mddaye09 mddaye09
  • 12-06-2018
  • Mathematics
contestada

Why do we use variables, and what is the significance of using them in expressions and equations?

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19greenlymoos 19greenlymoos
  • 12-06-2018
variables are letters from the end of the alphabet
Economics always uses the firsts letter of whatever that letter is representing.

 An expression such as 4x3 is a variable. It can assume different values because x can assume different values.
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