Solve the equation.8.8 - .02(x - 0.6) = .7x (All numbers are approximate.)

A. x ? 1
B. x ? 1.25527066
C. x ? 10
D. The equation is a contradiction.


Answer: C

Mathematics

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Solve. +  = 

A.
B.
C.
D.

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Find the Jacobian  or  (as appropriate) using the given equations.   

A. 60
B.
C. 20
D.

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Use Cramer's rule to solve the linear system. If D = 0, use another method to determine the solution set.2x + 2y + z = 152x - 3y - z = 43x + y + 4z = 28

A. {(3, 1, 5)} B. Cramer's rule does not apply since D = 0; ? C. {(5, 1, 3)} D. {(5, 3, 1)}

Mathematics

Determine algebraically whether the function is even, odd, or neither.

A. even B. odd C. neither

Mathematics