Answer:
The slope of the perpendicular line is the negative reciprocal. This means you change the sign of the slope to its opposite: in this case to 3. Then find the reciprocal by switching the denominator and numerator to get 1/3; therefore the slope of the perpendicular line is 1/3.
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Answer:
I think it's $123
Step-by-step explanation:
good luck!!!and have a great day/night (different time zones)
Answer: -0.36
Step-by-step explanation:
Given: Mean : 
Standard deviation : 
We know that the formula to calculate the z-score is given by :-
For x=8.2 minutes, we have
Hence, the z-score for this amount of advertising time = -0.36
Answer:
20%
Step-by-step explanation:
5 divided by 25 multiplied by 100 will give you 20%.
