What is the perimeter of a rectangular picture frame that is 1412 inches tall and 1112
inches wide?

3,048 inches

Step-by-step explanation:

First, add the lengths of the two sides given.

1,412 + 1,112 = 1,524

Now, remember these are only two sides.

You have to multiply by 2 to get the total.

1,524 x 2 = 3,048

Answer = 3,048

reduce the friction between its moving parts

step-by-step explanation:

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.

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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