Find all solutions to the equation. Express each result in radians.cot x sec x = 2 cot x
A. 
+ n?, 
+ n?, 0 + n?
B. 
+ 2n?, 
+ 2n?, 0 + n?
C. 
+ 2n?, 
+ 2n?, 0 + n?
D. 
+ n?, x = 
+ n?, 0 + n?
Answer: B
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Solve the problem.159 students attended an assembly at Piper School. The student enrollment at the school is 636. What percentage of the students attended the assembly?
A. 30% B. 15% C. 5% D. 25%
The Richter scale converts seismographic readings into numbers for measuring the magnitude of an earthquake according to this function M(x) = log 
, where x0 = 10-3.What is the magnitude of an earthquake whose seismographic reading is 0.94 millimeters at a distance of 100 kilometers from its epicenter? Round the answer to four decimal places.
A. -0.0269 B. 2.9731 C. 0.9731 D. -3.0269
Graph the equation.y = 
A. 
B. 
C. 
D. 
Perform the division. Write the answer with positive exponents.
A. 4x - 7 + 
B. 4x - 7 + 
C. 4x2 - 7 + 
D. 4x2 - 7 + 