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The value 12 is the minimum price of the bill independent of the consumption of minutes of Janelle.
The constant in the expression is 12.
Given
The expression represents the cost of Janelle’s cell phone bill.
Where m represents the number of minutes of use. 0.05m + 12.
The linear equation is as follows;
[tex]\rm y=mx+c[/tex]
Where m is the slope and c is the constant.
The constant of the expression is the value that is independent of the number of minutes Janelle uses.
The given equation is;
y = 0.05m + 12.
On comparing with the standard equation the constant value is 12.
The value 12 is the minimum price of the bill independent of the consumption of minutes of Janelle.
She will always be charged this value.
Hence, The constant in the expression is 12.
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