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Q: Is 3 over 12 a rational or irrational number?

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Rational.

rational

It is a rational number

It is a rational number. An irrational number is a decimal that is infinite and has no repition or pattern.

-12 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.

It is irrational.

12 is the ratio of 12 and 1 ... nice and rational.

Integers are rational. Also, terminating decimal numbers, as well as repeating decimals (such as 3.12121212..., where "12" repeats over and over) are rational.

The square root of 144 is 12 which is a rational number

It is not an irrational number but is each of the others.

It can be written as a fraction, so it is rational.

Any integer, whether positive or negative, is a rational number.

12 is a rational number. Incidentally, there is no such time as 12 am or 12 pm: they are 12 noon and 12 midnight. Furthermore, if it was a time then it would not be a number (numbers do not have measurement units associated with them) and so it could not be rational.

No because 12 is a rational number that can be expressed as an improper fraction in the form of 12/1

-13/12 is a rational number

No because 12 is a rational number that can be expressed as an improper fraction in the form of 12/1

rational

12 is the ratio of 12 and 1 ... nice and rational.

sqrt(144) = 12. 12 is the ratio of 12 to 1, so it's nice and rational.

Irrational.

All integers, whether positive or negative, are rational numbers.

No, it is rational.

-18

6.5 is a rational number because it can be expressed as a fraction

No, it is rational. The number simplifies to 32 / 10,000,000,000,000

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