Simplify the radical. Assume that all variables represent positive real numbers.
A. 
B. 10
C. 
D. 
Answer: C
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Provide an appropriate response.Solve the following: Twice the difference between a number and 6 is 18. Find the number.
Fill in the blank(s) with the appropriate word(s).
Find the acceleration vector in terms of ur and u?.r = 2 cos 4t and ? = 3t
A. a = (-50 sin 4t)ur - 48 cos 4tu? B. a = (-50 cos 3t)ur - 48 sin 3tu? C. a = (-50 cos 4t)ur - 48 sin 4tu? D. a = (-50 cos 4t)ur + 48 sin 4tu?
Use the pictograph to answer the question.This pictograph shows projected sales of compact disks (CDs) for a popular rock band for seven consecutive years. 
? = 1000 CDsIn which year will the greatest number of CDs be sold?
A. 2013 B. Not enough information is given. C. 2010 D. 2008
The distance d (in meters) of the bob of a pendulum of mass m (in kilograms) from its rest position at time t (in seconds) is given. The bob is released from the left of its rest position, which represents a negative direction.(a) Describe the motion of the object. Be sure to give the mass and damping factor.(b) What is the initial displacement of the bob? That is, what is the displacement at t = 0?(c) Graph the motion using a graphing utility(d) What is the displacement of the bob at the start of the second oscillation?(e) What happens to the displacement of the bob as time increases without bound?d = -17e-0.6t/20 cos src="https://sciemce.com/media/4/ppg__rrrr0627190844__f1q20g2.jpg" alt="" style="vertical-align: 0.0px;" height="225" width="225" />
What will be an ideal response?