a statistic class has the following activities and weights for determining a grade in the course: test 1 worth 15% of the grade, test 2 worth 15% of the grade, test 3 worth 15% of the grade, homework worth 10% of the grade, semester project wortj 20% of the grade, and the final exam worth 25% of the grade. if a student erceives a 92 on test 1, an 85 on test 2, a 95 on test 3, 1 93 on the homework, a 55 on the project, and an 83 on the final, what grade did the student earn in the course

The student earned a grade of 81.85 in the course.

Step-by-step explanation:

We find the weighed average for the student.

Grades and weights:

Test 1 is worth 15%, student earned 92.

Test 2 is worth 15%, student earned 85.

Test 3 is worth 15%, student earned 95.

Homework is worth 10%, student earned 93.

Project is worth 20%, student earned 55.

Final exam is worth 25%, student earned 83.

Final grade:

The student earned a grade of 81.85 in the course.

the answer is y < -3 or   y > 3

-3y > 7 + 2

-3 y > 9

y < -3

x = 23.78

step-by-step explanation: