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Earn +20 ptsQ: When do you use a variable?
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Why is x always be a variable?
It is very common to use, but it is not the only variable you can use.
What variable do you use to represent the lateral surface area?
You can use any variable that you want.
What is the variable for 500?
there is no variable for 500, but you could use the most commonly known variable X.
How do use substitution when solving system of equations?
You use substitution when you can solve for one variable in terms of the others. By substituting, you remove one variable from the equation, which can then be solved. Once you solve for one variable, you can use substitution to find the other.
How do you determine constant or variable?
By using algebra. You have to isolate the variable and use the constants to find the varaible.
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