EBeast7390
09.07.2019 •
Mathematics
Which would the phrase twice the difference of a number and five look like as a variable expression
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Ответ:
We have to represent the phrase "twice the difference of a number and five" as variable expression.
A variable expression is a mathematical phrase that can contain ordinary numbers, variables (like x or y) with operations as addition, subtraction ,multiplication and division.
Let the number be 'x'.
Twice of a number =
The difference of '2x' and 5 = 2x - 5
Therefore, the variable expression representing the given phrase is "2x-5".
Ответ:
Step-by-step explanation:
It means that <DCA = <BCA or that
5x = 60 Divide by 5
5x/5 = 60/5
x = 12