Find the values of x and y.
1 answer:
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Answer:
D. and
.
Step-by-step explanation:
We have been given that one a recent trip, Cindy drove her car 290 miles, rounded to the nearest 10 miles, and used 12 gallons of gasoline, rounded to the nearest gallon.
The range of miles driven would be between because number of miles in rounded to nearest 10 miles.
The range of gallons of gasoline would be because number of gallons of gasoline in rounded to nearest gallon.
To find mileage, we will divide number of miles by number of gallons.
The possible number of gallons of gasoline will be 12.5 gallons for 285 miles to get the minimum number of miles.
Similarly, the possible number of gallons of gasoline will be 11.5 gallons for 295 miles to get the maximum miles.
Therefore, our required range would be and
.
Using a linear function, it is found that the estimated French score is of 38.1875.
A <em>linear function</em> has the following format:
In which:
- m is the slope.
- b is the y-intercept.
Searching the problem on the internet, it is found that two points of the line of best-fit are: (10,65) and (90,26).
The slope is given by <u>change in the output divided by the change in the input</u>, hence:
Then:
Point (10,65) means that when , and this is used to find b.
Hence:
For a student who got 65 in math, x = 65, and hence:
The estimated French score is of 38.1875.
For more on linear functions, you can check brainly.com/question/16302622
Answer:
268
Step-by-step explanation:
Area for surface area of a rectangular prism:
Assuming:
Hope this helps!