keymidubon88
keymidubon88 keymidubon88
  • 21-08-2017
  • Mathematics
contestada

Which number produces an irrational number when added to 0.4?

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mathmate
mathmate mathmate
  • 21-08-2017
0.4 is rational.
Any irrational added to a rational is irrational.
Therefore we only need to add ANY irrational to 0.4 to produce an irrational number.
Examples of irrational numbers are: pi, e, sqrt(2), sin(pi/3), tan30 degrees, etc.
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