1. Which of the following situations does NOT illustrates combination?
A. Enumerating the subjects of a set
B. Selecting 2 songs from 10 choices for an audition piece
C. Identifying the lines formed by connecting some given points on a plane
D. Fixing the schedule of a group of students who must take exactly 8 subjects
2. If w= C(5,2), x= C(5,3), y= C(5,4), z= C(5,5), and we are given 5 points on a plane of which no three are collinear, which expression gives the total number of polygons that can be drawn?
A. x+y
B. w+x+y
C. x+y+z
D. w+x+y+z
(Show your solution in No. 2 please thankyouu)
A. Enumerating the subjects of a set
B. Selecting 2 songs from 10 choices for an audition piece
C. Identifying the lines formed by connecting some given points on a plane
D. Fixing the schedule of a group of students who must take exactly 8 subjects
2. If w= C(5,2), x= C(5,3), y= C(5,4), z= C(5,5), and we are given 5 points on a plane of which no three are collinear, which expression gives the total number of polygons that can be drawn?
A. x+y
B. w+x+y
C. x+y+z
D. w+x+y+z
(Show your solution in No. 2 please thankyouu)
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Answer:
b
c
Step-by-step explanation:
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