Solve the given trigonometric equation analytically (using identities when necessary for exact values when possible) for values of x for 0 ? x < 2?.sin x cos x = 
A. 0, 
, ?, 
B. 0
C. 
, 
, 
, 
, 
, 
, 
D. 
, 
Answer: D
Mathematics
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Find projv u.v = 7i - 3j + k, u = -4j + 3k
A. - 
j + 
k
B. - 
j + 
k
C. 
i - 
j + 
k
D. 
i - 
j + 
k
Mathematics
Solve.A construction crew replaced 
mile of sewer line in the process of updating a section of a road. Another crew replaced 
mile of sewer line while working on the same project. How much longer was the sewer line that the second crew replaced?
A. 
mi
B. 
mi
C. 
mi
D. 
mi
Mathematics
Choose the inequality that matches the graph.
A. y > 
x2 + 4x + 6
B. y ? 
x2 + 4x + 6
C. y ? 
x2 + 4x + 6
D. y < 
x2 + 4x + 6
Mathematics
Simplify.-2 ? (-4 - 1.2)
A. -10.4 B. 10.4 C. -5.6 D. 5.6
Mathematics