Yes, because 7+5 = 12 which is a rational number
No, it is not.
7 plus the square root of 5 is an irrational number because the square root of 5 is a never ending decimal number that can't be expressed as a fraction.
is 5 over 7 a rational number
Rational
5/4x+7/12x is the same as 15/12x+7/12x = 21/12x
It is an irrational number because it can't be expressed as a fraction
Yes, -5/7 is a rational number because it can be expressed as a fraction.
1). Any number that you can write down completely, using digits, decimal point, and fraction bar, is a rational number. So yes, 5/7 is rational. 2). Any number that can be written as the ratio of two whole numbers is rational. 5/7 is the ratio of 5 to 7. So yes, it is rational.
If you put the numbers in order it is: 0, 0, 1, 2, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 7, 7, 7, 7, 8, 9. Since there are 25 numbers, we are looking for the thirteenth number, which is 5.
Yes
No because 2+7 = 9 which is a rational number
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