Solve the problem.All locations of a given latitude are collectively referred to as a circle of latitude or parallel because they lie in a plane parallel to the equator. Using 3960 miles for the radius of the earth, find the radius of the 59th parallel (the circle formed by all points on the earth with a latitude of 59°). Round your answer to the nearest mile.
A. 2040 mi
B. 7689 mi
C. 1958 mi
D. 3394 mi
Answer: A
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Solve.While traveling in a car, the centrifugal force a passenger experiences as the car drives in a circle varies jointly as the mass of the passenger and the square of the speed of the car. If the a passenger experiences a force of 64.8 newtons when the car is moving at a speed of 30 kilometers per hour and the passenger has a mass of 80 kilograms, find the force a passenger experiences when the car is moving at 30 kilometers per hour and the passenger has a mass of 50 kilograms.
A. 36 newtons B. 45 newtons C. 54 newtons D. 40.5 newtons
Perform the indicated operation. Write the result in the form a + bi.6i + (-9 - i)
A. 9 - 5i B. -9 + 7i C. -9 + 5i D. 9 - 7i
Find the integral.
A. 
+ C
B. ln 
+ C
C. ln 
+ C
D. 
+ C
Perform the indicated operation.(-2 + x2 - 5x) + (6x - 10 + x3) + (2x + 4 + 3x3)
A. 5x3 + 3x - 8 B. 4x3 +x2 + 3x - 8 C. 4x3 + x2 + 3x + 2 D. 4x3 + 7x2 - 3x - 8