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densk [106]
3 years ago
13

What is square root 28 in simplified radical form

Mathematics
1 answer:
kakasveta [241]3 years ago
4 0

Answer:

The answer to your question is 28 =  2\sqrt{7}

Step-by-step explanation:

Data

square \sqrt{28}

Process

1.- Find the prime factor of 28

                            28 2

                              14 2

                                7 7

                                  1

         28 = 2 x 2 x 7   or 28 = 2² x 7

2.- Write the prime factors inside the square root

                        \sqrt{2^{2}7}

3.- Express the square root as fractional powers

                         2²/² 7¹/²

4.- Simplify

                        2 7¹/²

5.- Express 7¹/² as square root

        result         2\sqrt{7}

   

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Answer:

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Step-by-step explanation:

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Usimov [2.4K]
See the denomenators

x^2 and 5x

factor each
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6 0
3 years ago
Find the volume of the square pyramid below.
miv72 [106K]

Hello!

\bf ANSWER

The volume of the square pyramid is approximately \boxed{ \bf 19.19~km^3}

____________________________________________________________

\bf EXPLANATION

V = a^{2}\frac{h}{3}

First, we must find the area of the square base.

A = l * w

A = 3.5 * 3.5

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The area of the base is 12.25 km^2. Now, multiply the base area by the perpendicular height. Then divide by 3.

V = (12.25 * 4.7) / 3

V = 19.1916666667

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7 0
3 years ago
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