Find the expected value for the random variable.A business bureau gets complaints as shown in the following table. Find the expected number of complaints per day. 
A. 2.73
B. 2.85
C. 3.01
D. 2.98
Answer: D
Mathematics
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Find an equation of variation in which y varies inversely as x and the following is true.y = 47, when x = 25
A. y = 
B. y = 1175x
C. y = 1.88x
D. y = 
Mathematics
Solve the given differential equation.dy = 4e3xdx
A. 
e3x + C
B. 12e3x + C
C. 4e3x + C
D. 
e3x + C
Mathematics
Solve the problem.In a biology experiment, a scientist collected 6641 mosquitoes in a field and 4140 mosquitoes in an urban area. How many mosquitoes did she collect altogether?
A. 10,781 mosquitoes B. 3538 mosquitoes C. 10,434 mosquitoes D. 2501 mosquitoes
Mathematics
Provide an appropriate response.Simplify: 5(2x - 6)
Fill in the blank(s) with the appropriate word(s).
Mathematics