Mathematics, 05.03.2020 00:26 chloesmolinski0909
Suppose that f and g are two functions with the same domain. If f(x)equalsg(x) for every x in the domain, the equation is called a(n) . Otherwise, it is called a(n) equation.
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Mathematics, 21.06.2019 19:30
For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?
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Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.
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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
Suppose that f and g are two functions with the same domain. If f(x)equalsg(x) for every x in the do...
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