In an equilateral triangle, each side measures 12 cm. Find the length of the altitude of this triangle.
What will be an ideal response?
Mathematics
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Evaluate the spherical coordinate integral.
A. 
?2
B. 
?
C. 
?2
D. 
?
Mathematics
Find the first partial derivatives of the function.
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?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Add or subtract. Write the answer in lowest terms.
+ 
- 
A. 
B. 
C. 
D. 
Mathematics
Points at which the graphs of r = f(?) and r = g(?) intersect must be determined carefully. Solving f(?) = g(?) identifies some - but perhaps not all - intersection points. The reason is that the curves may pass through the same point for different values of ?. Use analytical methods and a graphing utility to find the intersection points of the given curves for 0 ? ? ? 2?.r = 6 + cos ?, r = 6 - sin ?
A. 
, 
B. 
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C. 
, 
D. 
, 
Mathematics