Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination. x - y + 4z = 155x + z = 3 x + 3y + z = -6

A. (3, 0, -3)
B. (3, -3, 0)
C. (0, -3, 3)
D. No solution


Answer: C

Mathematics

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Evaluate the integral.

A.  sin 2x +  sin 16x + C
B.  sin 2x -  sin 16x + C
C.  cos 2x +  cos 16x + C
D.  sin9x +  sin 7x + C

Mathematics

Find the equation of the line that has the given slope and passes through the given point.m = 4, 

A. = 4x + 
B. = 4x - 
C. = 4x + 
D. = 4x - 

Mathematics

Find the slope and the y-intercept of the given line.y = - x + 5

A. - ; (0, -5)
B. - ; (0, 5)
C. ; (0, 5)
D. ; (0, -5)

Mathematics

Write in decimal notation.3.0561 × 10-7

A. 0.000000030561 B. 0.00000030561 C. 0.0000030561 D. -305610,000

Mathematics