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Calculus Resources

Students are having a fundraiser to help pay for a trip. Selling candy yields a profit of $2.45 while selling a box of pretzels yields a profit of $2.70. The demand for pretzels is at least twice...

A farmer is at a point on a riverbank. He wants to get to his cabin located 5km north and 10km east. He can travel 5kph along the river but only 3kph over very rocky road. How far upriver should he...

three forces in a plane act on a object. The forces are 7 N, 11 N, 15 N. The angle between the 7 N and 11 N is 105 degrees, between the 11 N and 15 N forces is 147 degrees, and between the 15 N and...

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