MAT_2_EM_Q25-27
Flashcard
•
Mathematics
•
11th Grade
•
Hard
JEAN DELGADO
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4 questions
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1.
FLASHCARD QUESTION
Front
Marcos e Julia, em viagens de negócios para cidades diferentes, combinaram de ligar para seus chefes assim que chegassem. A chance de Marcos ligar é de 60%, e a de Julia, 80%. Qual a probabilidade de pelo menos um deles entrar em contato?
Back
92%
2.
FLASHCARD QUESTION
Front
Qual a probabilidade respectiva e aproximada, em porcentagem, dos seguintes eventos acontecerem ao lançar um dado comum: um número ser par, um múltiplo de 3 e um número par ou múltiplo de 3?
Back
50%, 33,33%, 66,67%
3.
FLASHCARD QUESTION
Front
Seis dados honestos são lançados ao mesmo tempo. Quantas sequências distintas de resultados podemos obter, considerando a ordem em que os números aparecem?
Back
6^6 = 46.656
4.
FLASHCARD QUESTION
Front
O triângulo retângulo a seguir sofreu uma rotação com centro de rotação no ponto B. Responda o sentido do giro e a medida do ângulo de rotação.
Back
o triângulo girou 45° no sentido horário.
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