Foram encontradas 58 questões

Resolva questões gratuitamente!

Junte-se a mais de 4 milhões de concurseiros!

Q765951 Matemática
Admita que a raiz da função polinomial do primeiro grau f(x) = ax+3 seja 3/4. O valor de a é igual a:
Alternativas
Q765948 Matemática
Dividindo-se o polinômio P(x) = x2 - 5x + 6 pelo binômio D(x) = x - 3, obtém-se um quociente Q(x) = x + b e resto R = 0. O valor de b é igual a:
Alternativas
Q765944 Matemática

Observe a igualdade representada a seguir:

3√2 + 3√2 + 3√2 + 3√2 = 3√n

Se n é um número inteiro, o valor de n é igual a:

Alternativas
Q765940 Matemática
Sejam a e b dois números reais tais que a + b = 5 e a.b = 2. O valor da expressão a2 + b2 é igual a:
Alternativas
Q765938 Matemática
A equação do segundo grau x2 + 4x - 1 = 0 tem raízes m e n. A expressão (m + 5).(n + 5) é igual a:
Alternativas
Q765936 Matemática
Considere 225 = x. O valor de 810 é igual a:
Alternativas
Q765933 Matemática

A expressão Imagem associada para resolução da questão é igual a um numero real n. O valor de n está compreendido entre os números:

Alternativas
Q765911 Inglês

Com base no texto abaixo, responda à pergunta:

    Working for the Navy can be a very interesting career choice. It will start with specialist training, both at sea and on-shore. As a result, you will develop practical and technical skills and will find yourself equipped with the confidence to interact in a team.

    The Navy offers a lot of career options - from technical to non-technical posts, and for officer to civilian posts. There are hundreds of j ob opportunities available. But some positions come with high responsibilities.

    For instance, Navy Electronics Technicians (ETs) are an exclusive group of professionals specially trained in electronic engineering and computer skills. They can operate and manage the electronic system s of the world’s most advanced ships and airplanes.

    Another example of a Navy career is a Navy Hull Technician (HT). HTs maintain a ship’s marine sanitation system and also repair and maintain the small boats found aboard Navy ships.

    Finally, Marine Technicians (MTs) operate, maintain and repair the ship’s machinery, as well as look after the power generation and distribution, and electrical control systems of ships.

    Sound good so far? Take a look at the pathways to careers at sea. And find out where a j ob at sea could take you. W here do you see yourself? Click here.

(adaptado de http://www.careersatsea.org/)

O último parágrafo do texto sugere que o leitor consulte um site que poderá mostrar:
Alternativas
Q765910 Inglês

Com base no texto abaixo, responda à pergunta:

    Working for the Navy can be a very interesting career choice. It will start with specialist training, both at sea and on-shore. As a result, you will develop practical and technical skills and will find yourself equipped with the confidence to interact in a team.

    The Navy offers a lot of career options - from technical to non-technical posts, and for officer to civilian posts. There are hundreds of j ob opportunities available. But some positions come with high responsibilities.

    For instance, Navy Electronics Technicians (ETs) are an exclusive group of professionals specially trained in electronic engineering and computer skills. They can operate and manage the electronic system s of the world’s most advanced ships and airplanes.

    Another example of a Navy career is a Navy Hull Technician (HT). HTs maintain a ship’s marine sanitation system and also repair and maintain the small boats found aboard Navy ships.

    Finally, Marine Technicians (MTs) operate, maintain and repair the ship’s machinery, as well as look after the power generation and distribution, and electrical control systems of ships.

    Sound good so far? Take a look at the pathways to careers at sea. And find out where a j ob at sea could take you. W here do you see yourself? Click here.

(adaptado de http://www.careersatsea.org/)

Os pronomes it, no primeiro parágrafo, e they no terceiro parágrafo, referem-se respectivamente a:
Alternativas
Q765909 Inglês

Com base no texto abaixo, responda à pergunta:

    Working for the Navy can be a very interesting career choice. It will start with specialist training, both at sea and on-shore. As a result, you will develop practical and technical skills and will find yourself equipped with the confidence to interact in a team.

    The Navy offers a lot of career options - from technical to non-technical posts, and for officer to civilian posts. There are hundreds of j ob opportunities available. But some positions come with high responsibilities.

    For instance, Navy Electronics Technicians (ETs) are an exclusive group of professionals specially trained in electronic engineering and computer skills. They can operate and manage the electronic system s of the world’s most advanced ships and airplanes.

    Another example of a Navy career is a Navy Hull Technician (HT). HTs maintain a ship’s marine sanitation system and also repair and maintain the small boats found aboard Navy ships.

    Finally, Marine Technicians (MTs) operate, maintain and repair the ship’s machinery, as well as look after the power generation and distribution, and electrical control systems of ships.

    Sound good so far? Take a look at the pathways to careers at sea. And find out where a j ob at sea could take you. W here do you see yourself? Click here.

(adaptado de http://www.careersatsea.org/)

O verbo modal can no primeiro e no terceiro parágrafos indica, respectivamente:
Alternativas
Q765908 Inglês

Com base no texto abaixo, responda à pergunta:

    Working for the Navy can be a very interesting career choice. It will start with specialist training, both at sea and on-shore. As a result, you will develop practical and technical skills and will find yourself equipped with the confidence to interact in a team.

    The Navy offers a lot of career options - from technical to non-technical posts, and for officer to civilian posts. There are hundreds of j ob opportunities available. But some positions come with high responsibilities.

