Find all solutions of the equation in the interval [0, 2?).2 cos
- 
= 0
A. 
B. 
C. 
D. 
Answer: C
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Solve the problem.In 2007, business analysts estimated that the number of skilled carpenters working in a certain city was decreasing each year. The number of employed carpenters in a given year is 27 - 5n hundred fewer than the previous year. Find the decrease in employed carpenters in 2010, if year 1 is 2007. Find how many total hundred carpenters became unemployed from 2007 through 2010.
A. 7 hundred carpenters; 58 hundred carpenters B. 7 hundred carpenters; 51 hundred carpenters C. 7 hundred carpenters; 36 hundred carpenters D. 12 hundred carpenters; 51 hundred carpenters
Solve the equation.x3 + 7x2 - x - 7 = 0
A. {-1, 1, - 7 } B. {- 7, 7 } C. { 49 } D. { 1, - 7, 7 }
Sketch the graph of the polar equation.r = 6 - cos ?
A. 
B. 
C. 
D. 
Divide.
A. 17 B. 0.7 C. 1.7 D. 7