Solve the equation.3x(x - 9) = (2x - 4)(x - 9)

A. {-9, 4}
B. {-4}
C. {9, -4}
D. {4}


Answer: C

Mathematics

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Provide an appropriate response.Solve the proportion:  = 

A. {-9} B. {-41} C. {9} D. {41}

Mathematics

Write the trigonometric expression as an algebraic expression containing u and v.sin(tan-1 u - tan-1 v)

A.
B.  
C.
D.

Mathematics

Solve the problem. Use a numerical method to approximate the solution.An oil storage tank has the shape of a right circular cylinder with a hemisphere at each end. If the volume of the tank is 2000.0 ft3 and the (cylindrical) length is  find the radius r (of each end).

A. 5.3612 ft
B.  ft
C. 5.3613 ft
D.  ft

Mathematics

Evaluate.-5[3 + (-5)]

A. -20 B. 10 C. -40 D. -10

Mathematics