Q:4 At an amusement park, you pay for attractions using tokens. There are five different attractio which cost 3 tokens each, and one attraction which cost 5 tokens. You have 42 tokens and you wa to use all of them. How many different selections of attractions are there?

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Chapter1: Combinatorial Analysis
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Find the number of terms, n, in the arithmetic sequence.
Q:4 At an amusement park, you pay for attractions using tokens. There are five different attractions
which cost 3 tokens each, and one attraction which cost 5 tokens. You have 42 tokens and you want
to use all of them. How many different selections of attractions are there?
Q:5 (a) Find the sum of the geometric series 1+1/2+1/4+1/6
(b) The nth term of two arithmetic progressions, A and B, are:
An +== 12 + (n-1)5
Bn = 18 + (n-1)3
Q:6 show that
1
2n+1 -1
k+1
%3D
n+1
Transcribed Image Text:Find the number of terms, n, in the arithmetic sequence. Q:4 At an amusement park, you pay for attractions using tokens. There are five different attractions which cost 3 tokens each, and one attraction which cost 5 tokens. You have 42 tokens and you want to use all of them. How many different selections of attractions are there? Q:5 (a) Find the sum of the geometric series 1+1/2+1/4+1/6 (b) The nth term of two arithmetic progressions, A and B, are: An +== 12 + (n-1)5 Bn = 18 + (n-1)3 Q:6 show that 1 2n+1 -1 k+1 %3D n+1
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