Complete.2.1 m =  in. (Round to the nearest tenth.)

A. 2.3
B. 75.6
C. 5.3
D. 82.7


Answer: D

Mathematics

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Find the indicated matrix.(A + B)2, where A = , B = 

A.

B.
 
C.

D.

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Solve the problem.Mr. Rivera opened a package of 25 drinking cups for his restaurant. During the day, 2 cups were used. What fraction of the package of cups was used?

A.  of the package
B.  of the package
C.  of the package
D.  of the package

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Find the location and value of all relative extrema for the function. 

A. Relative maximum of 2 at 0. B. Relative minimum of 0 at -2. C. None D. Relative minimum of 0 at -2 ; Relative maximum of 2 at 0.

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Solve the problem. Round your answer to the nearest tenth, if necessary.A jet plane traveling at a constant speed goes 1200 mi with the wind, then turns around and travels for 1000 mi against the wind. If the speed of the wind is a constant 50 mph, and the total flight took 4 hours, find the speed of the plane.

A. 605 mph B. 550 mph C. 525 mph D. 435 mph

Mathematics