Simplify. Write your answers in the form of a+bi, where a and b are real numbers.

A.  -  i
B. -  i
C.  -  i
D. -  -  i


Answer: D

Mathematics

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Find the potential function f for the field F.F = -i - j - k

A. f(x, y, z) = -  + C
B. f(x, y, z) =  + C
C. f(x, y, z) =  + C
D. f(x, y, z) =  + C

Mathematics

Solve the problem.Suppose X and Y have joint PDF   Find the joint PDF g(x, y) of U = X - Y, V =X.

A. g(x, y) = 
B. g(x, y) = 
C. g(x, y) = 
D. g(x, y) = 

Mathematics

Round the decimal to the given place value.3.817, nearest tenth

A. 3.817 B. 3.7 C. 3.8 D. 3.9

Mathematics

The following question refers to a country with six states. There are 300 seats in the legislature, and the populations of the states are given in the table below. Find each state's apportionment under Adams's method.

A. State A: 46; State B: 148; State C: 15; State D: 52; State E: 16; State F: 23 B. State A: 47; State B: 147; State C: 15; State D: 52; State E: 16; State F: 23 C. State A: 46; State B: 149; State C: 15; State D: 52; State E: 15; State F: 23 D. State A: 47; State B: 148; State C: 15; State D: 52; State E: 15; State F: 23 E. none of these

Mathematics