Answer:
15 boys
Step-by-step explanation:
50 x .30 = 15
5x=2x=35
7x=35
x=35/7
x=5
5x=25 girls
2x=10 boys
hope i helped you
Answer:
The mean is: 31
The mode is: 6
Step-by-step explanation:
The mean is 31 because you have to add all the numbers. The mode is 6 because it is the number that occurs the most.
I hope this helps : )
Use Heron's Formula:
s means semi-perimeter = (50 + 31 + 18) / 2 = 99 / 2 =
49.5
area = sq root [(s * (s-a) * (s-b) * (s-c)]
area = sq root [(49.5 * (s-a) * (s-b) * (s-c)]
This will NOT form a triangle. The longest side (50) is greater than the sum of the other 2 sides.
Source:
http://www.1728.org/trianinq.htm