Compute height of tree on hillside casts the shadow
The tree on hillside casts the shadow 200 ft down the hill. If angle of inclination of hillside is is 23 degrees to horizontal and angle of elevation of sun is 54 degress, determine height of tree.
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The nautical mile equals length of arc subtended by the central angle of 1 minute on the great circle on surface of Earth. If radius if Earth is taken as 3960 miles, state 1 nautical mile in terms of ordinary miles.
The tobacco industry closely monitors all surveys which involve smoking. One survey showed that among 785 randomly chosen subjects who completed four years of college, 18.3% smoke.
Dividing the variance of the population of individuals by the number of individuals in each sample gives:
Find slopes of tangent lines to circle 2) For (x - 4)^2+ (y - 3)^2= 16 that both pass through point (5, -1). Radius should be distance from center of circle to each tangent line.
For a particular known population, the mean is 100 and the variance is 25. A researcher conducts a study in which 10 participants are exposed to an experimental procedure. To test the hypothesis that the population these 10 participants represent
A real estate developer is considering investing in the shopping mall on outskirts of Atlanta, Georgia. Five parcels of land are being evaluated. Of specific importance is the income in area surrounding the proposed mall. A random sample is chosen
Twelve people go to the store. Eight people buy apples, six students buy oranges, and two students buy nothing at all. What is the probability that the people who bought apples also bought oranges?
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