2 years ago

Which of the following sets does not contain any irrational numbers?

Mathematics

2 answers:

dusya [7]2 years ago

7 0

Answer:

{ 9/2 , square root of 100, 5.123}

Step-by-step explanation:

ser-zykov [4K]2 years ago

5 0

Answer:

C/ the third one

Step-by-step explanation:

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EastWind [94]

Answer:

Step-by-step explanation:

$\sqrt{25^2-7^2}\\\\=\sqrt{(25-7)(25+7)}\\\\=\sqrt{18(32)}\\\\=\sqrt{9*2*2^5}\\\\=\sqrt{3^2\cdot 2^6}\\\\=\sqrt{(3\cdot2^3)^2}\\\\=3\cdot2^3\\\\=3\cdot8\\\\=24$