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Q3668625 Matemática
Em 2020, com a virada do ano e os primeiros meses de 2020, o aumento de casos da nova COVID-19 foi ganhando proporção drástica ao redor do mundo inteiro. Este cenário pode ser representado pela função exponencial.
Supondo que uma pessoa representou uma situação por f(x) = 2n + 1 e quando foi representar no gráfico caiu tinta sobre um número no eixo das ordenadas. 



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Com base no gráfico acima, podemos afirmar que a ordenada do ponto A é:
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Q3668624 Matemática

Uma professora apresentou algumas placas contendo os seguintes números:



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Em seguida perguntou aos alunos quantos números de 3 algarismos distintos, sem repetir os algarismos, poderiam formar usando os números contidos nas placas. A resposta correta para pergunta da professora é: 

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Q3668623 Matemática
Pedro e Maria ficaram de se encontrar no parque. Pedro enviou sua localização para Maria, indicando o ponto B (4,2). Maria por sua vez também enviou sua localização, indicando que está no ponto A (2,4). 


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Eles combinaram de se encontrar na lanchonete que fica localizada na metade do caminho entre os dois. Desta forma é correto afirmar que Maria e Pedro se encontraram no par ordenado:
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Q3668622 Matemática
Com o objetivo de diminuir o número de veículos nas ruas e avenidas, além de contribuir para reduzir a poluição, alguns países adotam o Rodízio de Veículos. Desde de 1997, São Paulo é a única cidade brasileira que segue essa orientação. A quantidade de carros que existem em certo condomínio está distribuída pelo final da placa como mostra a tabela a seguir: 

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Se um desses carros for escolhido ao acaso, a probabilidade de que seja um carro proibido de circular na quinta-feira é:
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Q3668621 Inglês
Considering the many uses for -ing forms, mark the option in which the -ing form is used as an adjective: 
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Q3668620 Inglês
Concerning the title of the last text, the underlined word in “As few as 4,000 steps a day can reduce your risk of death, but more is better.” is classified as a/an:
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Q3668619 Inglês
In English grammar, subordinating conjunctions are used to connect dependent clauses to independent clauses, adding more complexity to the sentences. These conjunctions tend to give more details about the main sentence, adding characteristics such as time, condition and cause. Considering that, read the following sentence and mark the alternative that contains the word that works as a subordinator and its meaning, respectively:

Exercise directly conditions the cardiovascular system, whereas benefit to other systems or conditions is somewhat less direct
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Q3668618 Inglês
As few as 4,000 steps a day can reduce your risk of death, but more is better
By Sandee LaMotte, CNN Published 7:05 PM EDT, Tue August 8, 2023 Walking a minimum of 4,000 steps a day significantly reduces your risk of an early death, while taking 2,337 steps a day will reduce your risk of death specifically from cardiovascular disease but “more is better,” according to a new meta-analysis of studies. “The more steps you walk, the better the effects on your health, and every increase of steps by 500-1000 steps/day may be associated with significant mortality reductions,” first author Dr. Maciej Banach, deputy editor-in-chief of the European Society of Cardiology, said in an email. Anything below 5,000 steps a day is considered a “sedentary lifestyle,” according to the study. The fact that it takes fewer steps to reduce risk of cardiovascular disease is not surprising, said Dr. David Katz, a specialist in preventive and lifestyle medicine who was not involved in the study. “Exercise directly conditions the cardiovascular system, whereas benefit to other systems or conditions is somewhat less direct,” said Katz, president and founder of the nonprofit True Health Initiative, a global coalition of experts dedicated to evidence-based lifestyle medicine. The study’s methods were “robust and state of the art,” and support what doctors often tell their patients, Katz said. “First, any exercise is better than none — with significant cardiovascular and overall health benefit at quite modest levels,” he added. “And for the range of activity that pertains to the public at large — the more, the better!”
(Adapted from www.cnn.com)
In the text, the author uses both direct and reported speeches throughout the paragraphs. Indicate which one of the options below uses the direct speech to express an idea. 
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Q3668617 Inglês
The comma can be such an important tool to build texts and it can make the writer's ideas much more understandable to their readers. In the phrase “The agency is rolling out new ads it hopes will increase confidence in the vaccines with a clear, straightforward message” the comma is used:
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Q3668616 Inglês
Present perfect is usually used to express things that started in the past but continue or have a great impact in the present. Given that, which of the following sentences is using present perfect in its structure?
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Q3668615 Inglês
In hopeful sign for the US, flu vaccine shows strong protection against hospitalization in South America, CDC report shows
By Deidre McPhillips, CNN Published 1:49 PM EDT, Fri September 8, 2023 Early data from South America shows that the flu vaccine has cut the risk of hospitalization in half this year, a hopeful sign that the vaccine will provide a similar level of protection in the United States as the country heads into its own respiratory virus season. The Southern Hemisphere typically experiences its flu season a few months earlier than the United States, and trends from that region can help the US prepare for the fall and winter. This year, mid-season flu vaccine data from five countries – Argentina, Brazil, Chile, Paraguay and Uruguay – shows that vaccination has reduced the risk of hospitalization by 52%, according to a report published Friday by the US Centers for Disease Control and Prevention. The data are based on about 3,000 patients who were hospitalized between late March and early July. People who had gotten the shot at least two weeks before the onset of symptoms were considered to be vaccinated, and the analysis focused on certain high-risk groups who were prioritized in the vaccination campaigns, including children, people with preexisting conditions and older adults. So far, the specific virus strains that have been detected in US this year have shown a similar pattern to those that were identified in South America. While these patterns are not yet certain, they offer an “encouraging outlook for vaccine protection” in the Northern Hemisphere, the researchers wrote in the new report. Annual flu shots are available now and the CDC recommends them for everyone 6 months of age and older in September and October, especially including very young children, people with preexisting health conditions, pregnant people and older adults. The agency is rolling out new ads it hopes will increase confidence in the vaccines with a clear, straightforward message: “The flu vaccine won’t keep a person from getting sick, but it will tame that infection, taking it from “Wild to Mild” — the tagline for the new campaign.
(Adapted from www.cnn.com)


