Compute.?3?

A. -3
B. - 
C. 3
D. 0

Answer: C

Mathematics

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Arrange the fractions in ascending order. Or, if the fractions are equivalent, answer "Equivalent"., 

A. Equivalent
B. , 
C. , 

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Mathematics

Solve.The amount of time it takes a swimmer to swim a race is inversely proportional to the average speed of the swimmer. A swimmer finishes a race in 30 seconds with an average speed of 5 feet per second. Find the average speed of the swimmer if it takes 50 seconds to finish the race.

A. 3 feet per second B. 5 feet per second C. 2 feet per second D. 4 feet per second

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Mathematics

Divide and simplify.

A. 40x4y2 + 16xy + 7
B. 5x4y2 + 2xy3 + 
C. 5x4y4 + 2x4y2 + 
D. 5x4y2 + 2xy + 

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Mathematics

Use the Gauss-Jordan method to find A-1, if it exists.A = 

A.

B.

C.

D. Does not exist

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Mathematics