Other questions and answers in April 2020 — Page 3

Design a class named Person and its two subclasses named Student and Employee. Design two more classes; Faculty and Staff and inherit them from Employee. The detail of classes is as: A person has a na...

a.) Find the approximate pressure level of the LCL. b.) Find the approximate pressure level of the level of Free Convection (LFC). c.) Does this sounding show a large amount of Convective Available Po...

1) Prove or disprove the following statement: b) There exists three consecutive prime numbers whose product plus 1 is also prime.

Prove or disprove the following statement: a) 3^(1/3) is irrational.

6b) Use a proof by contradiction to show that the difference or any rational number and any irrational number is irrational.

6a) Use a proof by contraposition to show that if x + y ≥ 2, where x and y are real numbers, then x≥1 or y≥1. (Inspired by Rosen, 2007, p. 85)

Prove or disprove the following statement: "For all real numbers x,y, [xy] = [x][y]"

4) Determine if the following statement is true and either prove it or provide a counterexample: "For all integers x,n, there exists an integer y such that x + y ≡ 0 (mod n)".

Determine whether the following statement is true or false. Justify your answer with a proof or a counterexample. a. For all integers a, b, c, if a | bc then a | b or a | c

The following figures show the physical and programmed ladder diagram and PLC diagram for the control problem of a green light and red light. Please answer the following questions: ?...

2) Prove that if x ≠ 0 is rational, then 1/x is rational.

1) Determine whether the following statement is true or false. Justify your answer with a proof or a counterexample. b) The product of any two odd integers is odd.

For this graph we had to analyse and interpret it, it is the mean of each species that were counted at each interval in unburnt and burnt areas of Noosa national park when using a transect line and qu...

1) Determine whether the following statement is true or false. Justify your answer with a proof or a counterexample. a) The product of any three consecutive integers is divisible by 6.

Consider what Clausewitz means when he says war is an "instrument of policy". Why does he oppose leaﬁng war to be run by the generals? Who bears the ultimate responsibility for decisions of ...

Describe a typical microwave oven in the framework of a discrete-state process. Define input variables, output variables, and the sequence of serial/parallel events.