Solve the equation in the interval [0, 2?). Express solutions as approximations to the nearest hundredth.3 cos2x - 2 cos x - 2 = 0
A. {2.15, 4.13}
B. {0.99, 5.29}
C. {4.13, 5.29}
D. {0.99, 2.15}
Answer: A
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The centroid of a triangle lies at the intersection of the triangle's medians, because it lies one-third of the way from each side towards the opposite vertex. Use this result to find the centroid of the triangle whose vertices appear as following.(0, 0), (2, 0), (1, 8)
A. (0, 
)
B. (1, 
)
C. (
, 4)
D. (1, 
)
Complete the puzzle, as instructed.Complete the following chart using the numbers 0 to 9, each only once, so that the sum of each of the horizontal rows is 9 and the sum of the numbers in the second column is one more than the sum of the numbers in the first column.
A. 
B. 
C. 
D. 
Solve the problem.A local community college has 3206 students with 862 freshmen, 813 sophomores, 787 juniors, and 744 seniors. What is the relative frequency of sophomores at this college?
A. 25.4% B. 23.2% C. 24.5% D. 26.9%
Use synthetic division to find the quotient and the remainder.3x3 + 16x2 - 14x - 12 is divided by x + 6
A. 3x2 x + 
- 2; remainder0
B. 
x2 + 
x - 
; remainder 0
C. -3x2 - 6x - 2; remainder 0
D. 3x2 - 2x - 2; remainder 0