299 Answered Questions for the topic discrete mathematics

2d

#### Relation Math Question

Let R = {(a,b)∣a divides b} be a relation on the set {Z}^+Which of the following statements are correct? Tick all the corresponding answers.a) R ⊆ Z^+ × Z^+b) R is reflexive.c) R is...
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7d

#### An employee joined a company in 2019 with a starting salary of 120,000 Dhs per year. Every year this employee receives araise of 5% of the salary of the previous year.

a. Set up a recurrence relation for the salary of this employee. (Open formula)b. Find an explicit formula for the salary of this employee n years after 2019. (Closed formula)c. What...
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7d

#### produces car number plates by choosing a positive integer less than 100,000 followed a category number no exceeding 100.How many different car plates can traffic police produce using these criteria?

I need an answer ASAP PLEASE!

7d

#### c. A license plate begins with three letters. If the possible letters are A, B, C, D and E, how many different permutations of these letters can be made if no letter is used more than once?

I need an answer ASAP PLEASE!

7d

#### How many permutations of the letters STUVWXZA contain the strings UVW or ST?

I need an answer to this question ASAP!

7d

#### How many bit strings of length 15 contain at least three 1s and at least three 0s?

I need an answer to this question ASAP!

Discrete Mathematics Discrete Math

16d

#### 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))

27d

#### 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...
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Discrete Mathematics Discrete Math

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.

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

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

08/16/21

#### Law of Variance question: If V (Y) = 12, then V (4Y - 8) :

If V (Y) = 12, then V (4Y - 8) ?

08/11/21

#### Discrete Math (Urgent)

Question : Suppose that A and B are finite sets. Prove that A × B is finite.Book : Set Theory (0th)-CunninghamChapter 5.1 and problem number 20 and page no. 116

08/11/21

#### Discrete Math (Urgent)

Question : Suppose that f : A → B is onto B where A is finite. Prove that B is finite.Book :...
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08/11/21

#### Discrete Math (Urgent)

Let A be a finite set. Prove that there exists an f : n → A that is onto A for some n ∈ ω.

08/11/21

#### Discrete Math Question (Urgent)

Let n ∈ ω. Suppose that f : n → A is onto A. Prove that A is finite.

Discrete Mathematics Discrete Math

07/27/21

#### discreate mathmatics

Express the following English statement using quantifiers and find out the negation of the quantifiedexpression. Convert the negation of the quantified expression into English statement.“All the...
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#### provide a simple formula or rule that generates the terms of an integer sequence

For the lists of integers, provide a simple formula or rule that generates the terms of an integer sequence that begins with the given list. Assuming that your formula or rule is correct, determine...
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Discrete Mathematics Discrete Math

05/06/21

#### We are doing this new topic in discrete math and I need this one question done

https://imgur.com/a/pVUaDfxSorry I couldn't write up the question its really complex to write and there was no picture upload option so here is the question^. I do need help as soon as possible...
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04/23/21

#### In a drug study of a group of 500 patients, 150 patients responded positively to drug #1, 200 patients responded positively to drug #2 and 90 patients responded positively to both drug #1 and drug #2.

8. In a drug study of a group of 500 patients, 150 patients responded positively to drug #1, 200 patients responded positively to drug #2 and 90 patients responded positively to both drug #1 and...
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Discrete Mathematics Discrete Math

04/23/21

#### ...what is the probability that two women and a man will give presentations on the second day?

A graduate class in computer science consists of six students, three men, and three women. During the last two days of the semester, presentations are made by the students, three presentations on...
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