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Have to, had to is a modal verb. Applications, examples and special cases
Have to, had to is a modal verb. Applications, examples and special cases

The verb have has a very wide application both independently and in conjunction with other words. In addition, there are many overlapping areas with other similar verbs

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Stolypin's resettlement policy: purpose and results
Stolypin's resettlement policy: purpose and results

The resettlement policy of Pyotr Arkadyevich Stolypin is a prerequisite for the development of the Siberian and Far Eastern regions

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  • What is arithmetic? Fundamental theorem of arithmetic. Binary arithmetic
    What is arithmetic? Fundamental theorem of arithmetic. Binary arithmetic

    What is arithmetic? When did humanity start using numbers and working with them? Where do the roots of such everyday concepts as numbers, fractions, subtraction, addition and multiplication, which a person has made an inseparable part of his life and worldview, go?

  • White dwarfs: origin, structure and interesting facts
    White dwarfs: origin, structure and interesting facts

    White dwarf is a star that is quite common in our space. Scientists call it the result of the evolution of stars, the final stage of development. In total, there are two scenarios for the modification of a stellar body, in one case the final stage is a neutron star, in the other a black hole

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Steiner's theorem or parallel axes theorem for calculating the moment of inertia
Steiner's theorem or parallel axes theorem for calculating the moment of inertia

In the mathematical description of rotational motion, it is important to know the moment of inertia of the system about the axis. In the general case, the procedure for finding this quantity involves the implementation of the integration process. The so-called Steiner theorem makes it easier to calculate. Let's consider it in more detail in the article

  • Construction of the White Sea Canal: history, timing, description

    This article tells about one of the tragic episodes in the history of the Soviet Union - the construction of the White Sea-B altic Canal named after Stalin, carried out by the forces of Gulag prisoners and costing many of them their lives. A brief overview of the surviving information is given

  • The most terrible torture and progress in the field of humanism

    The worst tortures were long procedures. In order for the suspect to be able to betray the largest number of his accomplices, tell the details of the crime he committed and have time to confess to everything, no time was spared

  • Living planet. A story about the beauty of the world

    The computer age allows people to easily look into all corners of the globe. No doubt, the virtual sky and earth, seas and rivers, trees and bushes are bright, impressive, fantastic. But they are conditional! Take the opportunity to dive into a living, dynamic, alluring reality

  • General Dorokhov - hero of the Patriotic War of 1812

    The epoch of the Patriotic War of 1812, gone forever into history, is looking at us today from the portraits of its heroes, hung on the walls of the famous Hermitage hall dedicated to their memory. Among those, thanks to whose unbridled courage and heroism Russia with honor came out of this test, Lieutenant General Ivan Semenovich Dorokhov remained in the memory of his descendants