Answer:
90
Step-by-step explanation:
Find total marks needed for a 90.
90 x 4 = 360 marks
Then, add up the marks on the three tests.
83+91+86 = 260 marks
Finally, subtract from the 360 marks needed.
360 - 260 = 100
Thus, the student needs to score 100 marks in order to get a 90.
Answer:
5.2
Step-by-step explanation:
u have to divide 260 by 5 and the answer is 5.2
Answer:
$54.00
Step-by-step explanation:
Ok so not sure how to explain but here is my work.
I took 45 and found 20%. Which is 9. I will then add that back into the original 45 which comes out to a grand total of 54.
These lines are parallel because they have the same slope, 2, however they have a different y-intercept, 8 and 2 respectively. Parallel lines with different y-intercepts will never cross so there is no solution.
Well this is hard just try ur best
