Mathematics, 23.11.2020 20:50 chem1014
2) From a boat on the river below a dam, the angle of elevation to the top of the dam is 24°8'. If the
dam is 2039 feet above the level of the river, how far is the boat from the base of the dam (to the
nearest foot)?
3) If a man is just about to ski down a steep mountain. He estimates the angle of depression from where
he is now to the flag at the bottom of the course to be 24º. He knows that he is 800 feet higher than the
base of the course. How long is the path that he will ski? (Round to the nearest foot)
4a) A man at ground level measures the angle of elevation to the top of the building to be 67º. If at this
point, he is 15 feet away from the building, what is the height of the building?
4b) The same man now stands atop a building. He measures the angle of elevation to the building
across the street to be 27° and the angle of depression (to the base of the building across the street) to
be 31°. If the two buildings are 50 feet apart, how tall is the taller building?
2
Answers: 2
Mathematics, 21.06.2019 15:30
Kylie explained that (-4x+9)^2 will result in a difference of squares because (-4x+9)^2 (-4x+9)^2 =(-4x)^2+(9)^2=16x^2+81
Answers: 3
Mathematics, 21.06.2019 19:30
Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours
Answers: 1
2) From a boat on the river below a dam, the angle of elevation to the top of the dam is 24°8'. If t...
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