If an additional dot is added to the set in the 3 column, how will the mean change? What will the new mean be?
2 answers:
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Answer:
574.8 miles
Step-by-step explanation:
Given:
An average speed of Wilma from City A to City B = 60 miles per hour
She stayed in City B 15 hours.
An average speed of Wilma from City B to City A = 35 miles per hour.
Whole time taken including 15 hours stay in city B = 41 hours
Question asked:
How many miles is City A from City B ?
Solution:
Total time taken including 15 hours stay in city B = 41 hours
Total time taken on the trip excluding stay in city B = 41 - 15 = 26 hour
Let time taken during from city A to city B =
Time taken during from city B to city A =
As distance traveled from city A to city B is equal to distance traveled from city B to city A:-
And by using :
Distance traveled from city A to city B = Distance traveled from city B to A
=
Adding both sides by
Dividing both sides by 95
Distance traveled from city A to city B =
= 60 9.58
= 574.8 miles
Therefore, there are 574.8 miles from City A to City B.
Answer:
x=1, y= -2
Step-by-step explanation:
Please see the attached pictures for full solution.
