Find the centroid of the solid region bounded by the graphs of the equations. Use a computer algebra system to evaluate the triple integral. (Assume uniform density and find the center of mass.) 
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Q35: Find the component form of the vector
Q63: The graph of f is shown. Graph
Q68: Find the unit tangent vector <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8527/.jpg"
Q76: Sketch the level curves of the function
Q86: Identify the following quadric surface. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8527/.jpg"
Q107: Find the standard equation of the sphere
Q114: Find the absolute extrema of the function
Q115: Find the derivative of the function <img
Q116: Examine the function <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8527/.jpg" alt="Examine the
Q125: The two radii of the frustum of