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Q3707675 Matemática
Em um viveiro, há 8 pássaros: 5 fêmeas e 3 machos. Foram selecionados ao acaso 3 pássaros para participar de um estudo, sem reposição. Qual é a probabilidade de serem escolhidos exatamente 2 fêmeas e 1 macho?
Alternativas
Q3707674 Matemática
Um tanque cilíndrico contém água até a altura de 11,25 m. Deseja-se transferir toda a água para outro tanque cilíndrico, cujo raio é 3 vezes maior que o do primeiro. Qual é a altura (em metros) que a água atingirá no segundo tanque?
Alternativas
Q3707673 Matemática
Na figura abaixo, considere que os segmentos de reta AE e BD interceptam-se no ponto C e que os triângulos ABC e CDE são retângulos.

Q38.png (344×160)

Sabendo que as medidas dos segmentos ED, BC e AC são, respectivamente, √3 cm, 2 cm e 4 cm, qual é a área (em cm²) do triângulo ABD?
Alternativas
Q3707672 Matemática
Considerando os pontos A(1,2) e B(5,4) no plano cartesiano, a equação reduzida da circunferência com centro em A e que passa por B é:
Alternativas
Q3707671 Matemática
A respeito das funções reais f(x) = ax² + bx +9 e g(x) = ax² + bx – 3, onde a е b são números reais com a ≠ 0, analise as afirmações abaixo:

1. f(x) - g(x) = 12, para todo número real х.
2. O gráfico de f(x) é uma parábola que intercepta o eixo y no (0,9).
3. Se f (p) = 25, sendo p um número real, então g(p) = 0.
4. O gráfico de g(x) intercepta a origem do plano cartesiano.
5. Se g(r) = 6, sendo r um número real, então f(r) = 18.

O resultado da somatória dos números correspondentes às afirmações corretas é:
Alternativas
Q3707670 Matemática
Qual é a razão entre as áreas do círculo inscrito e do círculo circunscrito a um mesmo quadrado de lado medindo 1 unidade de comprimento?
Alternativas
Q3707669 Matemática
Se uma matriz invertível B é tal que det(B) = x — 2 e det(B-1) = x + 6, então а soma e o produto dos valores de x são, respectivamente: 
Alternativas
Q3707668 Matemática
Carlos e Ana recebem o mesmo salário por hora de trabalho. Depois de Carlos ter trabalhado 6 horas e Ana 4 horas e 30 minutos, Carlos tinha para receber R$ 240,00 a mais que Ana. Quanto é (em R$) um quinto do valor que Carlos recebeu?
Alternativas
Q3707667 Matemática
Considerando os números reais Q32.png (220×42) é correto afirmar que:
Alternativas
Q3707666 Matemática
Para quais valores de m² - n2 o polinômio (m – n - 5)x7 + (m + n + 3)x2 será identicamente nulo?
Alternativas
Q3707610 Inglês
Analyze the cartoon below:

Q40.png (385×417)

A man says to a woman, "We can afford to get married soon". In the sentence, "afford to" means that the man is
Alternativas
Q3707609 Inglês
96-year-old secretary secretly grew a $9M fortune


By Sarah Jackson


Q31_39.png (692×625)

(Available at: https://www.cbc.ca/radio/asithappens/as-it-happens-monday-full-episode-1.4651457/96-yearold-secretary-secretly-grew-9m-fortune-then-donates-to-students-1.4651864 - text specially adapted for this test).
The word "finally" in "She finally finished her college degree" (l. 30) is a/an:
Alternativas
Q3707608 Inglês
96-year-old secretary secretly grew a $9M fortune


By Sarah Jackson


Q31_39.png (692×625)

(Available at: https://www.cbc.ca/radio/asithappens/as-it-happens-monday-full-episode-1.4651457/96-yearold-secretary-secretly-grew-9m-fortune-then-donates-to-students-1.4651864 - text specially adapted for this test).
The last question asked by the interviewer presents an unreal situation; it would be impossible for Bloom to learn her story became public because it happened after she died. Which of the alternatives below correctly presents a third conditional structure commonly used in such cases? 
Alternativas
Q3707607 Inglês
96-year-old secretary secretly grew a $9M fortune


