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Earn +20 ptsQ: What represents an unknown or changeable value?
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Continue Learning about Other Math
What is the total value of pi?
It is unknown and it usually just represented as pi. It represents the ratio between the circumference and the diameter.
A letter or symbol that represents an unknown number?
A variable.
What phrase represents the algebraic expression x - 3?
Unknown Variable
What is the expression for eleven decreased by a number?
The expression for eleven decreased by a number can be written as 11 - x, where x represents the unknown number being subtracted from eleven. This expression represents the operation of subtraction, where the value of x will determine the final result after subtracting from eleven.
Which of these expressions always represents a negative value Which of these expressions always represents a positive value?
None of "these" expressions represent anything!
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