Answer:
Step-by-step explanation:
Pentagon
So, Pentagon has 72 degree rotational symmetry.
the last two ones be the same, the outcomes would be TTT,HTT,THH,HHH
so the probability is 4/8 = 1/2.
Answer:
CB And A F
Step-by-step explanation:
Find x you mean?
substract both side by 2x
5x=-35
divide both side by 5
x=-7
->D
1. 9/10 + 7/9 = 81/90 + 70/90 = 151/90 = 1 61/90
2. 1/2-3/11 = 11/22-6/22 = 5/22
3. 2/5-1/15 = 6/15-1/15 = 5/15 =1/3
