![subject](/tpl/images/cats/mat.png)
Mathematics, 17.06.2020 20:57 sean7900
Una caja negra contiene una esfera blanca y tres guindas, otra caja gris contiene cuatro esferas blancas y cuatro esferas guindas. Se selecciona una caja al azar y se elige una esfera. Si la esfera resultante es guinda, calcule la probabilidad de que provenga de la caja negra. *
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:30
The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?
Answers: 1
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
You know the right answer?
Una caja negra contiene una esfera blanca y tres guindas, otra caja gris contiene cuatro esferas bla...
Questions
![question](/tpl/images/cats/en.png)
English, 11.04.2020 02:50
![question](/tpl/images/cats/istoriya.png)
History, 11.04.2020 02:50
![question](/tpl/images/cats/istoriya.png)
History, 11.04.2020 02:50
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
English, 11.04.2020 02:50
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.04.2020 02:50
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/pravo.png)
Law, 11.04.2020 02:50
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.04.2020 02:50
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 11.04.2020 02:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 11.04.2020 02:50
![question](/tpl/images/cats/mat.png)
Mathematics, 11.04.2020 02:50
![question](/tpl/images/cats/biologiya.png)
Biology, 11.04.2020 02:50