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Mathematics, 13.09.2021 07:30 Emptypockets451

What is a variable? A. A variable is something we always know and is always
represented by a symbol.
B. A variable is something we do not know and we use a letter to
represent it.
C. A variable is the number in front of the letter in an expression.

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What is a variable? A. A variable is something we always know and is always
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