Evaluate using the order of operations.
+ 30 - 32
A. 11
B. 12
C. - 
D. - 
Answer: D
Mathematics
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Find the exact value by using a half-angle identity.cos 
A. - 
B. - 
C. 
D. 
Mathematics
Perform the indicated operation.
+ 
A. - 
B. 
C. 
D. 
Mathematics
Perform the operation and write the result in the standard form.(7 - 7i) + (1 - 3i)
A. 8 - 4i B. 8 + 10i C. 8 - 10i D. -8 - 10i
Mathematics
Convert the constraints into linear equations by using slack variables.Maximize z = 1.1x1 + 2.6x2Subject to: 1.9x1 + 1.5x2 ? 33 1.6x1 + 1.3x2 ? 35 x1 ? 0, x2 ? 0
A. 1.9x1 + 1.5x2 + s1 = 33 1.6x1 + 1.3x2 + s2 = 35 B. 1.9x1 + 1.5x2 + s1 ? 33 1.6x1 + 1.3x2 + s2 ? 35 C. 1.9x1 + 1.5x2 = s1 + 33 1.6x1 + 1.3x2 = s2 + 35 D. 1.9x1 + 1.5x2 + s1 ? 33 1.6x1 + 1.3x2 + s2 ? 35
Mathematics