    For instance, Navy Electronics Technicians (ETs) are an exclusive group of professionals specially trained in electronic engineering and computer skills. They can operate and manage the electronic system s of the world’s most advanced ships and airplanes.

    Another example of a Navy career is a Navy Hull Technician (HT). HTs maintain a ship’s marine sanitation system and also repair and maintain the small boats found aboard Navy ships.

    Finally, Marine Technicians (MTs) operate, maintain and repair the ship’s machinery, as well as look after the power generation and distribution, and electrical control systems of ships.

    Sound good so far? Take a look at the pathways to careers at sea. And find out where a j ob at sea could take you. W here do you see yourself? Click here.

(adaptado de http://www.careersatsea.org/)

A relação entre o segundo parágrafo e os parágrafos subsequentes 3, 4 e 5 é uma relação de:
Alternativas
Q765907 Inglês

Com base no texto abaixo, responda à pergunta:

    Working for the Navy can be a very interesting career choice. It will start with specialist training, both at sea and on-shore. As a result, you will develop practical and technical skills and will find yourself equipped with the confidence to interact in a team.

    The Navy offers a lot of career options - from technical to non-technical posts, and for officer to civilian posts. There are hundreds of j ob opportunities available. But some positions come with high responsibilities.

    For instance, Navy Electronics Technicians (ETs) are an exclusive group of professionals specially trained in electronic engineering and computer skills. They can operate and manage the electronic system s of the world’s most advanced ships and airplanes.

    Another example of a Navy career is a Navy Hull Technician (HT). HTs maintain a ship’s marine sanitation system and also repair and maintain the small boats found aboard Navy ships.

    Finally, Marine Technicians (MTs) operate, maintain and repair the ship’s machinery, as well as look after the power generation and distribution, and electrical control systems of ships.

    Sound good so far? Take a look at the pathways to careers at sea. And find out where a j ob at sea could take you. W here do you see yourself? Click here.

(adaptado de http://www.careersatsea.org/)

Um título adequado para o texto é:
Alternativas
Q765906 Português

Leia a frase abaixo para responder à pergunta:

“Chegando mais perto, raios finíssimos de sol atravessavam a pedra"

A terminação -íssimos, em “finíssimos”, acrescenta à base do adjetivo uma informação com o valor de:

Alternativas
Q765905 Português

Leia a frase abaixo para responder à pergunta:

“Chegando mais perto, raios finíssimos de sol atravessavam a pedra"

Substituindo o term o “a pedra” pelo pronome correspondente, o predicado passa a ter a seguinte redação:

Alternativas
Q765904 Português

Leia a frase abaixo para responder à pergunta:

“Chegando mais perto, raios finíssimos de sol atravessavam a pedra"

Um dos sentidos atribuídos ao emprego do gerúndio (“chegando mais perto”) é:

Alternativas
Q765903 Português
Em “O vento do meio-dia a deixava com sono e sede”, a figura de linguagem que se apresenta é:
Alternativas
Q765902 Português

Leia a frase abaixo para responder à questão:

“A pedra, no meio do caminho, era permeável: se chovesse, ficava encharcada”

O uso dos dois-pontos estabelece entre as partes dessa frase o seguinte sentido:

Alternativas
Q765901 Português

Leia a frase abaixo para responder à questão:

“A pedra, no meio do caminho, era permeável: se chovesse, ficava encharcada”

No verbo “chovesse”, o modo subjuntivo expressa o seguinte significado:

Alternativas
Q765900 Português

Texto II

Densidade

    No meio do caminho tinha uma pedra porosa. Dava para ver seus grãos. Chegando mais perto, raios finíssimos de sol atravessavam a pedra. Mais perto ainda, um turbilhão, um pequeno redemoinho (uma galáxia minúscula) se movia lá dentro, no leve corpo da pedra.

    A pedra, no meio do caminho, era permeável: se chovesse, ficava encharcada. O vento do meio-dia a deixava com sono e sede. A neblina que às vezes baixava no fim da tarde invadia a pedra, no seu corpo as nuvens trafegavam sem pressa. Os sons passavam por ela e iam se extinguir em algum lugar desconhecido. Na pequena galáxia dentro da pedra havia pequenos planetas orbitando em torno de sóis de diamante.

(LISBOA, A. Caligrafias. Rio de Janeiro: Rocco, 2004)

No comentário “uma galáxia minúscula”, o sentido das palavras mantém a relação caracterizada da seguinte maneira:
Alternativas
Q765899 Português

Texto II

Densidade

    No meio do caminho tinha uma pedra porosa. Dava para ver seus grãos. Chegando mais perto, raios finíssimos de sol atravessavam a pedra. Mais perto ainda, um turbilhão, um pequeno redemoinho (uma galáxia minúscula) se movia lá dentro, no leve corpo da pedra.

    A pedra, no meio do caminho, era permeável: se chovesse, ficava encharcada. O vento do meio-dia a deixava com sono e sede. A neblina que às vezes baixava no fim da tarde invadia a pedra, no seu corpo as nuvens trafegavam sem pressa. Os sons passavam por ela e iam se extinguir em algum lugar desconhecido. Na pequena galáxia dentro da pedra havia pequenos planetas orbitando em torno de sóis de diamante.

(LISBOA, A. Caligrafias. Rio de Janeiro: Rocco, 2004)

Considerando a leitura global do texto, o melhor sinônimo para a palavra “densidade” é:
Alternativas
Respostas
1: B
2: D
3: D
4: C
5: A
6: D
7: C
8: A
9: A
10: C
11: C
12: B
13: D
14: C
15: A
16: A
17: D
18: D
19: B
20: C