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163 Answered Questions for the topic discrete mathematics

Discrete Mathematics Discrete Math

07/10/20

Prove that N has the same carnality as {m€Z m is even Λ m ≤ -100}

Prove that N has the same carnality as {m€Z m is even Λ m ≤ -100}
Discrete Mathematics Equation Sum

04/30/20

finding an sum equation - Combinatorics

I need help finding an equation for the next formula and getting rid of the SUM sign
Discrete Mathematics Discrete Math

04/17/20

Let n ∈ Z. Prove if n − 2 is even, then 3n 2 + 5 is odd.

Discrete Mathematics Statistics Discrete Math

01/17/20

Mathematics IT (Discrete Structures)

For items 31 – 34. Fill in the blanks with word to complete the statement.a. Negation                     b. Tautology            c. Aristotle        d. Premise 31. The father of logic... more
Discrete Mathematics Math Discrete Math

01/16/20

2. Select all and only the correct choices below.

2. Select all and only the correct choices below.(a) Suppose you were told that the positive integer n1 has the property that n1 div 2 = 0. Whichof the following can you conclude?i. n1 has a binary... more
Discrete Mathematics Discrete Math Computer Science

01/14/20

r mod 16 = 0 and g mod 16 = 0 and b mod 16 = 0. Give three distinct examples of such colors.

Suppose you were told that the colors that will work best for your web app are (r, g, b) wherer mod 16 = 0 and g mod 16 = 0 and b mod 16 = 0. Give three distinct examples of suchcolors. For each... more
Discrete Mathematics Math Discrete Math

12/23/19

Prove the division theorem.

I need the proof of the division theorem for positive integers using induction.
Discrete Mathematics Math Discrete Math

12/23/19

Division theorem by induction.

Help! How can I prove the division theorme for positive integers using induction?
Discrete Mathematics Math Sat Math

12/04/19

Pattern Proof - Logic

Symbolize and test for the validity of the following arguement using pattern proof If u send me a message then I will come to meet you. If you do not send me a message then I will go to China.... more
Discrete Mathematics Math Sat Math

11/08/19

any ideas in how to solve this problem ?

A coin is tossed four times. Then it is tossed again, the number of times a head was obtained in the first four tosses. What is the probability of getting at least 5 heads altogether?
Discrete Mathematics Math Statistics

10/30/19

can I get some explanation for this problem please

A coin is tossed four times. Then it is tossed again, the number of times a head was obtained in the first four tosses. What is the probability of getting at least 5 heads altogether?
Discrete Mathematics Math Statistics

10/24/19

I can anyone help me understanding this problem

Let F and G be sequences which satisfy the joint recursion:𝐹𝑛+1 = 𝑎𝐹𝑛 + 𝑏𝐺𝑛𝐺𝑛+1 = 𝑐𝐹𝑛 + 𝑑𝐺𝑛Where a, b, c, and d are non-zero constants. Find recursions for F and G individually.
Discrete Mathematics Discrete Math Logic

10/18/19

Clausal and Axiom Forms

How do we represent the above facts in 1)axiom form and 2)clausal form1) All babies are innocent2) Anyone who is innocent and affectionate will be loved by others3) Anyone who is loved by... more
Discrete Mathematics Math Discrete Math

10/18/19

please try to explain it as much as you can

Sixteen L shapes like the ones below have been fitted into a rectangular shape. Each L has one hole, and there are four of each type in the rectangle. No two pieces of the same type are... more
Discrete Mathematics

10/16/19

Integer solution to the equation 3x+4=7y

An integer solution to the equation 3x + 4 = 7yis an ordered pair of integers (x, y) that satisfies the equation. For example, (1, 1) is one such solution. Write the set of all integer solutions to... more
Discrete Mathematics Discrete Math Logic

10/12/19

Axioms --> Clausal Form

Question :Consider the following sentences and prove that "Diana will win the game"1.All Players are clever.2.Anyone who is clever and dedicated can play the game well.3.Anyone who is playing the... more
Discrete Mathematics Discrete Math Logic

10/09/19

Quantifiers/Axiom to Clausal form

Question : Consider the following sentences and prove that "Diana will win the game"1.All Players are clever.2.Anyone who is clever and dedicated can play the game well.3.Anyone who is playing the... more
Discrete Mathematics Discrete Math Logic

10/08/19

Logic , Quantifiers , Logical Formula

Please note that I'll be using the following notations as follows, throughout the question.VX - For all X (Universal Quantifier)EX - For some X(Existential quantifier)Consider the logic formulas G1... more
Discrete Mathematics Discrete Math Logic

10/06/19

Logic/Discrete Mathematics

Suppose one wishes to prove that "if all X are Y, then all Z are W". To do this, it would suffice to show that All Z are X, and all Y are W. All X are Z, and all W are Y. All Y are Z, and all W are... more
Discrete Mathematics Discrete Math Logic

10/06/19

Discrete Mathematics - Logic

Could anyone explain what is the correct answer and why are the others are incorrect?Let P(x) be a property about some object x of type X. If we want to disprove the claim that "P(x) is true for... more
Discrete Mathematics Math Sat Math

10/03/19

please make a significant effort to the problem and organized summary of the process you have followed and conclusions you can draw.

Five applicants are to be scheduled for job interviews at five given times. On an application form, each applicant was asked to mark two out of the five times. What is the probability that each of... more
Discrete Mathematics Math Sat Math

09/27/19

how can I know all the probabilities

Five applicants are to be scheduled for job interviews at five given times. On an application form, each applicant was asked to mark two out of the five times. What is the probability that each of... more
Discrete Mathematics Math Sat Math

09/24/19

I need a good explanation for this problem please

We’ll call a set of numbers un-average if the average of any two numbers in the set is not in the set. So {1, 3, 6, 7, 10} is un-average, but {1, 3, 6, 7, 9} is not. What is the largest set of... more
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