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2 years ago

If you have $20 and spend $12 on food, what fraction of your money do you still have?

Mathematics

2 answers:

Bas_tet [7]2 years ago

8 0

Answer:

2/5

Step-by-step explanation:

please mark brainliest

just olya [345]2 years ago

6 0

Answer:

The fraction of the money that would be left would be 2/5. Hope this helps. :D

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

Multiply.

Anvisha [2.4K]

Answer:

2x*x

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2 years ago

Triangle ABC has side lengths a= 24, b= 40, and c= 55. What is the measure of angle C? 83.6° 116.2° 23.0° 40.7°

Harlamova29_29 [7]

<h3>Answer: 116.2°</h3>

Work Shown:

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

The first equation is one of the three variations for the Law of Cosines.

Make sure your calculator is in degree mode.

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