My life is hellpless.... could you please help? i cant even understand this I'm only 11.
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The inequality should be
The sign on the right is only a 'smaller than' sign because he spent less than 180.
On the left, assuming that even if Calvin took nobody (poor Calvin), we should assume that he at least went himself, hence he spent a minimum of $12.
The sign on the right is only a 'smaller than' sign because he spent less than 180.
On the left, assuming that even if Calvin took nobody (poor Calvin), we should assume that he at least went himself, hence he spent a minimum of $12.
In cylindrical coordinates, the equations of the surfaces become
These surfaces intersect on the cylinder of radius 1 with cross sections parallel to the x,y-plane:
Then in cylindrical coordinates, the volume of the space bounded by these surfaces is