Mathematics, 12.02.2021 09:10 molly7654
During a flight, a hot air balloon is observed by two persons standing at points
A and B as illustrated in the diagram. The angle of elevation of point A is 28
degrees. Point A is 1.8 miles from the balloon as measure along the ground. What
is the height, h, of the balloon?
Answers: 2
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On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.
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During a flight, a hot air balloon is observed by two persons standing at points
A and B as illustr...
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