Find k so that the distance from (–1, 1) to (2, k) is 5 units. k= k= *there are two solutions for 2*

just needed some points but try socratic

reduce the friction between its moving parts

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in fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.

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cant see photo

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