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krok68 [10]
3 years ago
5

Someone h e l p me on this it is geometry

Mathematics
1 answer:
ladessa [460]3 years ago
7 0

BC = 6 km

<u>/</u><u> </u> ACB = 34°

AC = ?

cos 34° = \frac{BC}{AC}

=> 0.829 = \frac{6}{AC}

=> AC = \frac{6}{0.829}

=> AC = 7.23763570567

=> AC = 7 km

=> AC = 10 km\:\:\:\:\:\:\:\: (nearest tenth)

\\

<h3>Answer : 10 km</h3>

\\\\\\\\

HOPE IT HELPS

PLEASE MARK ME BRAINLIEST ☺️

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There are 6720 ways by 8 distinguishable books be placed in 5 shelves.

According to statement

The number of books (n) is 8

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Now, we find the ways by which the 8 books be placed in 5 distinguishable shelves

From Permutation formula

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