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What is meant by the order of operations?
1. a set of rules used...
Mathematics, 08.06.2021 02:10 angebaez91
Choose the correct answer.
What is meant by the order of operations?
1. a set of rules used to determine the proper order for performing operations in an expression that involves more than one operation
2. a value, usually in the form of a letter or symbol, that can change or that represents an unknown quantity
3. an equation that expresses a mathematical rule or relationship
4. a ratio that is used to convert one unit of measurement to a different unit of measurement
Answers: 1
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Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14
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