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July 22, 2014

Homework Help: phyical science

Posted by ashley on Friday, September 3, 2010 at 7:04pm.

On a particular day, the following appliances are used for the times indicated: coffee maker, 40 min, and microwave oven, 23 min. Using the power requirements given in the table below, find how much it costs to use the appliances at an electrical cost of 8 per kWh.


coffee maker=1650w


microwave=1250 w

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