Use radical notation to write the expression. Simplify if possible.6x2/9

A.   
B.  
C. 6
D.   


Answer: C

Mathematics

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Solve the problem.The stiffness of a rectangular beam is proportional to its width times the cube of its depth. Find the dimensions of the stiffest beam than can be cut from a  cylindrical log. (Round answers to the nearest tenth.)

A. w = 7.5 in.; d = 10.3 in. B. w = 6.5 in.; d = 11.3 in. C. w = 7.5 in.; d = 12.3 in. D. w = 5.5 in.; d = 12.3 in.

Mathematics

Solve the triangle. 

A. B = 45°, a = 5.66, c = 4 B. B = 40°, a = 5.66, c = 4 C. B = 50°, a = 4, c = 5.66 D. B = 45°, a = 4, c = 5.66

Mathematics

Solve the problem. Round to two decimal places if needed.The minute hand of a clock is 7 inches long. How far does the tip of the minute hand move in 55 minutes?

A. 42.83 inches B. 38.58 inches C. 41.55 inches D. 40.32 inches

Mathematics

Find the product.(x - 5)4

A. x4 - 20x3 + 150x2 - 500x + 625 B. x4 - 5x3 + 150x2 - 250x + 625 C. x4 - 20x3 - 250x2 - 500x + 625 D. x4 - 20x3 + 150x2 + 20x + 625

Mathematics