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3 years ago

Charlotte drove 472 miles in 10 hours. On average, how fast did she drive in miles per

Mathematics

2 answers:

umka21 [38]3 years ago

6 0

Answer:

i think is 47.2

Step-by-step explanation:

Zanzabum3 years ago

4 0

Answer:

47.2 miles per hour

Step-by-step explanation:

472 miles/ 10 hours= 47.2

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Harlamova29_29 [7]

<h3>Answer: 116.2°</h3>

Work Shown:

$c^2 = a^2 + b^2 - 2ab\cos(C)\\\\55^2 = 24^2 + 40^2 - 2*24*40\cos(C)\\\\3025 = 576 + 1600 - 1920\cos(C)\\\\3025 = 2176 - 1920\cos(C)\\\\3025 - 2176 = -1920\cos(C)\\\\849 = -1920\cos(C)\\\\-1920\cos(C) = 849\\\\\cos(C) = (849)/(-1920)\\\\\cos(C) \approx -0.4421875\\\\C \approx \cos^{-1}(-0.4421875)\\\\C \approx 116.243535748231^{\circ}\\\\C \approx 116.2^{\circ}\\\\$

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