Help ASAP please! If the amount of money you have for a new job is f(t) = 15t + 50 where t is hours worked. How much money will you have after 10 hours?

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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.