A store manager records the total visitors and sales, in dollars, for 10 days. The data is shown in the scatter plot. What concl
usion can the store manager draw based on the data?
Question 3 options:
An increase in sales causes a decrease in visitors.
An increase in sales is correlated with a decrease in visitors.
An increase in visitors is correlated with an increase in sales.
Question 3 options:
An increase in sales causes a decrease in visitors.
An increase in sales is correlated with a decrease in visitors.
An increase in visitors is correlated with an increase in sales.
1 answer:
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Answer:
We draw line AB which is perpendicular to the 14 cm side
Since Angle C is 60 degrees that makes angle CAB = 30 degrees
Triangle CAB is a 30 60 90 triangle so line CB is half the hypotenuse or 5 cm
Line BD equals 9 cm
Line AB^2 = 10^2 - 5^2 = 75
Line AD^2 = AB^2 + BD^2
Line AD^2 = 75 + 81
Line AD^2 = 156
Line AD = 12.4899959968
Line AB = Sqr root (75) = 8.6602540378
Angle D = arc sine (8.6602540378 / 12.4899959968)
Angle D = 43.898 degrees
Angle A = 180 - 60 - 43.898 = 76.102 degrees
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Actually this could have been done a little easier by using the Law of Cosines and then the Law of Sines, but I just thought I'd show another way to solve this.
Step-by-step explanation:
