Mathematics, 20.03.2022 14:00 shahidcade2721
Subtract the expressions. Show or explain at least two steps of your process.
(3y^2-4y+5)-(4y^2+2y-9)
Multiply the two binomials. Show or explain at least two steps of your process.
(5x-8) (3x+1)
Answers: 3
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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 ?
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Subtract the expressions. Show or explain at least two steps of your process.
(3y^2-4y+5)-(4y^2+2...
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