Solve the problem.The force F (in newtons) acting on an object is given by F = csc (x/3) where x is the distance (in meters) from the rest position. Find the work done in moving the object from x = 0.64 to x = 1.28.
A. -0.7 newtons
B. -2 newtons
C. 2.1 newtons
D. 11.3 newtons
Answer: C
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Multiply, and then simplify if possible. Assume all variables represent positive real numbers.(
+ 5)2
A. 4x + 25
+ 25
B. 4x + 25
+ 22
C. 4x + 10
+ 22
D. 4x + 10
+ 25
Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.(x10y5)1/5
A. x2 B. x10y C. x2y D. x2|y|
Solve the equation.
x - 
x = 5
A. x = 40 B. x = 35 C. x = -40 D. x = -35
Answer the question asked. When necessary, round to the nearest hundredth.Julie and Eric row their boat (at a constant speed) 45 miles downstream for 5 hours, helped by the current. Rowing at the same rate, the trip back against the current takes 9 hours. Find the rate of the current.
A. 7 mph B. 3 mph C. 2 mph D. 1.5 mph