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erik [133]
3 years ago
15

MATH HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! PLEASE reposting cause no one answered them

Mathematics
1 answer:
sveta [45]3 years ago
6 0

A

since the 3 is outside the radical then \sqrt{9} = 3, hence

x = 9

B

using the law of radicals

\sqrt{a} × \sqrt{b} = \sqrt{ab}

we can separate the factors as

\sqrt{24} × √x^{10} × √y^{5}

= 2\sqrt{6} x^{5}y^{5/2}

C

\sqrt{121} + \sqrt{50} = 11 + 5\sqrt{2}

D

\sqrt{20} × \sqrt{63}

= 2\sqrt{5} × 3\sqrt{7}

= 6\sqrt{35}




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