An oil refinery aims to process 900,000 barrels of oil per day. the daily production varies by up to 50,000 barrels from this goal, inclusive. what are the minimum and maximum numbers of barrels of oil processed each day.

The least would be 950,000 and the minimum would be 900,000

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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.