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Step2247 [10]
2 years ago
12

Which of the following statements about variables is false? a. Mathematical operations can be performed on a variable. b. The va

riable will always be the letter x. c. A mathematical statement can include more than one variable. d. A variable is a letter used to represent an unknown quantity.
Mathematics
1 answer:
tamaranim1 [39]2 years ago
6 0

Answer:

  b. The variable will always be the letter x (false)

Step-by-step explanation:

Variables can be any letter or symbol. The letter x is often used as a variable, but that is not the only choice. Many formulas, for example, make use of variables that have letters reminding you what they stand for.

For example, the formula ...

  A = 1/2(b1 +b2)h

uses the variables A, b1, b2, and h to represent area, base-1, base-2, and height, respectively. The letter x is not used at all.

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