The mean of a sequence of numbers is the average.
The true statement is: 
The given parameters are:


The mean of a dataset is calculated as:

So, we have:

Multiply both sides by m

When the sequence is split into two, we have:


Where:

So, we have:

Hence, the true statement is: 
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brainly.com/question/16217700
Answer:
A+3B=C
Step-by-step explanation:
A=Admisson Cost
3B=$3 per book
C=Total Cost
Answer:
corresponding
Step-by-step explanation:
they are both label 1 and are in the same side first angle.
Answer:
18in
Step-by-step explanation: