Answer: Marianne would have to get a 79 on her final test.
Step-by-step explanation: In order to get the average, you have to add all of your numbers up and multiply by how many numbers you have (in your case, 3) and you will find your answer.
79+81+77=237 237 divided by 3 is 79. ( Sorry I used a calculator :( )
Answer:
b
Step-by-step explanation:
2.5 hours
brainliest?
Parallel lines have the same slope
The equation of the line is: 
The equation is given as:
The slope intercept form of an equation is:
Where:
By comparison,
The line is said to be parallel to .
This means that the line has a slope of
The equation of the line is then calculated as:
Where:
So, we have:
Substitute values for m, x1 and y1
Open brackets
Hence, the equation of the line is:
See attachment for the graphs of and
Read more about equations of parallel lines at:
brainly.com/question/402319
Answer:
sqrt(82)
Step-by-step explanation:
sqrt[(20-11)² + (-4--3)²]
sqrt(81+1)
sqrt(82) or 9.055 units
sqrt: square root
Answer:
100 times larger
Step-by-step explanation:
The digit 3 in 832,719 has the value of 30,000.
The digit 3 in 824,319 has the value of 300.
30,000/300 = 100
