The document provides information about the 2nd WASPA Conference and Exhibitions happening in Nairobi, Kenya on October 16-17, 2014. The Water Services Providers Association (WASPA) is hosting the conference to bring together local and international participants from government, academia, research, and non-government organizations to share expertise on sustainable water governance and management, examining the impacts of devolution. The conference will focus on topics like decentralization and devolution practices, governance challenges in utility management, integrated water resources management, and public-private partnerships. Early bird registration is 10,500 KES until July 31, 2014.
The document provides information about the 2nd WASPA Conference and Exhibitions happening in Nairobi, Kenya on October 16-17, 2014. The Water Services Providers Association (WASPA) is hosting the conference to bring together local and international participants from government, academia, research, and non-government organizations to share expertise on sustainable water governance and management, examining the impacts of devolution. The conference will focus on topics like decentralization and devolution practices, governance challenges in utility management, integrated water resources management, and public-private partnerships. Early bird registration is 10,500 KES until July 31, 2014.
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A Ação Comunitária é uma organização sem fins lucrativos fundada em 1967, criada e gerida por empresários, que luta contra a exclusão social. As atividades são realizadas por meio de três frentes de atuação: o Centro de Desenvolvimento Integral, o Centro de Desenvolvimento Comunitário e o Centro de Orientação para o Trabalho.
O projeto Música em Ação pretende ampliar o universo cultural e artístico das crianças, adolescentes e jovens do Jardim Icaraí em São Paulo por meio da criação de um Polo Experimental de Música na filial da Ação Comunitária.
O projeto tem como produtos culturais:
- Coral
- Orquestra
- Oficinas em Escolas Públicas da região
1 Понятие уравнения и его свойства 2 Методы решения уравнений
-Метод разложения на множители
-Метод введения новой переменной -Функционально-графический метод
А. Б. Василевский
ЗАДАНИЯ ДЛЯ ВНЕКЛАССНОЙ РАБОТЫ ПО МАТЕМАТИКЕ
9—11 КЛАССЫ КНИГА ДЛЯ УЧИТЕЛЯ
Задание 6. РАЦИОНАЛЬНЫЕ УРАВНЕНИЯ И НЕРАВЕНСТВА
http://matematika.advandcash.biz/?p=210
The document contains over 100 repetitions of the URL "http://vk.com/school_ipad". It provides no other text or context. In summary, it is a list consisting solely of the same URL repeated many times.
The document discusses the benefits of exercise for both physical and mental health. It notes that regular exercise can reduce the risk of diseases like heart disease and diabetes, improve mood, and reduce feelings of stress and anxiety. Staying active also helps maintain a healthy weight and keeps muscles, bones and joints healthy as we age.
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive functioning. Exercise boosts blood flow, releases endorphins, and promotes changes in the brain which help regulate emotions and stress levels.
The document discusses the history and development of paper money. It explains that paper money was first developed in China during the Tang Dynasty as a more efficient way to conduct trade compared to cumbersome metal coins. Eventually, the concept spread to Europe and paper money became the dominant form of currency worldwide by the 20th century.
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive function. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms.
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive functioning. Exercise boosts blood flow, releases endorphins, and promotes changes in the brain which help regulate emotions and stress levels.
The document discusses the benefits of exercise for mental health. It states that regular exercise can help reduce anxiety and depression and improve mood and cognitive function. Exercise causes chemical changes in the brain that may help alleviate symptoms of mental illnesses.
2. Что называют системой
уравнений?
Рассмотрим два линейных уравнения:
Y=-x+3 и Y=2x-3
Найдём такую пару значений (x;y), которая
одновременно является решением
и первого и второго уравнения
При x=2 и y=1 и первое и второе уравнения
превращаются в верные равенства.
1 = -2+3 и 1 = 2∙2 -3
То, есть пара (2; 1) является общим решением этих
уравнений.
3. Решить систему уравнений - это
найти их общие решения
Поиск общего решения нескольких
уравнений называют решением
системы уравнений.
Уравнения записывают друг под другом и
обозначают фигурной скобкой
y=-x+3
y=2x-3 А ответ записывают в виде пары (x;y)
Ответ: (2;1)
4. Графический метод решения системы y=-x+3
y=2x-3
Y=-x+3
Y=2x-3
x y
0
3
x y
0
3
3
0
-3
3
A(0;3)
B(3;0)
C(0;-3)
D(3;3)
M(2;1)
X=2
Y=1
Ответ: (2;1)
5. Y=0,5x-1
Y=0,5x+2
x
x
y
y
0 2
2 3
0 -1
2 0
A(0;2)
B(2;3)
C(0;-1)
D(2;0)
Решим систему уравнений:
Y= 0,5x+2
Y= 0,5x-1
Графики функций
параллельны и не
пересекаются.
Говорят, что система
несовместна.
Ответ: Система не имеет решений.
7. Решите в тетрадях систему уравнений: Y= -0,5x +3
Y= 0,5x -3
Y= - 0,5x+3
Y= 0,5x-3
x y
0
2
x y
0
2
3
2
-3
-2
A(0;3)
B(2;2)
C(0;-3)
D(2;-2)
M(6;0)
Ответ: система имеет 1 решение (6;0)
8. Решите в тетрадях и выполните
проверку с помощью
«Математического конструктора»
№11.10 (б)
№11.10 (в)
Y = -3x
Y = 3x - 4
Y = 5x
Y = -2x + 7