By Sarah Jackson


Q31_39.png (692×625)

(Available at: https://www.cbc.ca/radio/asithappens/as-it-happens-monday-full-episode-1.4651457/96-yearold-secretary-secretly-grew-9m-fortune-then-donates-to-students-1.4651864 - text specially adapted for this test).
Mark the correct statement about the excerpt "How did you react when you learned Sylvia Bloom had a fortune of more than $8 million?" (l. 12-13).
Alternativas
Q3707606 Inglês
96-year-old secretary secretly grew a $9M fortune


By Sarah Jackson


Q31_39.png (692×625)

(Available at: https://www.cbc.ca/radio/asithappens/as-it-happens-monday-full-episode-1.4651457/96-yearold-secretary-secretly-grew-9m-fortune-then-donates-to-students-1.4651864 - text specially adapted for this test).
Analyze the statements below about the excerpt "Bloom was a legal secretary at a New York City law firm." (I. 02-03):

I. The use of the indefinite article before "legal secretary" is incorrect, since Bloom was already referred to in the article.
II. Both articles are correctly paired with a single countable noun.
III. The indefinite article before "New York City law firm" is correct because it is the first time the firm is mentioned.

Which ones are correct?
Alternativas
Q3707605 Inglês
96-year-old secretary secretly grew a $9M fortune


By Sarah Jackson


Q31_39.png (692×625)

(Available at: https://www.cbc.ca/radio/asithappens/as-it-happens-monday-full-episode-1.4651457/96-yearold-secretary-secretly-grew-9m-fortune-then-donates-to-students-1.4651864 - text specially adapted for this test).
Why was the past perfect tense used in the following sentence "Jane Lockshin says when she found out her 96-year-old aunt, Sylvia Bloom, had amassed a fortune of more than $9 million, she had an 'oh my God' moment." (I. 01-02)?
Alternativas
Q3707604 Inglês
96-year-old secretary secretly grew a $9M fortune


By Sarah Jackson


Q31_39.png (692×625)

(Available at: https://www.cbc.ca/radio/asithappens/as-it-happens-monday-full-episode-1.4651457/96-yearold-secretary-secretly-grew-9m-fortune-then-donates-to-students-1.4651864 - text specially adapted for this test).
Mark the INCORRECT statement about the article.
Alternativas
Q3707603 Inglês
96-year-old secretary secretly grew a $9M fortune


By Sarah Jackson


Q31_39.png (692×625)

(Available at: https://www.cbc.ca/radio/asithappens/as-it-happens-monday-full-episode-1.4651457/96-yearold-secretary-secretly-grew-9m-fortune-then-donates-to-students-1.4651864 - text specially adapted for this test).
Acсording to the text, analyze the statements below and mark T, if true, or F, if false.

( ) Jane Lockshin is Sylvia Bloom's lawyer.
( ) Sylvia Bloom retired at the age of 67.
( ) Friends and family received part of Sylvia Bloom's inheritance.
( ) Sylvia Bloom lived for many years after retiring.

The correct order of filling in the parentheses, from top to bottom, is:
Alternativas
Q3707602 Inglês
96-year-old secretary secretly grew a $9M fortune


By Sarah Jackson


Q31_39.png (692×625)

(Available at: https://www.cbc.ca/radio/asithappens/as-it-happens-monday-full-episode-1.4651457/96-yearold-secretary-secretly-grew-9m-fortune-then-donates-to-students-1.4651864 - text specially adapted for this test).
Why did Sylvia Bloom have access to her boss's investments?
Alternativas
Q3707601 Inglês
96-year-old secretary secretly grew a $9M fortune


By Sarah Jackson


Q31_39.png (692×625)

(Available at: https://www.cbc.ca/radio/asithappens/as-it-happens-monday-full-episode-1.4651457/96-yearold-secretary-secretly-grew-9m-fortune-then-donates-to-students-1.4651864 - text specially adapted for this test).
How did Sylvia Bloom build her fortune?
Alternativas
Respostas
121: E
122: B
123: D
124: A
125: C
126: C
127: D
128: E
129: B
130: A
131: B
132: D
133: C
134: A
135: E
136: E
137: C
138: B
139: A
140: D