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Use polar coordinates to find the volume of the given solid.
Inside the sphere x^2 + y^2 + z^2 = 25 and outside the cylinder x^2 + y^2 = 4? Estando a la misma temperatura 2 kg de hierro contienen mas calor que 1 kg del mismo metal? Alguien me puede ayudar por favor Gracias? How is a step-up transformer used in everyday life? How does it work? How many valence electrons does lithium fluoride have? Solve the system
5x-6y+2z=2
x-y+z=1
4x-3y=3?