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Answer: The ratio is
The ratio is simply the counts divided: 46 divided by the 310 of seniors. The ratio is normally kept as a fraction. If you like you can also write an approximate decimal expansion:
The equation of an ellipse for the graph shown is
Since the given coordinates of the vertices and foci have the form (-5, 0) and (5, 0) and (-2, 0) and (2, 0) respectively, this ultimately implies that the major axis of this ellipse is the x-axis.
Thus, the standard form of the equation of this ellipse is given by:
Next, we would solve for b² by using this equation:
b² = a² - c²
b² = 5² - 2²
b² = 25 - 4
b² = 21.
Substituting the parameters into the standard equation of an ellipse, we have;
Read more on ellipse here: brainly.com/question/14468579
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