If Jenny’s salary is $350 per week and she works 40 hours, what does she earn per hour?
2 answers:
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Lets calculate derivative of 
That is:
Comparing that with offered answer we can see that results match.
That is:
Comparing that with offered answer we can see that results match.
Answer:
Step-by-step explanation:
Given
Required
Determine an equation that perpendicular to the equation
An equation has the form:
Where
By comparison:
Next, we determine the slope of the new line.
When two lines are perpendicular, the following relation exist:
Substitute 1/5 for m1
The equation of the line is then calculated using:
Where:
and
This gives: