137.1
You would find the area of the semi circle by using the circle formula and dividing by 2, which would be 8
Then find the area of the rectangle, which would be 112.
The ratio of girls to boys would be 16:12 because if you divide 28 by 2 you get 14. subtract 2 to on one of them and add the two to the other. You get 12 and 16. There is a difference of 4 to them and when you add them together you get 28. :)
Answer:
9.13889
Step-by-step explanation:
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Answer:X=1 or 0.5
Step-by-step explanation:
Use general quadratic equation
That is
X=(-b+or√(b²-4ac))/2a
Where
a=4
b=-6
c=2
