Perform the indicated operation. Simplify the answer when possible.
+ 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the area of the surface generated by revolving the curves about the indicated axis.x = 3 + cos t, y = sin t, 0 ? t ? ?; x-axis
A. 4?2 B. 12? C. 4? D. 12?2
Mathematics
Evaluate the integral by changing the order of integration in an appropriate way.
A. 2(1 - cos 5) B. 2 sin 5 C. 2 cos 5 D. 2(1 + sin 5)
Mathematics
Identify the numbers from the given list that belong to the indicated set. 11, 
, -3, 0, 
, - 
, 2.6, 
, 0.
Integers
A. 11, -3, 0
B. 11, -3, 0, 
C. 11, 0
D. 11, 0, 
Mathematics
Find the area of the figure. Use 3.14 for ?. Round to hundredths if necessary.Right triangle
A. 3 sq. ft B. 0.325 sq. ft C. 0.3 sq. ft D. 0.6 sq. ft
Mathematics