Education, self-education and personal growth - methods, lessons

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Physical methods of analysis: types, group properties and characteristics of measurements
Physical methods of analysis: types, group properties and characteristics of measurements

Currently there are many specialists who have devoted themselves to the physical or chemical sciences, and sometimes both. Indeed, most phenomena can be logically explained precisely through such experiments. We will consider physical methods of research in more detail

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Official languages of Afghanistan. What language is spoken in the country?
Official languages of Afghanistan. What language is spoken in the country?

The article tells about the most common languages in Afghanistan, as well as which of them are official. A brief historical background is given to help understand the impact of the historical and geographical position of the country on linguistic diversity

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  • The cosine theorem and its proof
    The cosine theorem and its proof

    If we are given an arbitrary triangle, two sides of which are known, then how to find the third one? With data on its angles, the answer to this question will give us the cosine theorem

  • Solve quadratic equations and build graphs
    Solve quadratic equations and build graphs

    The course of algebra provides for the study of various kinds of equations. Among them, a special role is occupied by quadratic functions, the solution of which is the construction of a parabola on the coordinate axis. Consider the principles for solving equations, as well as the simplifications that can be made

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Northeast USA: characteristics of the area
Northeast USA: characteristics of the area

"Economic heart of the state", "workshop of the nation" - this macro-district of the United States of America is called differently. In scientific literature, it is called the Northeast of the United States. The region has played and continues to play a crucial role in the life of the most powerful nation on the planet

  • Dish is Rhyming with the word "dish"

    Dish - what is it? The interpretation of this word sometimes raises the question of whether it refers only to food served on the table, or can it also be called dishes? And also many people think that this word came into the Russian language from a foreign one or two centuries ago. Is it so? Details about the fact that this is a dish, as well as about the origin, synonyms and rhyme for this word will be described in the article

  • Avesta is Definition, description and main theses, interesting facts

    Many religions have sacred books: the Jews have the Torah, the Christians have the Bible. Muslims revere the Koran, Buddhists - Tripitaka, Hindus generally have a whole library of sacred literature. For the Zoroastrians, this is the Avesta. Zoroastrianism is the oldest of the monotheistic prophetic religions and still exists today

  • Good taste is a quality everyone needs

    When we try a dish, we first of all evaluate its taste. If food makes you feel good, how can you not exclaim: “Very tasty!” Otherwise, no words are needed, the people around will understand by our dissatisfied grimace that the dish failed - it was overs alted, undercooked or burnt. But what is meant when they say that this or that person has good taste? Perhaps this expression came into Russian speech from the lexicon of cannibals?

  • The law of negation of negation: essence, concept and examples

    Negation in logic is the act of refuting a statement that does not correspond to reality. At the same time, this act unfolds into a new thesis