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Recurrence Relation

A vending machine accepts only pennies and nickels. a) Find a recurrence relation for the number of ways to deposit n cents where the order in which coins are deposited matters. b) What are the initial conditions for the recurrence? c) Use the recurrence to count the number of ways to deposit 12 cents.

Subject:

Math

Topic:

Discrete Structures

Posting ID:

110996

OTA ID:

101298

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Recurrence Relation

Solve the recurrence relation a(n)=3a(n-1)+10a(n-2) with the initial conditions a(0)=0 and a(1)=2. Solve the recurrence relation a(n)=3a(n-1)+10a(n-2) +12 with the initial conditions a(0)=0 and a(1)=2. For a particular solution, try a(n)=C, a constant.

Subject:

Math

Topic:

Discrete Structures

Posting ID:

110997

OTA ID:

105303

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Equivalence Relation

H is the relation on the set of all people given by H = {(a,b)|a and b are the same height}. Is H an equivalence relation? Explain your answer.

Subject:

Math

Topic:

Discrete Structures

Posting ID:

110998

OTA ID:

105597

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Committee Problem

A committee of size seven is to be selected from a group of ten people. In how many ways can this be done?

Subject:

Math

Topic:

Discrete Structures

Posting ID:

111026

OTA ID:

105167

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Reflexive, Symmetric and/or Transitive

NOTE: I cannot correctly indicate the symbol to show "is a member of" so I have used "E" in it's place. Determine if the relation R on the set of all people is reflexive, symmetric and/or transitive where (x,y) "E" R if and only if x and y live within one mile of each other.

Subject:

Math

Topic:

Discrete Structures

Posting ID:

111027

OTA ID:

103300

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