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Discrete Math

11/22/21

discrete math ee

. Events A, B, and C in a sample space have P(A)=0.2, P(B)=0.4, P(C)=0.5, P(~B ∪ ~C)=0.9, and P(A ∪ C)=0.6. Find P(A ∪ B ∪ C) if A and B are mutually exclusive.

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Discrete Math

11/22/21

discrete math e

Events A, B, and C in a sample space have P(A)=0.2, P(B)=0.4, and P(A ∪ B ∪ C)=0.9. Find P(C) if A and B are mutually exclusive, A and C are independent, and B and C are independent.

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Discrete Math Math Functions

11/20/21

let f: R-->R be a function defined as f(x) = (x+2)^2. Determine wether the function is one to one

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Discrete Math Discrete Mathematics

11/16/21

Proof Maths Help

For the following claimed logical equivalence, determine whether it is true or false. Give a proof if it is true, and give a counterexample if it is false. ∀xP(x)∨∀xQ(x)≡∀x(P(x)∨Q(x))

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Discrete Math

11/16/21

For the following ‘proof’, find the mistake and explain how it can be rectified.Theorem: There exists a natural number that is divisible by 6, and that can be written as (n + 1)(n + 2), for some... more

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Discrete Math

11/16/21

Proofs Discrete Maths

For the following ‘proof’, find the mistake and explain how it can be rectified. Theorem: For every natural number x, x is even if and only if x^2x2 is even.Proof: Let x be an even number. Then, by... more

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Discrete Math Proofs Finite Math

11/13/21

If the following statement is false, provide a counterexample; if the following statement is true, write a proof: "For all integers a,b, and c if a|bc then a|b or a|c".

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Discrete Math Finite Math

11/12/21

If the following statement is false, provide a counterexample; if the following statement is true, write a proof: "For all integers a,b, and c if a|bc then a|b or a|c".

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Discrete Math

11/12/21

A = {1, 3, 5, 7, 9} B = {1, 2, 3, 4, 5, 6} (A U B) - (A ∩ B) =? // I'm a little confuse

Choicesa. {1, 2, 4, 6, 7, 9}b. {3. 5}c. {2, 4, , 6, 7, 9}d. {1, 2, 3, 4, 5, 6, 7, 9}

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Discrete Math

11/04/21

Logical reasoning validity question

Use truth tables to show whether the following arguments are valid. If the argument is valid, explain why. If the argument is not valid, give a counterexample. 1. A ∨ B B2. C ∨ DD ∨ ~CD

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Discrete Math Math Calculus Discrete Mathematics

11/04/21

word problem question below, please show workings.

A system development project calls for five different tasks to be assigned to Maria, Jon, and Suzanne. In how many ways can the assignment be done if each of the three workers must get at least one... more

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Discrete Math Math Discrete Mathematics

11/04/21

prove that [x] + 1 = [x + 1]

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Discrete Math Calculus Pre Calculus Product Notation

11/03/21

Product Notation Question.

I can't find how to use the actual notation, but I'll write it out:Capital PI from k=4 to n = 1/k+1I believe the answer is 1/n!+1, but I'm not for sure. Any help is appreciated thanks.

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Discrete Math

10/26/21

Solve the system of congruences

Solve the system of congruences ( 2x + 6y ≡ 3 (mod 15) 3x + 7y ≡ 6 (mod 15)

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Discrete Math

10/26/21

discrete math. Solve the recursion relation

Solve the recursion relation an = 2an−1 + 3an−2 + 4n + 4, a0 = 1, a1 = 1.

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Discrete Math

10/24/21

Proving theorems using predicate calculus laws

[ ¬P => (P => Q) ][ (P => Q) => (P => (Q \/ R)) ]How would I prove these 2 theorems?

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Discrete Math Discrete Mathematics

10/19/21

Partial Order Relations

Let A = Z. Let R be defined on A × A where xRy if x ≤ y . Prove that R is a partial order relation.

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Discrete Math Geometry Discrete Mathematics

10/17/21

How do you prove Binet's Formula for Fibonacci Numbers using mathematical induction?

The Fibonacci numbers form the sequence 1, 1, 2, 3, 5, 8, 13, 21, 34, ...where F1 = 1, F2 = 1, FN = FN-2 + FN-1.Binet's Formula is:FN = ([(1+√5)/2]N - [(-1+√5)/2]N)/√5

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Discrete Math Statistics Probabliity

10/12/21

please help me: would an electoral college be fair explain based on solutions below

would an electoral college be fair explain based on solutions belowFind the shapley shubik power distribution.Determine all the sequential coalitions and find the shapley shubik power... more

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Discrete Math

10/11/21

Set Theory Proof

Let S1,S2,S3 be sets. Prove that (S1\S2)∪(S2\S3) ⊆ (S1 ∪S2)\(S1 ∩S2 ∩S3).

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Discrete Math Calculus Calculus

10/10/21

why isnt anyone answering ASAP Determine all the sequential coalitions and find the shapley shubik power distribution

Determine all the sequential coalitions and find the shapley shubik power distribution[10.5 : 5,5,6,3]SHOW ALL WORK

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Discrete Math Calculus Calculus

10/10/21

why isnt anyone answering ASAP Determine all the sequential coalitions and find the shapley shubik power distribution

Determine all the sequential coalitions and find the shapley shubik power distribution[10.5 : 5,5,6,3]SHOW ALL WORK

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Discrete Math

10/09/21

How is this problem onto?

f: Z → Z f(x) = 2x + 34Can someone tell me how this is onto? I miss this question on the quiz and the answer was one to one and onto. I do not understand why it is onto. I only see this f(x) or y =... more

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Discrete Math

10/08/21

why isnt anyone answering question for a whole week

determine all the winning coalitions and find banzhaf power distribution (Show all work)[16:5,5,11,6,3]

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Discrete Math Computer Computer Science Discrete Mathematics

10/08/21

find x if 283(x)=A2(16)-153(80)+100110(2) discrete mathematics

i really ned help with this problem i'm in discrete mathematics and i don't know where to begin

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discrete math ee

discrete math e

let f: R-->R be a function defined as f(x) = (x+2)^2. Determine wether the function is one to one

Proof Maths Help

Discrete Maths Help

Proofs Discrete Maths

If the following statement is false, provide a counterexample; if the following statement is true, write a proof: "For all integers a,b, and c if a|bc then a|b or a|c".

If the following statement is false, provide a counterexample; if the following statement is true, write a proof: "For all integers a,b, and c if a|bc then a|b or a|c".

A = {1, 3, 5, 7, 9} B = {1, 2, 3, 4, 5, 6} (A U B) - (A ∩ B) =? // I'm a little confuse

Logical reasoning validity question

word problem question below, please show workings.

prove that [x] + 1 = [x + 1]

Product Notation Question.

Solve the system of congruences

discrete math. Solve the recursion relation

Proving theorems using predicate calculus laws

Partial Order Relations

How do you prove Binet's Formula for Fibonacci Numbers using mathematical induction?

please help me: would an electoral college be fair explain based on solutions below

Set Theory Proof

why isnt anyone answering ASAP Determine all the sequential coalitions and find the shapley shubik power distribution

why isnt anyone answering ASAP Determine all the sequential coalitions and find the shapley shubik power distribution

How is this problem onto?

why isnt anyone answering question for a whole week

find x if 283(x)=A2(16)-153(80)+100110(2) discrete mathematics

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