Ответ по предмету Математика: Виконайте тотожні перетворення виразу 2а - 5b +4b +За даю 20 балов

Предмет: История, автор: vladimerovicv158

раннегосудаственное объединение кангюй? города и городская культура Казахстана в эпоху средневековья? раннегосудаственное объединение усунь? причины образования Казахского ханства? раннегосудаственное объединение гуннов?

2 года назад

Предмет: Литература, автор: tatyanaandreev7

Витончена краса верленівських «пейзажів душі» (за поезією П. Верлена).

Треба 3-3,5 строрінки зошита. Зі вступом, основною частиною і кінцівкою.

БУДЬ ЛАСКА, ПРОШУ

2 года назад

Предмет: Физика, автор: timurtykva

Скільки електронів треба "перенести" з однієї порошинки на іншу, щоб сила кулонівського притягання між порошинками на відстані 1 см дорівнювала 1мкН? (елементарний електричний заряд e = 1,6×10-¹⁹ Кл; k = 9×10⁹ Н×м²/Кл²)

2 года назад

Предмет: Английский язык, автор: irinanikitina20

помогите пожалуйста.
Установите соответствие между текстами и их темами, выбрав тему из списка. Используйте каждую тему только один раз. В задании одна тема лишняя.

This text deals with ...

1. toy facts

2. what makes people closer

3. traveling

4. animal world

5. beauty from nature

6. thousands in one

A. A memory card is a form of flash memory that is used in a range of electronic devices such as a digital camera or video game console. The memory card stores data, images, music, saved games or other computer files. Flash memory devices like this contain no moving parts so they are not easily damaged. This means that they are ideal for use in portable devices such as MP3 players, digital cameras, mobile phones etc. With a memory card you can keep many hundreds or even thousands of images in your computer.

B. There are many stories about how the Teddy Bear got its name. It may be a myth but the teddy bear is said to be named after Theodore Roosevelt, a hunter who disliked being called "Teddy". Roosevelt was the 26th and youngest President of the United States. He was president from 1901-1909. Friends of the president gave him the nickname "Teddy".

C. Pearls are made of a kind of material made by mollusks, like oysters. Pearls are small and often white but sometimes in pale colors or even black. They are often round, but sometimes half-round, oval, or in different shapes. Pearls are very beautiful and they are often used for jewelery. There are two kinds of pearls: saltwater pearls and freshwater pearls. Saltwater pearls come from oysters that live in the oceans. Freshwater pearls are found in mussels that live in rivers, lakes, or ponds.

D. A webcam is a video camera that connects to a computer, and can let people see each other over the Internet. This is a great chance for people who live very far from each other to stay friends. Most people that have webcams use them with an instant messenger to see each other at the same time. Webcams can also be used for recording videos and video blogs. The webcam can be part of a computer, mobile phone or it can be an independent device. The first webcam was developed in 1991 at Cambridge University and the first commercial camera was made in 1994.

E. A chipmunk is a small squirrel-like rodent. About twenty-three species fall under this title, with one species in North America. The name may have originally been spelled "chitmunk" (perhaps from a Native American word meaning "red squirrel"). However, the earliest form comes from the Oxford English Dictionary (in 1842) as "chipmonk". Other early forms include "chipmuck" and "chipminck". Chipmunks are hoarders, meaning they store food in their cheek pouches.

7 лет назад

Предмет: Математика, автор: bulochkaNischem

Определите для каждого многоунольника: 1. Сколько диагоналей можно провести из одной вершины. 2. Сколько всего диагоналей можно провести в многоугольнике

7 лет назад

Виконайте тотожні перетворення виразу 2а - 5b +4b +Задаю 20 балов​

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Виконайте тотожні перетворення виразу 2а - 5b +4b +За
даю 20 балов