<em> - 2 1/3</em>
- <em>Step-by-step explanation:</em>
<em>Hi there ! </em>
<em>6 2/9 : ( - 2 2/3) =</em>
<em>= (6*9+2)/9 : -(2*3+2)/3</em>
<em>= 56/9 : - 8/3</em>
<em>= 56/9 × - 3/8</em>
<em>simplify 56 - 8 ; 9 - 3</em>
<em>= 7/3 × - 1/1</em>
<em>= - 7/3</em>
<em>= - 2 1/3</em>
<em>Good luck !</em>
<em />
Answer:
16.67% probability of getting 2 blues
Step-by-step explanation:
A probability is the number of desired outcomes divided by the number of total outcomes.
The order in which the marbles are selected is not important. So we use the combinations formula to solve this question.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.
What is the probability of getting 2 blues?
Desired outcomes:
Two blue marbles, from a set of 4.

Total outcomes:
Two marbles, from a set of 9.

Probability:

16.67% probability of getting 2 blues
Answer:
Ruby pays a dollar every 12 messages.
Step-by-step explanation:
It costs Ruby $4 to send 48 text messages. To find the unit rate, you would divide 48 by 4. So the result would lead to 12 messages per dollar.