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Q572962 Matemática
As retas r1: 2x - y+ 1 = 0 ; r2: x + y + 3=0 e r3: αx + y - 5 =0 concorrem em um mesmo ponto P para determinado valor de α∈R. Sendo assim, pode-se afirmar que o valor da expressão 

Imagem associada para resolução da questão


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Q572961 Matemática
Uma reta r passa pelo ponto M( 1, 1, l) e é concorrente às seguintes retas: Imagem associada para resolução da questão Pode-se dizer que as equações paramétricas dessa reta r são

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Q572960 Matemática
A soma dos três primeiros termos de uma P.G. crescente vale 13 e a soma dos seus quadrados 91. Justapondo-se esses termos, obtém-se um número de três algarismos. Pode-se afirmar que o resto da divisão desse número pelo inteiro 23 vale
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Q572959 Matemática
Resolvendo Imagem associada para resolução da questão sec2(x)dx encontra-se

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Q572958 Matemática
Analise o sistema a seguir. 

                                  Imagem associada para resolução da questão

Para o maior valor inteiro de m que torna o sistema acima possível e indeterminado, pode-se afirmar que a expressão Imagem associada para resolução da questãovale

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Q572957 Matemática
Em uma P.G., Imagem associada para resolução da questão  onde Imagem associada para resolução da questão  Para o valor médio M de K, no intervalo onde a P.G. é decrescente, o resto da divisão do polinômio Imagem associada para resolução da questão pelo binômio Imagem associada para resolução da questão é

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Q572936 Inglês
Choose the best reply to this sequence of questions.
"Do you have secrets you've kept from your family? Would you like to get them off your chest?
(Adapted from: https://www.psychologytoday.com).
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Q572935 Inglês
                                   How to Succeed in High School - Studying at Home

In order to be successful, set regular study and homework hours. Making this part of your routine creates a positive pattern for success. Create a well-lit study area. _______ a CD player if you _______ it helps you stay focused. Otherwise, highlight the space with yellow and other upbeat hues that may help keep your mind fresh.

(Adapted and abridged form http://teenadvice.about.com).
Which is the correct option to complete the paragraph below ?
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Q572934 Inglês
We would like to invite you to participate __________ a conference on the Contemplative Heart of Higher Education that will be held _______ Amherst College _____ April 24-26, 2009.

This year1s conference will be the first to be sponsored _______ the new Association for Contemplative Mind in Higher Education, which is affiliated with the Center for Contemplative Mind in Society. The conference will explore the special role that contemplative practices can play in cultivating those capacities of attention, equanimity, wisdom and compassion that are central to the lives _____ our students and ourselves.

(Adapted from http://www.internationalpeaceandconflict.org).
Which is the correct option to complete this paragraph?
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Q572933 Inglês
                                  Unclean Water Kills Half a Million Newborns a Year

In 18 countries of Sub-Saharan Africa, access to water in health care facilities is as ________ 20 percent. Access to water in larger hospitais is typically ________ than it is in smaller, primary health clinics, where most people receive their care, the report finds.

(Adapted from http://www.newsweek.com).
Which is the correct way to complete the paragraph below?
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Q572932 Inglês
Which of the options completes the sentence correctly?
People who are middle-aged and older tend to know more than young adults ________ they have been around longer, and score higher on vocabulary tests, crossword puzzles and other measures of so-called crystallized intelligence.
(Adapted from http://www.nytimes.com).
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Q572931 Inglês
Which of the options completes the sentence correctly? Mary has a brother,____________ ?
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Q572930 Inglês
Choose the correct option to complete the dialogue.
John: I'll have to buy a new smartphone. Mine is broken. Paul: Why don't you have it ______ instead?
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Q572929 Inglês
Which of the sentences below is INCORRECT ?
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Q572928 Inglês
Which option contains a correct sentence?
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Q572927 Inglês
Which question word best completes the paragraph below?
The National Gallery in London is among a growing number of venues that have banned selfie sticks. ________ is so wrong with walking around a gallery taking pictures of yourself ? The gallery says it needs to protect artworks and other visitors. But some users can’t see what the fuss is about.
(Adapted from http://www.bbc.com).
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Q572926 Inglês
Analyze these sentences.

I - Would you still love me if I hurt you?

II - I wouldn 't travei alone if I were you.

III- Even if she would study, she didn't pass.

IV - If you would stop smoking, you'd be able to run the marathon.

V - She wouldn't eat broccoli even if you'd cover it with cheese.                                     
Choose the correct option.
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Q572925 Inglês
Which is the correct way to complete the paragraph below?
                                                How to Become a Pro Gamer
Easy to understand, that is. ________ for a living isn't all fun and games. It takes time, skill and determination ________ in today's competitive circuits. If you're up for the challenge, here's what you need to do.
(Adapted frora http://iq.intel.com/want-pro-gamer/?sr_source=lift„gravity&v=3)
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Q572924 Inglês
                                        Major Current Environmental Problems

Ocean Acidification: It is a direct impact of excessive production of C02. 25% of C02 is produced by humans. The ocean acidity has increased by the last 250 years, but by 2100, it _______ shoot up by 150%.
Acid Rain: Acid rain occurs due to the presence of certain pollutants in the atmosphere. Acid rain is a known environmental problem that _______ have serious effect on human health, wildlife and aquatic species.

(Adapted from http://www.conserve-energy-future.com).
Which is the correct option to complete the text below?
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Q572923 Inglês
                                          What Explains Brazil's Surfing Boom?

Brazil _____ more than 4,000 miles of coastline, and Brazilians _______ its waves at least since the Australian surfer Peter Troy ______ a demonstration in Rio de Janeiro in 1964. So why the sudden dominance? The answer is that the country itself ______ .

(http://nytimes.com).
Which is the correct way to complete the paragraph below?
Alternativas
Respostas
601: E
602: A
603: A
604: A
605: A
606: A
607: D
608: C
609: C
610: A
611: D
612: B
613: E
614: C
615: B
616: C
617: A
618: D
619: A
620: C