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1 answer:
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Answer: The slope is 5
Step-by-step explanation:
You can calculate the slope of the line with this fomula:
Given the points (2,3) and (1,-2), you can identify that:
Now, the final step is to substitute these values into the formula , getting that the slope of this line is:
ANSWER
D. 4 minutes 40 seconds
EXPLANATION
The given data set showing the number of seconds of each song the playlist is:
283,204,198,229,173,230,168,236,215,204
Let the length of the 11th song be x.
Because he wants the mean to be 3 minutes 40 seconds, which is equal to 220 seconds, we write and solve the following equation for x.
We convert 280 seconds to minutes.
The correct choice is D