Answer:The answer would be b
Step-by-step explanation:
For both of the contests, the variable is the number of competitors which we can set as x.
Consequently, the equation should be 5.50x+34.60=4.25x+64.60
5.50x=4.25x+30
1.25x=30
x=24
The fee of the contests is the same when there are 24 competitors
Answer:
A. the rational number system is closed under addition, but not multiplication
Step-by-step explanation:
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<span>In statistics, an outlier is an observation point that is distant from other observations.
Given the points
15, 23, 24, 26, 27 and 35
Notice, that the points 15 and 35 are distance from the other points and hence are outliers.
The mean of the observations including the outliers is given by

The mean of the observations without the outliers is given by

Therefore, </span>when <span>the outliers are removed,
the mean remains the same.</span>