What is a variable? a. A variable is an unknown number or value represented by a letter c. A variable represents a change in value b. A variable always represents the total amount d. A variable is always

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asked Jan 14, 2016 130k views

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What is a variable?

a.
A variable is an unknown number or value represented by a letter
c.
A variable represents a change in value
b.
A variable always represents the total amount
d.
A variable is always represented by the letter x

Mathematics
high-school

Gary Forbis asked

by Gary Forbis

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Answer: A

Step-by-step explanation: nope

Hampus Brynolf answered Jan 16, 2016

by Hampus Brynolf

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A variable is an unknown number or value represented by a letter.

For example find the missing variable:

2x - 3 = 9

Dannybrown answered Jan 19, 2016

by Dannybrown

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