Mathematics: Select “rational” or irrational to classify each number

Select “rational” or irrational to classify each

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jeisleen6808

01.06.2020

Mathematics

0.02 is rational. 2 is rational. Square root of 2 is irrational. The last one is irrational.

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redrhino27501

26.10.2022

Mathematics

$1.5555...=1.\overline{5}=1.(5)\\\\x=1.5555...\ \ \ |multiply\ both\ sides\ by\ 10\\10x=15.5555...\\\\10x-x=15.5555...-1.5555...\\9x=14\ \ \ \ |divide\ both\ sides\ by\ 9\\\\x=\frac{14}{9}\\\\\boxed{x=1\frac{5}{9}}$

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