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Yes. Although it can also be used for constants whose value is not yet known.

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Q: Is a variable used to represent a quantity whose value may change or vary?
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Related questions

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.


A quantity whose value changes?

A variable


What is the difference between constants and variables?

A variable is a quantity which changes its value through out the program or its lifetime. But a constant is a quantity which does not change its value through out its life time. There are 5 basic constants.


Is a value a number that represents a quantity or an amount?

Yes, a value can represent a quantity or amount.


Quantity that can have more than a single value?

It is variable


A quantity that can have more than a single value?

It is variable


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.


What quantity do units represent in a value?

they show the magnitude


A letter used to represent a value?

a variable


How does a change in the value of an input variable affect the value of an output variable?

The change in the input value is equalto the change in the output value.


What is a dependent quantity?

the output of a function; a variable whose value depends on the value of the input.


What is depended quantity?

the output of a function; a variable whose value depends on the value of the input.