Discrete Mathematics Answers

How many ways are there to choose a valid password of the computer system

How many ways are there to choose a valid password of the computer system

identify the steps that are used to find the compound proposition for the statement "Either it is below freezing or it is snowing, but it is not snowing if it is below freezing."

If kemi did not attend MTH 105 classes is (p), she will become angry (q). Kemi did not attend the class. Hence, she became angry. Write the statement symbolically.

Q.1) Proof the De Morgan’s Laws BY using truth table.

1. Describe the characteristics of different binary operations that are performed on the same set.

2. Justify whether the given operations on relevant sets are binary operations or not.

i. Multiplication and Division on se of Natural numbers

ii. Subtraction and Addition on Set of Natural numbers

iii. Exponential operation: on Set of Natural numbers and set of Integers

Give four examples of implications and for each write down their contrapositive. Have two be real world examples and two be math examples.

Translate the following statements into symbolic form using capital letters to represent affirmative

Identify the main operator in the following propositions:



~[~(P & ~Q)] & ~(R –>~S)

~[~L v ~(J –> ~M)]

~[(H & ~L) & ~B] –> ~(~Y & ~K)

~[~(~F v J) v (~M v ~E)] & ~(~C & ~L)

A computer company receives 360 applications from computer graduates for a job planning a line of new Web servers. Suppose that 210 of these applicants majored in computer science, 147 majored in business and 51 majored in both subjects. How many of these applicants majored neither in computer science nor in business?

Reasoning missing number question....

Q- 4,3 and 7 have a triangular relation which get 42 as outcome and similarly 6,3 and 8 have same format relation with each other which get 91 as outcome so find the outcome if 5,3 and 9 have the same order relation with each other? find missing number.