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Earn +20 ptsQ: Is square root of 42 rational or irrational?
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Is 11 over 42 an irrational number?
No because 11/42 is a rational number
What is the square root of 42 in radical form?
Sqrt(42) cannot be simplified.
The square root of 1764?
42 42X42=1764
Is the measure of the hypotenuse of a right triangle with legs that measure 4 and 5 cm a rational number or an irrational number Justify your answer?
Using the Pythagorean Theorem, a2 +b2=c2 where c is the hypotenuse. So if we say that the legs are equal to 4 cm and 5 cm respectively we can rewrite the equation 42+52=c2 -> 16+25=41=c2 so then, c= the square root of 41, which is an irrational number.
Examples of real numbers?
Most numbers are real numbers, but they are called that to distinguish them from imaginary ones. The best example of an imaginery number is the square root of minus 1. This is not a possibility.
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