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Yanka [14]
3 years ago
8

Antarctica comprises about 10.5% of the total land area on Earth. Antarctica has a surface area of about 5,400,000 square miles.

What is the total land area on Earth?
Mathematics
2 answers:
Marina86 [1]3 years ago
5 0
<span>196.9 million mi².........................</span>
Radda [10]3 years ago
4 0
Solution
(5.4 x 10^6)/10.5 = 514285.71
514285.71 x 100 = 51,428,571 square miles
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pshichka [43]

The vectors are listed below:

  1. <u>v</u> = [- 10 / 13, 24 / 13]
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<h3>How to derive the expressions of vectors</h3>

Vectors are characterized by magnitude and direction. The magnitude is a scalar and the direction by a ordered pair, whose formula is shown below:

<u>v</u> = k · <u>u</u>    

Where <u>u</u> is a unit vector, that is, a vector of length 1.

Now we proceed to determine each vector:

a) The equation of the vector:

r = √[(- 5)² + 12²]

r = 13

k = 2

<u>v</u> = (2 / 13) · [- 5, 12]

<u>v</u> = [- 10 / 13, 24 / 13]

b) The equation of the vector:

<u>v</u> = (1 / 13) · [- 5, 12]

<u>v</u> = [- 5 / 13, 12 / 13]

c) The equation of the vector:

<u>v</u> = (- 10 / 13) · [- 5, 12]

<u>v</u> = [50 / 13, - 120 / 13]

To learn more on vectors: brainly.com/question/4579006

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A picnic basket is shaped like a rectangular prism. The height of the basket is 8 inches. The bottom of the basket has an area o
steposvetlana [31]
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Step-by-step explanation:

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