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A mirror is the shape of an ellipse defined by y^2/7.29 + x^2/6.25 = 1 with units in feet. Which statement identifies the
orientation of the mirror and its greatest dimension?

Sagot :

Answer:

a (The mirror has a vertical orientation and is 5.4 ft tall.)

Step-by-step explanation:

a on edg 2021 ^u^

Answer: A. The mirror has a vertical orientation and is 5.4 ft tall.

Step-by-step explanation:

Since the y^2 value is being added first, and the value in its denominator is greater, we know that the ellipse has a vertical major axis.

Therefore, its orientation is vertical.

The square root of is 7.29, so 2.7 is the distance from the center to one of the ellipse's vertices. (You can research further into the equation for ellipses with vertical major axes to learn why that is.)

Multiply 2.7 * 2 = 5.4 to determine the full height of the mirror.

Yay! We figured out that "the mirror has a vertical orientation and is 5.4 ft tall".

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