Answer: X = -9
Step-by-step explanation:
You can set up a ratio to solve this.
208/13 = -144/x
208x=-1872
x = -9
To work out 7% of 600, this is what you do
7/100 x 600
this will give you your answer
7% of 600 = 42
Area shaded = Area big circle- Area of small circle;
200 pi= pi•(2x)^2 -pi•6^2;
200pi= pi•4x^2 -pi•36;
200pi=pi•4(x^2 -9) divide both sides by 4pi;
50=x^2 -9; So x=sqrt(59)~7.68cm
Answer:
19/30
Step-by-step explanation:
30 students
12 have cat , 19 have dog , 6 no cat or dog
P dog = 19 have dogs/30 students total = .633333...
