Answer:
It's
Step-by-step explanation:
9a-3b
because 3×3a is 9a and 3×-b is -3b hope this helps
Answer:
87.471
Step-by-step explanation:
Given that scores for test, quiz, final exam , average quizzes.
There are weight given as 55% for quiz, 30% for homework, 5% Final Exam 10% Tests:
Now to calculate the student final grade, we can use weighted average method.
Final exam average
67
90
44
29
100
100
100
75.71428571
Use the averages to find:
Score Weight Score*weight
Quizzes 90 55% 49.5
Homework 85 30% 25.5
Tests 75.71 10% 7.571
final exam 98 5% 4.9
total 87.471
Hence answer is 87.471
Answer:
I think that it is 26, 51, 103,
I hope this is correct sorry if I'm wrong
Step-by-step explanation:
you add all of them together and they have to get to 180 so 26+51=77 77+103=180
Answer:
the answer is 12.88
Step-by-step explanation:
No, but 54 is a multiple of 6