Experimentally it landed on tails 5/12 tails/rolls=5/12 so if this continues how many rolls will it take to get 30 tails?
5/12=30/r
5r=12(30)
5r=360
r=72
72 rolls to get 30 tails
Answer:C
Step-by-step explanation:
There are 180 degrees in a triangle
4. 38+38= 76 degrees
180-76=104
Isosceles, Obtuse
5. 65+ x+x=65
Well we know one of the x
It is 90 degrees because it is a right angle
65+90=155
180-155=25
Scalene, Right triangle
6. 71+45= 116
180-116=64
7. Scalene, acute
8. 126+22=148
180-148=32
Scalene, Obtuse
9. 50+90=140
180-140=40
Right angle, Scalene
Please let me know if i got anything wrong
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1. x=4, y=0
3. x=2.6666, y=0.3333
