Answered

1. Which of the following statements is not true about variables?

A. Any letter can be used as a variable.
B. Mathematical operations can be performed on variables.
C. More than one variable might be used in a situation.
D. The variable must be the letter x.
E. A variable is a placeholder for an unknown number.



Answer :

GinnyAnswer

Final answer:

Variables in mathematics act as placeholders for unknown numbers and can be represented by any letter, not strictly limited to x.


Explanation:

Variables in mathematics are symbols used to represent values that may change. They act as placeholders for unknown numbers, allowing for flexibility in mathematical equations. Variables can be represented by any letter and are not limited to the letter x.


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