New In chapter Construction materials
Below we will consider several problems for determining temperature fields for relatively simple geometric and physical conditions, which allow analytical solutions that are simple in form and at the same time provide useful...
Vector (or linear) space is a mathematical structure that is a set of elements called vectors, for which the operations of addition with each other and multiplication by a number - a scalar - are defined. 1)...
Conducted by: primary school teacher Alla Yurievna Egorova. 2016 Objectives: To foster a culture of communication among students, mutual respect, goodwill, the ability to feel, understand oneself and another person, the ability to see...
General information The official name is the Republic of El Salvador. The state is located in Central America. The area is 21,040 km2. Population - 6,900,000 people. (as of 2009). Official language -...
A cube is a geometric figure with 8 vertices. In addition, the cube is characterized by many geometric parameters that make it a special representative of the family of polyhedra. The cube as a polyhedronFrom the point of view...
The New Year's days are filled with pleasant chores and tasks that must be completed before the holidays. By tradition, many enterprises and organizations hold corporate parties for their employees - with table toasts,...
This lesson will look at how to perform multiplication and division by numbers of the form 10, 100, 0.1, 0.001. Various examples on this topic will also be solved. Exercise. How to multiply the number 25.78 by 10? Decimal notation of this...
The advent of the Internet led to the emergence of entire subcultures, not to mention the vocabulary. New words and phrases appear so often and quickly that it is sometimes difficult for a person who is not constantly online to understand the jargon...
A long time ago, people noticed that all animals were treated with herbs. Different plants help against different diseases. For many years in a row, people have passed on knowledge about medicinal plants to their descendants. They compiled thick books: “Herbalists”,...
Is there less or no support from the environment? After all, being in tension and constant irritation, even fulfilling the requirements will not help you become slim. The joint development of the program by nutritionists and fitness trainers has become...