Solve the equation.5(2x - 1) = 20

A.  
B.
C.  
D.  


Answer: A

Mathematics

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Solve the problem.The hemispherical bowl of radius 7 contains water to a depth 4. Find the volume of water in the bowl.

A. 205?
B. ?
C. ?
D. ?

Mathematics

Perform the indicated operation. Where possible, reduce the answer to its lowest terms. ÷ 

A.
B.
C.
D.

Mathematics

Solve the problem. Use the correct number of significant digits.A computer can do one calculation in 1.2 x 10-7 seconds. How long would it take the computer to do a trillion (1012) calculations?

A. 1.2 x 1012 sec B. 1.2 x 10-7 sec C. 1.2 x 106 sec D. 1.2 x 105 sec

Mathematics

Multiply and simplify. Assume that all variables represent positive real numbers.(2 + )(3 + 3)

A. 30
B. 12 + 6
C. 12 + 9
D. 6 + 12

Mathematics