paigeeepoo paigeeepoo

12-11-2019
Mathematics

contestada

PLEASE ANSWER FAST 15 POINTS!

Which number is IRRATIONAL?

√49 √64 √72 √121

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notanotherusername notanotherusername

12-11-2019

7*7=49 Therefore it's rational

8*8=64 Therefore it too is Rational

11*11=121 So... Rational

9*8=72 - it does not divide into itself as a perfect square and therefore is irrational.

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