The answer is D hope this helped
Each child has a 50% chance to be a girl and 50%chance to be a boy so with 4 children the probability is
8,000,000,000+300,000,000+90,000,000+
2,000,000+3,000+800+30
Answer: X=1
Step-by-step explanation:
The hypotenuse is √2 which means that x²+x²=(√2)² using Pythagoras
Simplify and solve
2x²=2
x²=1
X=√1
X=1