2 years ago

What is the value of ∣∣−89∣∣? A. −98 B. −89 C. 89 D. 98

Mathematics

1 answer:

djyliett [7]2 years ago

7 0

The value is c.89 since it’s the absolute value

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If you flip a coin twice, what is the probability that you will get heads one time and tails one time?

Brilliant_brown [7]

The answer would be 1/2

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3 years ago

Maura receives a 3% commission on every piece of furniture she sells. one day she sold a couch for $950. How much was her commis

Ad libitum [116K]

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$28.5

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3 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:

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