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addisonrausch
24.07.2019 •
Mathematics
Will give the table below represents the distance of a car from its destination as a function of time: time (hours) x distance (miles) y 0 900 1 850 2 800 3 750 part a: what is the y-intercept of the function, and what does this tell you about the car? (4 points) part b: calculate the average rate of change of the function represented by the table between x = 1 to x = 3, and tell what the average rate represents. (4 points) part c: what would be the domain of this function if the car traveled the same rate until it reached its destination? (2 points)
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Ответ:
B: The average rate of change is 50, meaning the car goes 50 miles per hour towards its destination.
C: The domain of the function would be 0-18 since the car reaches its destination after 18 hours.
Ответ:
If the base is in the form of an equilateral triangle 180 m on each side, then the perpendicular distance from any vertex of the triangle to the opposite side is found using the formula h = (180 m) sin (60 deg), or 180sqrt(3)/2, or 90sqrt(3).
The area of the base is A = bh/2, which here is A = [(180 m)(90sqrt(3))], or
28059 square meters. Then the VOLUME is (28059 m^2)(25 m) = 701475 cubic meters.