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Discrete Math Math Sat Math Computer Science

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

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Discrete Math Linear Algebra College Linear Algebra

09/29/19

Discrete Mathematics -- Finding the basis of a given set

Let A = {( 2z - w, z, w, z) | z, w ∈ R } ⊂ R4. Find a basis for A and show that it is a basis,

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Discrete Math Math Sat Math Maths

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

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Discrete Math Math Sat Math Computer Programming

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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Discrete Math Math Sat Math Computer Programming

09/23/19

anyone can help me with this problem with some explanation

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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Discrete Math Math Geometry Trigonometry

09/23/19

What is the rank of this matrix?

What is the rank of this matrix? 1 -1-1 1/2

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Discrete Math Math Geometry Trigonometry

09/23/19

What is the transpose of the 2x2 matrix I?

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Discrete Math Math Computer Science

09/21/19

If F = {(1,3), (2,1), (3,4), (4,6)} and g = {(1,5), (2,3), (3,4), (4,1), (5,3), (6,2)} then F º g(1) is

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Discrete Math Math Sat Math Computer Science

09/20/19

any idea in how to solve this ?

In a giant bin, we stir together 2019 red jelly beans and 2019 green jelly beans. We pull 3 jelly beans out of the bin at a time. There are two possibilities – they are all the same color or there... more

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Discrete Math Math Sat Math Computer Science

09/19/19

please show me how to solve it or what will be the outcome

In a giant bin, we stir together 2019 red jelly beans and 2019 green jelly beans. We pull 3 jelly beans out of the bin at a time. There are two possibilities – they are all the same color or there... more

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Discrete Math Discrete Mathematics

09/10/19

How am I supposed to show the predicate as true?

Given a while loop and a predicate. Show that if the predicate is true before entry to the loop, then it is also true after exit from the loop.predicate: m^3 > n^2 while (m ≥ 0 and m ≤ 100) dom... more

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Discrete Math Math

09/07/19

If A is a proper subset of B can B be a proper subset of A?

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Discrete Math Discrete Mathematics Congruency Mod

09/01/19

Prove or Disprove

(a) ∀a, b, c, m ∈ Z +, if a ≡ b (mod m), then c a ≡ c b (mod m). (b) For any positive odd integer n, 3|n or n 2 ≡ 1 (mod 12).

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Discrete Math Discrete Mathematics

09/01/19

Prove or Disprove this statement

There exists a prime number x such that x + 16 and x + 32 are also prime numbers

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Discrete Math Math Logic Discrete Mathematics

08/20/19

Express statement in using quantifiers

I can see that it is straight forward when we have an statement like: "For all x, there exists a y, such that f(x,y) = 0", which I can re-write as: "∀ x ∃ y f(x,y) = 0". But, for example, when I... more

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