Perform the matrix operation.Given A =  and I =  , find AI.

A.

B.

C.

D.


Answer: A

Mathematics

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Solve the system by the elimination method.  x - 7y = -2-5x - 6y = 10

A. {(-1, -2)} B. {(-2, 0)} C. {(-1, -1)} D. ?

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Complete.383 L =    mL

A. 0.383 B. 38,300 C. 38.3 D. 383,000

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Solve the problem.Determine if the graph of the equation f(x, y) =  is a sphere, a hemisphere, a paraboloid, or none of these.

A. Paraboloid B. Sphere C. Hemisphere D. None of these

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Indicate whether the given expression is one or more of the following types of numbers: rational, irrational, integer, natural. ? ?

A. integer B. rational C. rational, integer D. rational, integer, natural E. irrational

Mathematics