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Earn +20 ptsQ: Is -2pi rational or irrational
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Is the quotient of two irrational numbers is irrational?
In general, no. It is possible though. (2pi)/pi is rational. pi2/pi is irrational. The ratio of two rationals numbers is always rational and the ratio of a rational and an irrational is always irrational.
Does percents are rational or irrational?
It depends on the percentage. A 1 cm arc of a circle whose radius is 1 cm will represent 100*1/(2pi) % = 50/pi % and that is an irrational percentage. A semicircular arc of the same circle will represent 50%, which is rational.
Is a rational plus an irrational equals a rational?
No. A rational plus an irrational is always an irrational.
Is -131 rational or irrational?
rational
Is the sum of a rational and irrational number rational or irrational?
It is always irrational.
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