Перейти к выбору ответа 01.04.2022помогите упростить -2(-y-2)-y-2=0 Выбрать другой вопрос Смотреть ответ Перейти к выбору ответа Алгебра Вопрос школьника по предмету Алгебра помогите упростить -2(-y-2)-y-2=0 Ответ учителя по предмету Алгебра Ответ: -2(-y-2)-y-2=0 I Необходимо раскрыть скобки,умножая на -2 2y+4-y-2=0 y+2=0 y=-2 Ответ y=-2
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1. In the United States laws in the field of education are not made by the Federal Government. 2. So the number of subjects and even the compulsory school age may differ from state to state. 3. Laws on education are made by the local authorities. 4. The Federal Government provides only 7-12 per cent of the money necessary for education. 5. The rest of the money is provided by the states through taxation and by the private foundations and donations. 6. Schools of any level including universities may be either private, or state. 7. It depends on the source of their funding. 8. American state schools are called public schools which is different in Great Britain. 9. The British public schools are all private.
10. Pre-school education is not compulsory. 11. But since the number of working mothers is growing, Child-Caring Centers are becoming more and more popular.
12. Elementary education starts at the age of 6 and continue through the eighth grade. 13. Usually all subjects are taught by one and the same teacher who holds general responsibility for the class. 14. The number of children in a class in elementary schools is usually under 30. 15. At most times elementary teachers have assistants who are very often volunteering mothers with an appropriate education.
16. Then children pass to high schools. In high school children usually study not more than 5 or 6 subjects which they have every day of the week. 17. The Graduation ceremony is a very special event for every American high school graduate and their families.