Trigonometry problem
1. From The Top of a 200 meters High Building The Angle of depression to T...
Mathematics, 13.02.2020 13:52 Chynnab7416
Trigonometry problem
1. From The Top of a 200 meters High Building The Angle of depression to The Bottom Of a second building is 30 degrees from the same point the angle of elevation to the top of the second building is 60 degrees calculate the height of the second building
Answers: 1
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Exercise: counting committees 0.0/2.0 puntos (calificable) we start with a pool of n people. a chaired committee consists of k≥1 members, out of whom one member is designated as the chairperson. the expression k(nk) can be interpreted as the number of possible chaired committees with k members. this is because we have (nk) choices for the k members, and once the members are chosen, there are then k choices for the chairperson. thus, c=∑k=1nk(nk) is the total number of possible chaired committees of any size. find the value of c (as a function of n ) by thinking about a different way of forming a chaired committee: first choose the chairperson, then choose the other members of the committee. the answer is of the form c=(α+nβ)2γn+δ. what are the values of α , β , γ , and δ ?
Answers: 3
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