To measure the height of the cloud cover at an airport, a worker shines a spotlight upward at an angle 75° from the horizontal. an observer at a distance d = 590 m away measures the angle of elevation to the spot of light to be 45°. find the height h of the cloud cover,

The angle from the Spotlight is 75º, the angle of the elevation of the spotlight is 45º, so the 3rd angle is 60º(180-75-45 =60).
Use the law of sines to find the distance "s" from the observer to the cloud:

515/sin(60) = s/sin(75)
s = 515*sin(75)/sin(60)
s = 574.41 meters
Then, the height is s*sin(45)
s = 406.17 meters

part a

in a city ice cream is mostly only bought when the temperature is very high as ice cream cools down our

so we can derive the conclusion that as the temperature increases the number of ice creams sold also increases

part b

y intercept is 5

slope is 2

happy to

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