Find the probability.In a test for a certain disease, 190 out of 200 people test negative. Find the probability that a randomly chosen person tests positive.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find div F.F(x, y, z) = y cos(x)i + x sin(y)j + 8k
A. x cos(y) - y sin(x) + 8 B. x cos(y) - y sin(x) C. x sin(y) - y cos(x) + 8 D. x sin(y) - y cos(x)
Mathematics
Write using radical notation. Then, simplify, if possible.(u-2)-1/4
A. u2
B. 
C. 
D. 
Mathematics
Use synthetic division and the Remainder Theorem to find the function value.f(x) = x3 + 5x2 + 4x - 5; find f(2)
A. 20 B. 41 C. 31 D. 15
Mathematics
Find the value of the unknown variable.Find r if d = rt, t = 2 hrs, and d = 18 mi.
A. 16 mi/hr B. 20 mi/hr C. 0.1 mi/hr D. 9 mi/hr
Mathematics