What line is perpendicular to 1/3
2 answers:
Answer:
<h2>-3</h2>Step-by-step explanation:
If you mean 1/3 slope, then -3/1 or -3 since the opposite inverse rule says that perpendicular lines are opposite inverses of each other. In other words, flip the order of 1/3 to 3/1 and add a negative sign. This makes sense, since the lines would go in opposite directions.
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Answer:
For the student who is studying 10 hours a week is in the 57.93th percentile.
Step-by-step explanation:
Corresponding z-score for the student who studies 10 hours a week can be calculated by the formula
z= where
- x is the hours student work in a week, which is 10,
- M is the mean studying hour of the class, which is 9.92,
- s is the standart deviation which is 4.54
from here we find that z=≈0.2
Corresponding percentile for z=0.2 is 57.93