Notes, abstracts, papers, exams and problems

Mamíferos: Las hembras tienen mamas que producen leche para alimentar a las crías, el cuerpo está cubierto por pelos. La función principal es proteger del frio al animal.
Pelaje: raíz dentro del funículo piloso .Los pelos nuevos sacan los pelos viejos. La glándula sebácea lo hace más flexible el pelo. Lana (largo y fino), cerda (áspero y grueso), vello (suave y corto) y púa (largo y puntiagudo)
La temperatura: Es constante. Si sube o baja la temperatura siempre se mantiene constante.
Hibernación: desciende -10 Cº / Duerme no come y se esconde.
Invernación: baja la temperatura pero un duerme profundamente, come y hace algunas actividades.
La fecundación interna se produce en el ovulo con el esperma.
Sistema digestivo: Boca -faringe-

System Types
The systems of equations can be classified by the number of solutions that can arise. According to that case may have the following cases:
· Incompatible system if it has no solution.
· Compatible system if you have any solution in this case can also distinguish between:
or compatible system determined when it has a finite number of solutions.
indeterminate or compatible system when it admits an infinite set of solutions.
Fitting and classification:

Calculating the rank of a matrix for determining

1. We can rule a line if:.
· All the coefficients are zeros.
· There are two equal lines.
• A line is proportional to another.
• A line is a linear combination of others.
Delete the third column because it is a linear... Continue reading "Matrices: multiplication, rank, determinant, inverse and Rouche-Frobenius theorem" »

THE MYSTERY OF THE HAUNTED CRYPT

1. - Summary of the book.

While a group of young inmates in an asylum was playing a football game, Dr. Sugrañes party amid calls one of them, exactly the protagonist of this story. The doctor tells Sugrañes accompany him to his office because it has an unexpected visitor. To his amazement, was the Commissioner Flores and a nun who was unaware of.

The reason that the commissioner flowers and the nun had come to see was: about 6 years ago a girl had disappeared without a trace one night, but the strange thing was that it appeared the next day with no memory of what happened. Well, a couple of days ago had been different in the same school girl who lived in the other and wanted him to take charge of the case.... Continue reading "The mystery of the haunted crypt" »

Examining Societal Issues

Fairness in Professional Salaries

Introduction

Football players earn a lot of money, but many people think this is unfair. Some jobs, like doctors, teachers, or firefighters, are very important for society, yet they earn much less. Should football players be paid more than these essential workers?

Discussion

On one hand, football is a popular sport, and players bring entertainment to millions of people. Their salaries come from ticket sales, advertising, and sponsorships. On the other hand, doctors and teachers do essential jobs that help people’s lives. It seems unfair that they earn much less than athletes.

Conclusion

In my opinion, football players should earn well, but other important jobs should also have better salaries.... Continue reading "Examining Societal Issues and Personal Perspectives" »

Doxa: In Plato's theory of knowledge, doxa is the lowest level of knowledge. Through the five senses, we obtain information about the Physical World in which we live. Episteme: In Plato's theory of knowledge, episteme is the highest level of knowledge. Through the faculty of reason, we gain knowledge of the Forms in the World of Forms. Allegory of the Cave: A metaphor used by Plato to explain how, through knowledge and education, we can escape the Physical World and reach the World of Forms.

Aristotle's Knowledge

Sensory knowledge (Aristotle): Through the knowledge provided by the five senses, we understand the accidental characteristics of beings: position, colour, weight, etc. These characteristics are related to matter (hyle). Rational knowledge

Button Click Action Events

import java.awt.*;

import java.awt.event.*;

public class ButtonClickActionEvents

{

public static void main(String args[])

{

Frame f=new Frame("Button Event");

Label l=new Label("DETAILS OF PARENTS");

l.setFont(new Font("Calibri",Font.BOLD, 16));

Label nl=new Label();

Label dl=new Label();

Label al=new Label();

l.setBounds(20,20,500,50);

nl.setBounds(20,110,500,30);

dl.setBounds(20,150,500,30);

al.setBounds(20,190,500,30);

Button mb=new Button("Mother");

mb.setBounds(20,70,50,30);

mb.addActionListener(new ActionListener()

{

public void actionPerformed(ActionEvent e)

{

nl.setText("NAME: " + "Aishwarya");

dl.setText("DESIGNATION: " + "Professor");

al.setText("AGE: " + "42");

}

});

Button fb=new Button("Father");

fb.setBounds(80,70,50,30);

fb.addActionListener(

Defining the Security Dilemma

The Security Dilemma is a situation where the increase in one state’s security (e.g., military strength) leads other states to fear for their own security. Consequently, it can lead to an escalation of tension (war/conflict) involving one or more parties, producing an outcome which no party truly desires.

Butterfield: Fear as the Ultimate Source

Herbert Butterfield argued that “the greatest war of history can be produced without the intervention of criminals; it could be produced between two powers.” He mentioned several propositions:

• The ultimate source is fear leading states to protect themselves, deriving from the “universal sin of humanity.”
• It requires uncertainty over others' intentions.
• Its origin is

Modal Verb Examples and Usage

Jane could visit Switzerland next year. I may take Spanish lessons. They must be home by now. James can’t be eighteen yet! The weather might be sunny tomorrow. Mrs. Smith can’t have left home. She might have gone to stay with her mother. Mr. Smith may have committed a crime. He must have buried something in the garden. He could have won the lottery. He must have bought a new car. Mr. Smith might have murdered his wife. She must be at home. She can’t be Janet—she’s in America. She must think I’m stupid. I must look silly in this coat. They must have a lot of money.

You don’t have to take a jacket. You should see a dentist. You must not talk during the exam. You must not park here. You should study harder.... Continue reading "Mastering Modal Verbs: Examples and Usage" »

Formal Letter

Dear Sir or Madam/Dear Julian/Dear Mr. or Mrs. X/To whom it may concern,

I hope this email finds you well. My name is Juan, and I am writing with regard to “EL TEMA.”

First of all, I would be grateful if you could…

Secondly, I would also like to. Would it be possible…?

I look forward to hearing from you. Thank you in advance for your assistance.

In addition, I would be grateful if you could provide further details about...

It is worth mentioning that...

Thank you for your attention. I look forward to hearing from you.

Yours faithfully/Kind regards/Best regards/Yours Sincerely, Juan Infiesta.

Review

Title: [Name of the book/film…] – Worth it or not?

If you’re looking for [something related to the topic], then [name] might be... Continue reading "Mastering English Writing: Formal Letters, Reviews, Essays" »