x and n are usually used to represent an unknown quantity. These may be referred to as a variable.


What is done to a variable to represent a unknown quality?

Nothing specifically is "done" to the variable; variables are generally used to represent either:* A quantity that is initially unknown (and should be solved for), or * A quantity that can be anything - to analyze what happens no matter what a certain value is.


What represents an unknown or changeable value?

In mathematical expressions, a variable (a letter used to represent a certain value) represents an unknown or changeable value. It is often the variable x.


What does the letter n represent in maths?

In math, the letter "n" is commonly used as a variable to represent a number that is not specified. It is often used in equations and formulas to indicate a variable quantity that can take on different values.