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Mathematics 17 Online
OpenStudy (anonymous):

Which of the following is an example of a variable? A.3 B. sq root of 12 C. 5 sq. D.y

OpenStudy (ivettef365):

do you know what is a variable??

OpenStudy (ivettef365):

A symbol for a number we don't know yet. It is usually a letter like x or y

OpenStudy (anonymous):

Any numbers are not variables! So the letter "y" is a variable because any number can be substituted for "y". Variables are letters which hold the place of a number

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