damariwave damariwave

16-11-2018
Mathematics

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Mareska95 Mareska95

16-11-2018

Hi!

Question 10:

[tex]7 \sqrt{3} * \sqrt{5} - 2\sqrt{15} = 7\sqrt{15} - 2\sqrt{15} = 5\sqrt{15}[/tex] and that's the correct answer.

Question 11:

[tex]\sqrt{64} = 8[/tex] is the answer, because this is only solution when the value of the square root is whole number.

Hope this helps!

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