Find the partial derivative  for the function .
?

A.

?


B.

?


C.

?


D.

?


E.

?



Answer: A

Mathematics

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Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.-4x - 4y + 3z = -21-16x - 15y + 13z = 0-8x - 7y + 7z = -12

A.
B.
C.
D. No solution

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Where , the distance between the points (a, c) and (b, c) is () units.

Answer the following statement true (T) or false (F)

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Find the vertex and y-intercept and graph the equation.y = x2 - 2x + 3

A. vertex: ; y-intercept: 3

B. vertex: (1, -2); y-intercept: -3

C. vertex: (1, -1); y-intercept: 0

D. vertex: (1, 2); y-intercept: 3

Mathematics

If  and , find cos ?.

What will be an ideal response?

Mathematics