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No because 2+7 = 9 which is a rational number

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Q: Is 2 plus 7 irrational
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Related questions

Is 7 plus the square root of 5 irrational and why?

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 the Square root of 15 plus the square root of 7 irrational or rational?

It is irrational


Is the square root of 7 plus 8 irrational?

Yes the result would be an irrational number.


Why an irrational number plus an irrational number equal a rational?

That simply isn't true. The sum of two irrational numbers CAN BE rational, but it can also be irrational. As an example, the square root of 2 plus the square root of 2 is irrational.


What is an irrational number between 5 and 7?

4*sqrt(2) Rational multiples of irrational numbers are irrational. sqrt(2) is about 1.414, and 5/4 = 1.25 < 1.414... < 1.75 = 7/4 so 4*sqrt(2) is between 5 and 7, and is irrational.


Is 5 plus the square root of 7 rational or irrational?

It is an irrational number because it can't be expressed as a fraction


Is 1 plus the square root of 7 rational or irrational?

The square root of any positive integer can only be a WHOLE NUMBER or IRRATIONAL, so the square root of 7 is irrational.On the other hand, the sum of a rational and an irrational number is always irrational.


Is a rational plus an irrational equals a rational?

No. A rational plus an irrational is always an irrational.


Is root 3 plus root 2 irrational?

yes.


Is 2 divided by 7 an irrational number?

0.2857


What numbers will produce an irrational number when multiplied by 0.4?

Every irrational number, when multiplied by 0.4 will produce an irrational number.


What 7 plus 5 plus 4divide by 2 plus 7?

7 + 5 + 4 ÷ 2 + 7 = 21