Solve using matrices.6x + 8y = 89x - 3z = -136y - 3z = 11

A.
B.
C.
D.

Answer: C

Mathematics

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Provide an appropriate response.Write as a complex number in simplified form: -2i2

A. -2 + 0i B. 0 + 2i C. 2 + 0i D. 0 - 2i

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Solve for the indicated variable.T = T0ekt/300, for t

A. t =  ln 
B. t =  ln (T - T0)
C. t =  ln  
D. t =  

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Graph the linear equation and determine its slope, if it exists.2x - 5y = 20

A. slope = - 

B. slope = - 

C. slope = 

D. slope = 

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Solve the equation.-5x + 21 = 2x - 7

A. {3} B. {4} C. {-4} D. {-3}

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