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Q: What is a symbol in math used to represent a quantity that can change?
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What is the definition of variable in math?

In mathematics, a variable is a symbol that represents a quantity that can change or vary in a given problem or equation. Variables can be used to denote unknown values or to represent values that depend on other factors. They are commonly denoted by letters such as x, y, or z.


What is a math expression example?

A math expression is a symbol or combination of symbols that represents a quantity or a relationship between quantities.


What does a sideways 8 in math represent?

it's the symbol for infinity


What does three dots represent in math?

three dots represents the therefore symbol


Who invented the symbol n in math?

Nobody 'invented' it... letters are often used in maths to signify an unknown quantity.


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

If you are talking about math then its usually " x " but if that is already use in the expression and you want to use another symbol to represent a DIFFERENT number then you can use y or a or so on.


What does the word variable in math terms mean?

A symbol, usually a letter, that is used to represent 1 or more numbers


What is a varible in math?

In math, a variable is a symbol used to represent a value that can change or vary in a mathematical expression or equation. Variables typically are represented by letters such as x, y, or z and can be manipulated to solve problems or evaluate expressions.


What does the symbol u mean in physics?

The symbol 'u' is often used in place of the prefix 'micro-' in math and physics.AnswerThe symbol U is used to represent voltage. In this context, a lower-case 'u' represents an instantaneous AC voltage. In thermodynamics, it is used to represent internal energy.


What does x represent in math?

If you mean the letter x, then it represents an unknown quantity in an equation. If you mean the multiplication symbol, then it represents... well... the operation of multiplication. If it's kind of a weird, script-looking x, it might be a Greek chi, which is used in statistics to represent a particular metric for determining how well a given curve fits a set of data points.


How do you find the quantity in math?

You add and then solve the math


What does varbile mean in math term?

If you mean a variable then it is an unknown quantity that can represent many values until its specific value is determined usually by solving an equation.