An aircraft factory manufactures airplane engines. The unit C(the cost in dollars to make each airplane engine) depends on the n
1 answer:
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Answer:
13.
12.
11.
10.
9.
8.
7.
6.
5.
4.
3.
2.
1.
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Step-by-step explanation:
13.
12.
11.
10.
9.
8.
7.
6.
5.
4.
3.
2.
1.
D O N ' T G E T H O O K E D
___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___
6 1 10 3 9 8 7 13 2 12 11 5 4
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Answer:
a = -0.3575
Step-by-step explanation:
The points A and D lie on the x-axis, this means that they are the x-intercepts of the parabola, and therefore we can find their location.
The points A and B are located where
This gives
Now given the coordinates of A, we are in position to find the coordinates of the point B. Point B must have y coordinate of y=2 (because the base of the trapezoid is at y=0), and the x coordinate of B, looking at the figure, must be x coordinate of A plus horizontal distance between A and B, i.e
Thus the coordinates of B are:
Now this point B lies on the parabola, and therefore it must satisfy the equation
Thus
Therefore
