Express the vector in the form v = v1i + v2j + v3k.
if P1 is the point (4, -5, 6) and P2 is the point (6, -8, 2)
A. v = -2i + 3j + 4k
B. v = -2i + 3j - 4k
C. v = 2i - 3j - 4k
D. v = -2i - 3j + 4k
Answer: C
Mathematics
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6 lb = 
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A. 
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D. 60
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Answer the question based on the following situation:An honest coin is tossed 1600 times. The random variable X denotes the total number of heads that come up in the 1600 tosses.What are the chances that X is between 760 and 840?
A. approximately 34% B. approximately 68% C. approximately 95% D. approximately 81.5% E. none of these
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Multiply and simplify.
? 
A. 
B. 
C. 
D. 
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Add.-14 + (-10)
A. 24 B. -24 C. 4 D. -4
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