Add.
+ 
A.
B.
C.
D.
Answer: D
Mathematics
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Sketch D and g(D) from the description of D and change of variables u = xy, v =
where D is the rectangle 1 ? u ? 4,
? v ? 2
?
A.
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B.
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C.
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D.
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Mathematics
Solve the system of equations. x - y + 2z = -34x + z = -2 x + 4y + z = -6
A. {(0, -1, -2)} B. {(-2, -1, 0)} C. {(-2, 0, -1)} D. ?
Mathematics
Perform the indicated operations and write the result in standard form.
A. -3 + i
B. -3 + i
C. -3 - i
D. 3 + i
Mathematics
Solve the problem.The medians of a triangle intersect at a point. The distance from the vertex to the point is exactly two-thirds of the distance from the vertex to the midpoint of the opposite side. Find the exact distance of that point from the vertex A(3, 4) of a triangle, given that the other two vertices are at (0, 0) and (8, 0).
A. 2
B.
C.
D.
Mathematics