The Eagle Club wants to build a chain of 2,505 dominoes. If they have already set up 807 dominoes, how many more do they need to
2 answers:
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The points are (2,150), (4,200).
The slope of the line joining the points is,
Thus, the slope represents the increse in cost per year of membership.
The given triangle is a right angled triangle,
so let's apply trigonometry here :
Now,
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