Answer:
(3,10) is not a solution of the given system.
Step-by-step explanation:
Testing the point (3,10) for the system of inequalities, where 3 is the x coordinate, and 10 the y-coordinate, then:
So the point (3,10) is not a solution of the given system.
Consider julie's scores on three final exams (x), along with the class means and standard deviations: subject x mean standard deviation history 75 70 5 english 92 90 10 math 80 70 3 science 84 70 7 compared to the other students who took the test, in what class is was julie's highest score?
Answer: In order to find in what class Julie's has scored highest, we need to find the z score corresponding to Julie's score. The subject who has the highest z score will indicate that Julie has scored highest in that subject.
Z score for History:
z score for english:
z score for math:
z score for science:
Since the z score for Math is highest, therefore, in Math class Julie's score is highest.
as the line has the ends which has closed dot to indicate that the endpoint is part of the solution. Also its between the points -3 and 3.