Answer: The refrigerator cost in this month is $4.5 approximately.
Step-by-step explanation:
Since we have given that
Amount of watt of electric power = 320 W
Number of days = 30
Unit cost of electricity = $0.13/Kwh
Hold factor =
Number of hours in a month = 24
So, the refrigerator cost in this month would be
Hence, the refrigerator cost in this month is $4.5 approximately.
The resulting matrix of the row operation is given as follows:
We apply the row operation on the original matrix, given as follows:
The operation is given by:
That is, applying to each element, we have that:
Hence the resulting matrix is:
More can be learned about matrix operations at brainly.com/question/1821869
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graphed in the image attached with points,
hope this helps :D
