For  and , find 

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?



A.
B. ?
C.
D.
E.


Answer: B

Mathematics

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Find the center of mass of a thin plate covering the given region with the given density function.The region between the x-axis and the curve y = , 1 ? x ? 2, with density ?(x) = 

A.  =  = 
B.  =  = 1
C.  =  = 
D.  =  = 

Mathematics

Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.-18x2 - 15x + 18

A. -3(3x - 2)(2x + 3) B. prime C. -3(3x + 2)(2x - 3) D. (-9x + 6)(2x + 3)

Mathematics

Solve the logarithmic equation.log3x = 5

A. 15 B. 1000 C. 243 D. 125

Mathematics

Provide an appropriate response.The probability distribution for the random variable X is: What is the expected value of X?

A. 0.62 B. 0.26 C. 0.22 D. 0.50

Mathematics