does not represent a rational number because the square root of 6 is not a perfect square. 
This represents a rational number because the square root of 64 is a perfect square which is 8 and if added to a fraction you will get a rational number. 
represents a rational number because they are both a perfect square. The square root of 16 is 4 and the square root of 169 is 13. 
represents a rational number because since 17.43 repeating can be expressed as a fraction, and the square root of 49 is a perfect square, if added together they will generate a rational number. 
Does not represents a rational number because the square root of 44 is not a perfect square and when you add an irrational number and an rational number then you will get an irrational number. 
Which expressions represent rational numbers? Check all that apply...
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Mathematics, 28.08.2020 01:01, TACOSDAILY
Which expressions represent rational numbers? Check all that apply...
Answers: 3
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