Предмет: Математика, автор: Златусик11

масса одной чугунной болванки в 9 раз больше второй. Найдите массу первой болванки если она на 64 кг
больше второй

Ответы

Автор ответа: glebik9909

1) 9-1=8 частей это и есть 64 кг
2)64:8=8 кг вес одной части болванки и полный вес второй болванки
3)8*9=72 кг весит первая болванка
Ответ: вес первой болванки 72 кг.

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Алгебра, автор: 00artem000

помогите пожалуйста. алгебра 9 класс.

6 лет назад

Предмет: Қазақ тiлi, автор: tumanbaevsayan04

7.Буынға бөлінбейтін сөзді белгілеңіз. A) Серт. В) Уәде. C) Болжам. Б) Қағида. E) Ереже.

6 лет назад

Предмет: Английский язык, автор: mahakoloma2442

Summative assessment 2 for the unit «Communication and Technology", 7 grade Task 1. Read the text and complete the task. Kate and the Internet Kate's first class starts at eight o'clock in the morning and it is 1.30a.m now. The only sound that you can hear in Kate's small room is the clicking of a computer keyboard. Her mum does no longer know what to do. Stud next week. She ignores all types of homework. Her mother says: "She cares only about the conversations She carries on with people from all over the world without caring about her grades or her friends in real life". The Internet access in American households increases, that's why the number of teenagers who spend a long time of their lives online, has increased too. Psychologists say: "Look out! An increasing number of teens is going into a new form of addiction". In an interview Kate declared: "I'm destroying my future and I am becoming isolated from the society,» «I failed English last year... I didn't care about my studies but at least, I feel free. In fact, I can talk to others about any topic without being afraid of the consequences". Match parts of sentences in column (A) with parts of sentences in column (B). (A) (B) 1. Psychologists think that a) and she doesn't care about her school results 2. Kate spends a long time online, b) is just one consequence of this type of addiction. 3. Isolation from society c) a big number of teenagers have become addicted to the net (3 points) Are the sentences True or False? 1. Kate is addicted to Internet. True False 2. Kate says, that Internet does not destroy her future. True False 3. Kate goes to bed early. True False (3 points) Task 2. Writing. Answer the questions, using topical vocabulary. 1. What piece of technology can't you live without? Why? 2. How often do you watch TV? Explain your answer. 3. What's your favourite gadget to communicate with friends? Explain your answer. (4 points) помогите

6 лет назад