Answer:
<em>4 Groups</em>
Step-by-step explanation:
2 1/2 can be written as 2.5, and since this is division, all we have to do is divide 10 by 2.5.
10/2.5=4
Answer:
20
Step-by-step explanation:
Answer:
Please translate this to english for my help
Step-by-step explanation:
The area of the quarter circle with radius 3ft is 
Area of a quarter circle is given by the formula:

Where r represents the radius of the circle
In the quarter circle shown, the radius, r = 3 feet
π = 3.14
Substitute π = 3.14 and r = 3 into the formula 

The area of the quarter circle with radius 3ft is 
Learn more here: brainly.com/question/25843249
Answer:
The probability that they each win six games is 0.225.
Step-by-step explanation:
Given : A computer chess game and a human chess champion are evenly matched. They play twelve games.
To find : The probability that they each win six games?
Solution :
Applying binomial distribution,
Here n=12 and p=0.5

The probability that they each win six games is k=6.




Therefore, The probability that they each win six games is 0.225.