Find the center of mass of a thin plate covering the given region with the given density function.The triangular region cut from the first quadrant by the line y = -x + 7, with density ?(x) = x
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 
Answer: A
Mathematics
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Find all real numbers in the interval [0, 2?) that satisfy the equation.cos x = sin x
A. 
B. 
C. 
D. 
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Perform the indicated operation.
+ 
A. - 
B. 
C. 
D. 
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Write the repeating decimal using an ellipsis.0.91
A. 0.9180180180 . . . B. 0.91888 . . . C. 0.91809180 . . . D. 0.91808080 . . .
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Find the exact value. sin(? / 12)
What will be an ideal response?
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