![subject](/tpl/images/cats/mat.png)
Mathematics, 18.03.2021 03:10 smorze
An urn contains four red marbles, and five blue marbles. What is the probability of selecting at random, without replacement, two blue marbles?
A. 16/81
B. 20/72
C. 16/72
D. 20/81
SHOW WORK
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:00
In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:30
The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:20
Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:30
Plzzz answer both questions and i will give you 100 points
Answers: 1
You know the right answer?
An urn contains four red marbles, and five blue marbles. What is the probability of selecting at ran...
Questions
![question](/tpl/images/cats/en.png)
English, 26.05.2021 18:50
![question](/tpl/images/cats/es.png)
Spanish, 26.05.2021 18:50
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.05.2021 18:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.05.2021 18:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
Health, 26.05.2021 18:50
![question](/tpl/images/cats/himiya.png)
Chemistry, 26.05.2021 18:50
![question](/tpl/images/cats/en.png)
English, 26.05.2021 18:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.05.2021 18:50