Предмет: Математика, автор: babonya0212

Матуся, татусь та син поділили яблука у відношенні 3 : 7 : 2 .Скільки отримали матуся та татусь, якщо син отримав 12 ?

jekadva: 18 Матуся, 42 татусь

Ответы

Автор ответа: markknikolaichuk

1

якщо 2х=12,тоді х=12:2=6 ,тоді М.=6*3=18, П.=6*7=42 .
Відповідь:6,18,42

ddccd8932: нащо там 6 там буде 18 і 42

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: ioficiant

1. For more than 7,000 years people have been writing down their …
A. music
B. stories
C. thoughts
D. letters

2 года назад

Предмет: Химия, автор: vladsopilko69

Ag + HNo3 = Ag No3 + No2 +H2O

2 года назад

Предмет: Английский язык, автор: Oxrxdon

Read the text below. For (1-7) choose T if the statement is true according to the text, and Fif it is false. An example (1) has been done for you. Human-made noise pollution in the Earth's oceans and seaso a serious threat to sea wildlife. Scientists report that there is hardly an underwater place left where sea mammals can live in peace and quet Doze of species of whales, dolphins, turtles and other creatures depend on sound in ther communication, finding mates and hunting for food. So noisy environme is making it difficult to lead a normal life. This is according to a report kom the International Fund for Animal Welfare (FAW), called Ocean Noise Tom it Downs. The environmental group says noise from shoping, ol and gas surveys, offshore construction and water sports has reached dangerous levels for sea life.

The FAW says the distance over which blue whales can communicate down by 90 per cent. It also reports that in the past decade, many whales have become beached after being disorientated because of loud nose. The group also warns that noise pollution is only going to get worse. There 90 survey ships active in the oceans today, In addition, the number of ships sailing the seas will double by 2025. Mark Simmonds, a IFAW spokesman said, man-made noise is already causing a kind of acoustic fogs, and called for a response to noise pollution in the underwaters.

1) The noise humans make is harmful for creatures living in the oceans.

2) There are very few quiet places left in the oceans.

3) Sound doesn't help sea animals to hunt for food and look for mate.

4) The distance over which blue whales can communicate has become larger.

5) Noise pollution can mean whales lose their way, and die on beaches.

6) The number of ships on the seas is not going to 20 years. change in the next

7) Mark Simmonds, a, FAW spokesman, said it's very oceans. y foggy in the

Помогите пожалуйста. Даю 50 балов

2 года назад

Предмет: Английский язык, автор: alyasavinova02

Помогите пожалуйста с английским

7 лет назад

Предмет: Математика, автор: avakinswaggy

Помогите пожалуйста!
Даю 10 баллов!

7 лет назад