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3 years ago

15

The combined area of the photo and mat needs to be 224 square inches. The equation that represents the combined area is (2w+8)(2

w+10)=224, where w represents the width of the mat around the photo.

1 answer:

Charra [1.4K]3 years ago

7 0

Hopfully one of them is what you wanted

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An airplane pilot over the Pacific sights an atoll at an angle of depression of 5 . At this time, the horizontal distance from t

Aleonysh [2.5K]

Answer:

404.98 m

Step-by-step explanation:

The angle of depression is 5°

The horizontal distance from the airplane to the atoll is 4629 meters.

We need to find the height of the plane.

If we consider a triangle. 4629 meters will be the base and angle is 5°. Let h is the height of the plane. Using trigonometry to find it :

$\tan\theta=\dfrac{x}{4629 }\\\\\tan(5)=\dfrac{x}{4629 }\\\\x=\tan(5)\times 4629 \\\\x=404.98\ m$

So, the height of the plane is 404.98 m.

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