2 years ago

Help plsss its an emergency

Mathematics

1 answer:

ziro4ka [17]2 years ago

4 0

Answer:

-8.05E14

Step-by-step explanation:

If you arent familiar with E notation it means the same thing as $10^x$ where x is the number proceeding the E

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If a cube has a volume of 512, the perimeter of one face of the cube is A) 4 B) 8 C) 12 D) 32

Svet_ta [14]

Answer:

The answe is 32!!!!!

Step-by-step explanation:

32 In a cube, the length, width, and height will be the same. The cube root of 512 is 8. Each side is a square with the length and width of 8. The perimeter is 32 for each side.

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2 years ago

THIS IS THE FOURTH TIME I'VE ASKED PLEASE ANSWER √(10 + 4 √(6)) not decimal form

nalin [4]

Answer:

$\huge\boxed{\sqrt{10+4\sqrt6}=\sqrt6+2}$

Step-by-step explanation:

$\sqrt{10+4\sqrt6}=\sqrt{6+4+(2)(2)(\sqrt6)}=\sqrt{\underbrace{(\sqrt6)^2}_{=6}+(2)(2)(\sqrt6)+\underbrace{2^2}_{=4}}\\\\\text{use}\ (a+b)^2=a^2+2ab+b^2\\\\=\sqrt{(\sqrt6+2)^2}\\\\\text{use}\ \sqrt{a^2}=|a|\\\\=|\sqrt6+2|=\sqrt6+2$