In the sentence “The flu vaccine won’t keep a person from getting sick, but it will tame that infection” the word won’t is the contraction of ‘will not’ and a modal verb. Select the option that states this modal verb meaning and a word that could replace it without changing the context, respectively: 
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Q3668614 Inglês
Colombia deadliest country for environmentalists - report

By Vanessa Buschschlüter
BBC News
Tuesday, September 13, 2023

At least 177 environmental activists were killed across the world last year, a report by the non-governmental organisation Global Witness suggests.
Sixty of the killings took place in Colombia, making it the deadliest country for environmental defenders.
Global Witness says very few of the perpetrators of the killings are ever brought to justice.
The group said in its report that the total number of those killed in the country since it began recording data on attacks on environmentalists in 2012 had amounted to at least 382.
While that makes it the country with the highest number of murders of green activists anywhere in the world, other countries in Latin America also proved deadly.
Brazil recorded 34 murders of defenders of the environment. Mexico 31 and Honduras 11. The Amazon region saw 39 killings, with many of the victims from indigenous communities.
"Research has shown again and again that Indigenous peoples are the best guardians of the forests and therefore play a fundamental role in mitigating the climate crisis," said Global Witness senior adviser Laura Furones.
Global witness said the full scale of the killings was unknown, with a lack of independent monitoring and restrictions on free press in many countries leading to an underreporting of cases.
They have called on governments around the world to urgently address the issue, adding that defenders were also increasingly being subjected to legal efforts to silence them.

(Adapted from washingtonpost.com)
Linking or transition signals are words or phrases that connect your ideas and make your sentences more cohesive, connecting your paragraphs and aligning your thoughts. That said, which of the following words could better connect the next two paragraphs?
While that makes it the country with the highest number of murders of green activists anywhere in the world, other countries in Latin America also proved deadly. …………., Brazil recorded 34 murders of defenders of the environment. Mexico 31 and Honduras 11. The Amazon region saw 39 killings, with many of the victims from indigenous communities.
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Q3668613 Inglês
Colombia deadliest country for environmentalists - report

By Vanessa Buschschlüter
BBC News
Tuesday, September 13, 2023

At least 177 environmental activists were killed across the world last year, a report by the non-governmental organisation Global Witness suggests.
Sixty of the killings took place in Colombia, making it the deadliest country for environmental defenders.
Global Witness says very few of the perpetrators of the killings are ever brought to justice.
The group said in its report that the total number of those killed in the country since it began recording data on attacks on environmentalists in 2012 had amounted to at least 382.
While that makes it the country with the highest number of murders of green activists anywhere in the world, other countries in Latin America also proved deadly.
Brazil recorded 34 murders of defenders of the environment. Mexico 31 and Honduras 11. The Amazon region saw 39 killings, with many of the victims from indigenous communities.
"Research has shown again and again that Indigenous peoples are the best guardians of the forests and therefore play a fundamental role in mitigating the climate crisis," said Global Witness senior adviser Laura Furones.
Global witness said the full scale of the killings was unknown, with a lack of independent monitoring and restrictions on free press in many countries leading to an underreporting of cases.
They have called on governments around the world to urgently address the issue, adding that defenders were also increasingly being subjected to legal efforts to silence them.

