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Use os filtros para chegar às questões que interessam. Cada resultado abre em uma página própria com enunciado, alternativas e gabarito.
Utilize as informações a seguir para responder à questão.
Historicamente, a taxa de fertilidade mundial tem diminuído ao longo dos anos. Inclusive, projeta-se que a taxa de fertilidade fique abaixo da taxa de reposição, que corresponde ao número médio de nascimentos por mulher necessário para manter constante o tamanho da população. O gráfico a seguir ilustra esse cenário.
(www.pewresearch.org. Adaptado.)
Disponível em: www.deskgram.org. Acesso em: 12 dez. 2018 (adaptado).
A associação entre o texto verbal e as imagens da garrafa e do cão configura recurso
expressivo que busca
O ouro é um metal utilizado na confecção de diversos produtos e costuma ser misturado com outros metais, gerando ligas de ouro. Por exemplo, uma liga de ouro 800 indica que de cada 1 000 partes da liga de ouro, 800 são de ouro puro e 200 são de outros metais.
Um artesão precisa de 10 gramas de liga de ouro 585 para confeccionar um produto, porém, em seu estoque, há apenas ligas de ouro 750 e 375. Ele dispõe de quantidade suficiente dessas duas ligas para fundi-las e obter a quantidade de liga de ouro 585 que necessita.
Para obter exatamente 10 gramas de liga de ouro 585, a quantidade de liga de ouro 750 utilizada na fundição deverá superar a quantidade de liga de ouro 375 em
O valor de t, para que exista um ângulo x, sendo
que 
é
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A fertilidade do solo é essencial na produção agrícola e a produtividade de cada tipo de solo varia com a quantidade de nutrientes aplicados a ele.
Foram realizados em vasos, experimentos de aplicação de
diferentes doses de enxofre em dois tipos de solo: Latossolo
Vermelho-Escuro (LE) e Areia Quartzosa (AQ).
O estudo da produção do solo LE apresentou os seguintes resultados:
Para o solo LE, a função que modela a produção P de matéria
seca, em g/vaso, em função da quantidade q de enxofre utilizado, em kg/ha, é uma função quadrática, descrita por
The text ‘Brazil as a bridge between old and new powers?’ has been extracted from a text published in the periodical International Affairs, issue nº 89. The issue, as stated by the editors in an introductory article, ‘… has been divided into two parts. Part one comprises case-studies of three rising powers — Brazil, India and China — while the articles in part two cover the various actors and entities that have reason and/or ability to attempt to manage the rise of new powers. (…) These multiple actors may be grouped into four categories…’
The following definitions were given in the introductory article for each of the categories:
1. This group comprises states and groupings of states that have acquired, over the past decades, the role of agendasetters as Great Powers. They have exerted defining influence in shaping the rules and norms of global governance. Despite their relative decline (especially with reference to the rising powers), they still have enough power to act as gatekeepers to the inner sanctums of international regimes.
2. In this category are the countries that represent the proverbial grass that gets trampled when elephants fight. They often form the unfortunate terrain on which scrambles for power can occur, but are also occasionally able to exercise powerful leverage by providing the follower base that aspiring leaders seek, and legitimize claims to greater power by securing for those leaders the backing of large numbers.
3. As the shift in the balance of power that we see under way today is not occurring simply between states, this category includes businesses and non-governmental organizations (NGOs) that have emerged as repositories and brokers of power, effectively harnessed by states at different levels of the hierarchy and harnessing them to serve their own causes in turn.
4. This category recognizes that most international organizations, regimes and networks are seldom ‘actors’ in their own right. But different organizations, networks and regimes, even when made up of similar memberships, show different degrees of adaptability and reform in response to the needs and demands posed by rising powers.
The sequence that matches the category with its definition is:
Utilize as informações a seguir para responder à questão.
A fertilidade do solo é essencial na produção agrícola e a produtividade de cada tipo de solo varia com a quantidade de nutrientes aplicados a ele.
Foram realizados em vasos, experimentos de aplicação de
diferentes doses de enxofre em dois tipos de solo: Latossolo
Vermelho-Escuro (LE) e Areia Quartzosa (AQ).
The text ‘Brazil as a bridge between old and new powers?’ has been extracted from a text published in the periodical International Affairs, issue nº 89. The issue, as stated by the editors in an introductory article, ‘… has been divided into two parts. Part one comprises case-studies of three rising powers — Brazil, India and China — while the articles in part two cover the various actors and entities that have reason and/or ability to attempt to manage the rise of new powers. (…) These multiple actors may be grouped into four categories…’
The following definitions were given in the introductory article for each of the categories:
1. This group comprises states and groupings of states that have acquired, over the past decades, the role of agendasetters as Great Powers. They have exerted defining influence in shaping the rules and norms of global governance. Despite their relative decline (especially with reference to the rising powers), they still have enough power to act as gatekeepers to the inner sanctums of international regimes.
2. In this category are the countries that represent the proverbial grass that gets trampled when elephants fight. They often form the unfortunate terrain on which scrambles for power can occur, but are also occasionally able to exercise powerful leverage by providing the follower base that aspiring leaders seek, and legitimize claims to greater power by securing for those leaders the backing of large numbers.
3. As the shift in the balance of power that we see under way today is not occurring simply between states, this category includes businesses and non-governmental organizations (NGOs) that have emerged as repositories and brokers of power, effectively harnessed by states at different levels of the hierarchy and harnessing them to serve their own causes in turn.
4. This category recognizes that most international organizations, regimes and networks are seldom ‘actors’ in their own right. But different organizations, networks and regimes, even when made up of similar memberships, show different degrees of adaptability and reform in response to the needs and demands posed by rising powers.
In the definition transcribed in number 1 , the fragment “Despite their relative decline (…) they still have enough power to act as gatekeepers to the inner sanctums of international regimes.” means that
