Mathematics, 09.07.2019 11:00 kimarley816
The diameter of a circle is 18 cm. what is its area in terms of π. 324π cm2 81π cm2 180π cm2 18π cm2
Answers: 1
Mathematics, 21.06.2019 13:00
How many different ways can you make change for $.50 using only nickels,dimes, and quarters?
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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
The diameter of a circle is 18 cm. what is its area in terms of π. 324π cm2 81π cm2 180π cm2 18π cm2...
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