Mathematics, 25.07.2019 02:40 tasnimsas3
Dale drove 845 miles in 13 hours. at the same rate, how long would it take him to drive 585 miles?
Answers: 1
Mathematics, 21.06.2019 17:00
You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?
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What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?
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Two numbers have a sum of 93. if one number is p, express the other number in terms of p.
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Mathematics, 22.06.2019 02:40
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
Dale drove 845 miles in 13 hours. at the same rate, how long would it take him to drive 585 miles?...
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