The rate on a cell phone is $0.22 per minute. If Izzy uses her phone for 2 hours, how much does she pay?
1 answer:
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Answer:
Step-by-step explanation:
Slope is negative reciprocal when two lines are perpendicular
m1=1/2 therefore m2=-2
The equation of the line in point-slope form is given as
Here m=-2 and (x1, y1)=(-3, -1)
Therefore,