Answer:
See explanation
Step-by-step explanation:
Given
See attachment for proper presentation of question
Required
Mean and Range
To do this, we simply calculate the mean and the range of each row.
---- mean
Where:
---- number of rows
--- range
So, we have:
Sample 1




Sample 2




Sample 3




Sample 4




Sample 5




Sample 6




Sample 7




Sample 8




Sample 9




Sample 10




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Sample 15




<span>When (1, 2) is substituted into the first equation, the equation is true.
</span><span>The ordered pair (1, 2) is not a solution to the system of linear equations.</span>
Answer:
Step-by-step explanation:
Total distance /total time=total speed
600÷60=10hrs
300÷75=4hrs
I0-4=6
V=300÷6=50km/h
<h3><u>Question:</u><u>-</u></h3>
A coca cola costs 150 yen. You buyed 30 bottles of cola and sold them at the price of 155 yen each. Find profit %
<h3><u>Answer</u><u>:</u><u>-</u></h3>
3.33%
<h3><u>Explanation</u><u>:</u><u>-</u></h3>
Cost price = ¥150
Selling price = ¥155
Total profit = Selling price - Cost price
→ = ¥155 - ¥150
→ = ¥5
Profit % = Profit × 100/cost price
️ = 5 × 100/150
️ = 10/3 = 3.33%