Foram encontradas 120 questões.
Uma esfera maciça de alumínio, de raio 10 cm e densidade 2,7 g/cm³ está sobre uma balança submersa em água, cuja densidade vale 1 g/cm³. Qual o valor, aproximado, da leitura na balança, em kg? Adote g = 10 m/s² e !$ \pi = 3 !$.
Provas
Questão presente nas seguintes provas
Sam’s adventure
It’s a very hot Texas night; 35ºC! Sam can’t sleep. He’s hot and he’s hungry. He goes to the kitchen. He cooks some fried bananas. But he forgets to turn off the gas. He leaves the kitchen and goes to the pool. His parents are asleep; they don’t know about his adventure.
He’s in the water-alone!
Mmm, It’s cool! Suddenly he gets cramp in his legs and he can’t swim. He looks at the house and it’s on fire. Sam’s parents are in there and he must help them. He is desperate.
The word “must”, in bold, in the text, indicate
Provas
Questão presente nas seguintes provas
Marque a opção que apresenta, em destaque, complemento nominal.
Provas
Questão presente nas seguintes provas
Greenpeace _____ against environmental degradation since 1971 when a small boat of volunteers and journalists _____ into the U.S. atomic test zone of Amchitka, Alaska.
Our focus has been on the most crucial worldwide threats to our planet’s biodiversity and environment. It’s also our responsibility to expose environmental criminals, and to challenge governments and corporations when they fail to act appropriately in order to protect our environment and our future.
Fonte:www.greenpeace.org
The sentence ‘It’s also our responsibility to expose environmental criminals.’ means that Greenpeace ________, except:
Provas
Questão presente nas seguintes provas
O polígono regular cujo ângulo externo mede 24° tem _____ lados.
Provas
Questão presente nas seguintes provas
O circuito abaixo apresenta três lâmpadas idênticas, !$ L_1 !$, !$ L_2 !$ e !$ L_3 !$. Se a lâmpada !$ L_3 !$ queimar, o que acontece no circuito?
Provas
Questão presente nas seguintes provas
A regência verbal não está de acordo com a norma padrão em qual alternativa?
Provas
Questão presente nas seguintes provas
Seja (x – 1)² + (y – 6)² = 25 a equação reduzida de uma circunferência de centro C (a, b) e raio R. Assim, a + b + R é igual a
Provas
Questão presente nas seguintes provas
Sam’s adventure
It’s a very hot Texas night; 35ºC! Sam can’t sleep. He’s hot and he’s hungry. He goes to the kitchen. He cooks some fried bananas. But he forgets to turn off the gas. He leaves the kitchen and goes to the pool. His parents are asleep; they don’t know about his adventure.
He’s in the water-alone!
Mmm, It’s cool! Suddenly he gets cramp in his legs and he can’t swim. He looks at the house and it’s on fire. Sam’s parents are in there and he must help them. He is desperate.
According to the text, we can infer that Sam
Provas
Questão presente nas seguintes provas
O domínio da função real !$ g(x) = { \large \sqrt{x - 1} \over \sqrt[3] {x^2 - 4}} !$ !$ D = \{ X ∈ \Re / !$ !$ \} !$
Provas
Questão presente nas seguintes provas
Cadernos
Caderno Container