Add or subtract, as indicated. Assume that all variables represent positive real numbers.9
+ 10
+ 4
A. 1408
B. 142
C. 9
D. -1408
Answer: B
Mathematics
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Solve using Cramer's rule.-4x - 5y - 5z = -49 8x + 5y - 5z = -7 4x - 9y - 4z = -47
A. (2, 1, 6) B. (3, 6, 3) C. (1, -3, -6) D. (1, 3, 6)
Mathematics
Shade the region of feasible solutions for the given constraints.2x + 3y ? 6 x - y ? 3x ? 1, y ? 0
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.A shipment of 20 digital cameras contains two that are defective. A random sample of three is selected and tested. Let X be the random variable associated with the number of defective cameras in a sample. Find the probability distribution of X and the expected number of defective cameras in a sample.
What will be an ideal response?
Mathematics
Divide.
A. 5 B. 500 C. 50 D. 0.5
Mathematics