(Adapted from washingtonpost.com)
Regarding Colombia deadliest country for environmentalists - report text which of the following sentences uses the passive form in its structure?
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Q3668612 Inglês
Colombia deadliest country for environmentalists - report

By Vanessa Buschschlüter
BBC News
Tuesday, September 13, 2023

At least 177 environmental activists were killed across the world last year, a report by the non-governmental organisation Global Witness suggests.
Sixty of the killings took place in Colombia, making it the deadliest country for environmental defenders.
Global Witness says very few of the perpetrators of the killings are ever brought to justice.
The group said in its report that the total number of those killed in the country since it began recording data on attacks on environmentalists in 2012 had amounted to at least 382.
While that makes it the country with the highest number of murders of green activists anywhere in the world, other countries in Latin America also proved deadly.
Brazil recorded 34 murders of defenders of the environment. Mexico 31 and Honduras 11. The Amazon region saw 39 killings, with many of the victims from indigenous communities.
"Research has shown again and again that Indigenous peoples are the best guardians of the forests and therefore play a fundamental role in mitigating the climate crisis," said Global Witness senior adviser Laura Furones.
Global witness said the full scale of the killings was unknown, with a lack of independent monitoring and restrictions on free press in many countries leading to an underreporting of cases.
They have called on governments around the world to urgently address the issue, adding that defenders were also increasingly being subjected to legal efforts to silence them.

(Adapted from washingtonpost.com)
In the 8th paragraph, senior adviser Laura Furones shares about the importance of Indigenous people as guardians of the forests.Without changing the meaning of the sentence, which alternative can replace the word mitigating in the sentence? 
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Q3668611 Meio Ambiente
O século XXI foi marcado pelas mudanças climáticas causadas pelas emissões dos gases de efeito estufa, consolidando uma crise climática ímpar na história. Em tal contexto, as energias renováveis aparecem como solução para o enfrentamento dessa crise. Dentre as opções abaixo, são exemplos de energia renovável, exceto:
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Q3668610 História
“A codificação e a legalização da escravidão, no entanto, não foram processos simples e muito menos iguais em todas as regiões que adotaram a escravidão nas Américas. Da mesma forma, os processos históricos – sociais, econômicos, políticos e jurídicos – que levaram à abolição da escravidão foram diferentes em cada um destes países.”

GRIMBERG, Keila; PEABODY, Sue. Escravidão e liberdade nas Américas.

Conforme observado no trecho destacado, os processos que levaram a legalização e a abolição da escravidão foram distintos nos diversos países americanos. No que diz respeito à escravidão no Brasil, analise as afirmativas a seguir: 

I. Apesar de bem organizadas, as comunidades quilombolas no Brasil nunca conseguiram estabelecer tratados com autoridades representantes da metrópole portuguesa para a manutenção da sua autonomia e liberdade.

II. O ato de alforriar era legalmente visto como uma concessão senhorial, podendo ser revogada por suposto comportamento inadequado do escravizado liberto.

III. Embora houvesse preocupação com o crescimento da população de escravizados libertos nos centros urbanos brasileiros, não houve medidas restritivas à alforria.


Estão corretas as afirmativas:
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Q3668609 História
A História Social Inglesa surgiu em meados do século XX, firmando-se no pensamento historiográfico a partir da década de 1960. No que diz respeito à chamada “História vista de baixo” é correto afirmar que:
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Q3668608 História
No século V, a Igreja Católica já possuía grande trajetória e influência na cultura das sociedades na Europa Medieval. Após as perseguições sofridas por cristãos até o século II, comunidades cristãs criaram mecanismos de defesa que permitiram com que a Igreja fosse a única instituição a sobreviver à crise do Império Romano. Sobre a atuação e organização dos cristãos católicos na Alta Idade Média, é correto afirmar que:
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Q3668607 História
A respeito das características básicas do modelo de democracia ateniense, é correto afirmar que:
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Q3668606 História

Observe a imagem e responda o que se segue.



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No que diz respeito ao fascismo, é correto afirmar que:

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Respostas
1241: A
1242: C
1243: A
1244: B
1245: B
1246: A
1247: B
1248: B
1249: D
1250: C
1251: A
1252: A
1253: D
1254: C
1255: C
1256: B
1257: B
1258: C
1259: D
1260: B