Find the center of mass of a thin plate covering the given region with the given density function.The region between the curve y = 
and the x-axis from x = 1 to x = 9, with density ?(x) = 
A. 
= 
, 
= 
B. 
= 5, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 
Answer: A
You might also like to view...
Provide an appropriate response.Derive the identity sec-1(-x) = ? - sec-1 x by combining the following two equations:cos-1(-x) = ? - cos-1 xsec-1 x = cos-1(1/x)
What will be an ideal response?
Answer the question.Joan chose one of the numbers 1, 2, 3, . . . , 256 and challenged John to determine the number by asking questions to which Joan would answer 'yes' or 'no'. What is the minimum number of questions that John must ask to be certain of guessing the correct number?
A. 128 questions B. 8 questions C. 16 questions D. 64 questions
Find an equivalent fraction with the given denominator.
= 
A. 
B. 
C. 
D. 
Find a polynomial function of lowest degree with rational coefficients that has the given numbers as some of its zeros. 3, -7, 2 + 5i
A. f(x) = x4 - 50x2 + 200x - 609 B. f(x) = x4 - 5x3 - 15x2 + 100x - 609 C. f(x) = x4 - 5x3 + 15x2 - 100x + 609 D. f(x) = x4 - 8x2 + 200x - 609