3 years ago

PROBLEM 2 What is the greatest common factor of 15 and 30?

Mathematics

2 answers:

seropon [69]3 years ago

7 0

Answer: 15

Step-by-step explanation:

Liono4ka [1.6K]3 years ago

4 0

Answer:

$15 = 3 \times 5 \\ 30 = 3 \times 5 \times 2 \\ \\ \: \: \: \: \: \: \: = 3 \times 5 \\ \: \: \: \: \: \: \: = 15$

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Square root of 32 x square root of 1 over 18

lisov135 [29]

<h3>Solution:</h3>

$\sqrt{32} \times \sqrt{ \frac{1}{18} } \\ = \sqrt{32} \times \frac{ \sqrt{1} }{ \sqrt{18} } \\ = \sqrt{32} \times \frac{1}{ \sqrt{18} } \\ = \frac{\sqrt{2 \times 2 \times 2 \times 2 \times 2}}{ \sqrt{2 \times 3 \times 3} } \\ = \frac{ \sqrt{ {2}^{2} \times {2}^{2} \times 2} }{ \sqrt{2 \times {3}^{2} } } \\ = \frac{2 \times 2 \times \sqrt{2} }{3 \times \sqrt{2} } \\ = \frac{4 \times \sqrt{2} }{3 \times \sqrt{2} } \\ = \frac{4}{3}$