Предмет: Алгебра, автор: sonabolku64

Розв'язати графічно систему рівнянь
{x+y=1,
2x-3y=2.
Поможіть дам ще + 10 балів!!

Ответы

Автор ответа: roskisvira
4

Объяснение:

у=0

х=1

(^.^)(^.^)(^.^)(^.^)(^.^)(^.^)

Приложения:
Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Русский язык, автор: DiMoN223888
Грузинский поэт Шота Руставели считал: "Человек, лишенный сердца по своим живёт законам". Как вы сформулировали эти законы?
1 год назад
Предмет: Русский язык, автор: alewtinatihomi
подберите однокоренные слова к глаголу освещали
1 год назад
Предмет: Английский язык, автор: ArtemKig
I. Find the word with the same or similar meaning. Example: amazing - c) a) frightening b) vital c) wonderful 1. to throw away a) to recycle b) to get rid of c) to avoid 2. rubbish a) trash b) packaging c) can 3. to protect a) to prohibit b) to pack c) to save 4. vital (problems) a) environmental b) crucial c) dangerous 5. to disappear a) to die out b) to pollute c) to clean II. Complete each sentence with one of the words or phrases below. environment cut down causes pollution packaging environmental dangerous save protect litter 1. You shouldn't use your car because it … noise and air pollution. 2. This notice can be seen at the zoo or at the circus to … people from danger. 3. He wants to become an ecologist himself to research and protect the … . 4. Recently, however, our beach has become more polluted with … left by tourists and locals. 5. Our forests are disappearing because they are … or burnt. 6. Your family can begin trying to … the Earth right now. 7. If you go the seaside, you'll see the … around you. 8. If people hadn't invented different machines and developed industry, the … problems wouldn't have appeared. 9. Why is litter so … in the countryside? 10. When you buy packed goods, don't drop the … . III. The word in capitals above each of the following sentences can be used to form a word that fits suitably in the blank space. Fill each blank in this way. Example: DANGER It was a very dangerous trip. 1. PROTECT If you want to be healthy, you should care about the … of the environment. 2. ECOLOGY If we want to protect our environment, lots of things should be changed in our life, but first of all should improve … education. 3. CHEMISTRY Sometimes fish die out in rivers because plants and factories throw … waste there. 4. COLLECT People should be fined for dropping litter and rubbish … should be made more often along our beach. 5. RECYCLE Very little of … material is actually recycled. IV. Fill in the definite article the if needed. 1. … Nile flows to … Mediterranean Sea. 2. There are small islands in … Pacific Ocean. 3. … Hymalayas are the highest mountains in … Asia. 4. … Lake Baikal is the deepest lake in the world. 5. … Glasgow is one of the biggest cities in … United Kingdom. 6. … Red Sea is between … Africa and … Asia. 7. … Great Britain is situated in … British Isles. V. Complete the sentences, using Conditional II and III. Example: If we … (throw away) less rubbish, our planet would be nicer and cleaner. - If we threw away less rubbish, our planet would be nicer and cleaner. 1. If I (know) the result now, I would phone her immediately. 2. If I (be) you, I would stay at home. 3. If you (not miss) the train, you would have arrived in time. 4. If they had known it before, they (take) measures. 5. Your brother (become) much stronger if he took cold baths regularly. 6. If he were a first-class sportsman now, he (not train) enough last year. 7. If I (write) the composition yesterday, I would be free now.
1 год назад
Предмет: Русский язык, автор: quliev2017r
Найдите четыре ошибки.

1. Наречия могут обозначать признак признака, признак действия.
2. Наречия изменяются по числам
3. В предложе
7 лет назад
Предмет: Химия, автор: Аноним
Дано n ( CO2 ) = 0,3 моль Найти m ( CO2 ) - ? N ( CO2 ) - ?
7 лет назад