Perform the indicated operations. Assume that all variables represent nonnegative real numbers.3
- 2x 
A. 3 
- 2x 
B. 2x 
C. x
D. Cannot simplify
Answer: C
You might also like to view...
Evaluate the integral using the given substitution.
, u = 2 - s4
A. -2
+ C
B. -2s3
+ C
C. 
+ C
D. 
Use the properties of parallel lines to solve the problem.In the figure, 
. Identify all pairs of congruent angles.
A. ?ABE and ?FCD B. ?ABC and ?FCD , ?ABE and ?BCD, C. ?ABE and ?FCD , ?ABC and ?BCD D. ?ABE and ?ABC , ?FCD and ?BCD
Solve the problem.A cylinder with height 10 m and radius 4 m is filled with water and must be emptied through an outlet pipe 2 m above the top of the cylinder. Compute the work required to empty the water in the top half of the tank. Then compute the work required to empty the (equal amount of) water in the lower half of the tank. Round to two decimal places when appropriate.
A. 11,083,538.9 J; 23,398,582.1 J B. 12,315,043.2 J; 12,315,043.2 J C. 34,482,120.9 J; 23,398,582.1 J D. 24,630,086.4 J; 12,315,043.2 J
Use the fundamental identities to find the value of the trigonometric function.Find cos ?, given that sin ? = - 
and ? is in quadrant III.
A. - 
B. 
C. - 
D. - 