Simplify. Be sure to rationalize all denominators. Assume that all variables represent positive real numbers.
A. 
B. 
C. 5x4
D. 
Answer: D
Mathematics
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Simplify.23
A. 2 B. 6 C. 8 D. 23
Mathematics
Solve the problem.The formula D = 7e-0.04h can be used to find the number of milligrams D of a certain drug in a patient's bloodstream h hours after the drug has been given. When the number of milligrams reaches 2, the drug is to be given again. What is the time between injections?
A. 17.33 hr B. 31.32 hr C. 48.65 hr D. 34.43 hr
Mathematics
?(x + 6)ln xdx
Evaluate.
Mathematics
Find the distance d(P1, P2) between the points P1 and P2.P1 = (0.9, 0.4); P2 = (1.4, -2.3) Round to three decimal places, if necessary.
A. 2.746 B. 16 C. 2.846 D. 8.683
Mathematics