Answer:
- It's not possible to earn an A in the course
- I must have a 73 or MORE to earn a B in the course
Step-by-step explanation:
The average obtained at the end of the course will be:

Where x is the grade obtained in the final examination and av is the final average. To obtain an A, av has to be at least 90, av≥90, and to obtain an B, av has to be at least 80, av≥80
- Is an A in the course possible?
So, if we get 100 on the final average:
x = 100,
av = (85+78+84+100)/4 = 86,75 and 86,75∠90.
<em>Answer: No, the higher grade obtained would be 86,75.</em>
- What grade you must have in the final to earn a B in the course
To earn a B, av≥80:

<em>Answer: I must have a 73 or MORE to earn a B in the course</em>
Answer:
-4m + 4
Step-by-step explanation:
you distribute the -4 to the m making -4m and then distribute -4 to the -1 which makes +4
Answer: The answer is 275,365 cm³ I just took the test so I know this is correct
Step-by-step explanation:
Answer:
Step-by-step explanation:
s= student ticket
g= general admisson ticket
4s+6g=2876
s+g=525
4s+6g=2876
-4s-4g=-2100
add both equations
2g=776
g=388
s+g=525
s+388=525
s=137