What is the maximum value of 
? Restrict your attention to the horizontal span of 0 to 20. Round your answer to two decimal places.
?
A. 39.13
B. 12.46
C. 42.72
D. 11.30
Answer: A
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Find the moment or center of mass of the wire, as indicated.Find the center of mass of a wire that lies along the semicircle y = 
if the density of the wire is 
A. 
= 
?, 
= 
?
B. 
= 0, 
= 
?
C. 
= 0, 
= 
?
D. 
= 
?, 
= 
?
Answer the question.Which one of the equations below matches the graph?
A. y = -2 sin
B. y = 2 sin
C. y = -2 sin(3x)
D. y = -2 cos(3x)
For the graph,a) list the data items, thenb) calculate the mean,c) calculate the standard deviation, andd) calculate the range.If needed, round the standard deviation to 1 decimal place.
A. a) 4, 4, 4, 4, 4, 4, 4
b) 
= 4
c) s = 0
d) range = 0
B. a) 7, 7, 7, 7
b) 
= 7
c) s = 0
d) range = 0
C. a) 7, 7, 7, 7
b) 
= 7
c) s = 1
d) range = 3
D. a) 4, 4, 4, 4, 4, 4, 4
b) 
= 4
c) s = 1
d) range = 3
Solve by using the square root property.-5x2 = -35
A. 8
B. 7, -7
C. 
D. 
, - 