Предмет: Математика, автор: alisultanov33305

Цемент и песок находится в отношении 1 к 2, а песок и вода в отношении 1 к 4.
Вопрос: В каком отношении находятся Цемент и Вода?

Ответы

Автор ответа: STR1djkr
0

Ответ:

1 к 8

Пошаговое объяснение:

смотри можем ввести свои числа пусть цемент =2

цемент к песку как 2 к 4

песок к воде как 4 к 16

цемент к воде как 2 к 16=1 к 8

Автор ответа: alinakotenok2
0

Пошаговое объяснение:

Пусть в смеси х цемента, тогда в смеси 2х песка

2х/Вода=1/4

Вода=2х*4=8х

Ответ: Цемент/Вода=1/8

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НАПИШИТЕ как читается текст на русском

The problem
of learning foreign languages is very important today. Students should learn
foreign languages. They became important especially at the present time.
Foreign languages are needed as the main and most efficient means of
information exchange between the people of our planet.

Today
English is the language of the world. Over 350 million people speak it as a
mother tongue. The native speakers of English live in Great Britain, in the
United States of America, Australia and New Zealand. English is one of the
official languages in the Irish Republic, Canada and South African Republic. As
a second language it is used in the former British and US colonies.

It is the
major international language for communication in such areas as science,
technology, business and mass media. English ought to be used as one of the
official languages of the United Nations Organisation and other political
organisations. It is the language of computer software, literature, education,
modern music, international tourism.

Learning a
foreign language is not an easy thing. It is a long and slow process that takes
a lot of time and patience. But every educated person, every good specialist
has to know English because it is absolutely necessary nowadays.

It is well
known that reading books in the original, talking with the English speaking
people will help a lot. When learning a foreign language you are to learn the
culture and history of the native speakers. You may any foreign
language. They are all important.