Solve 5|x – 4| ≥ –10 Question 20 options:

A)

No solution

B)

2 ≤ x ≤ 6

C)

x ≤ 2 or x ≥ 6

D)

All real numbers

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since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.