Complementary opposition is typical of <span>segmentary lineages. A segmentary lineage or also known as tribal society is a type of society grouped into segments. The smallest segment would be a close family. In this type of society, when conflicts arise between brothers, it must be settled among all the brothers while the other relatives should not take sides. </span>
Answer:
45 km/hr
Explanation:
total distance = 90
Increased speed = x+15
90/x - 90/x+15=1/2
90(1/x - 1/x+15)=1/2
90(x+15-x/x^2+15x)=1/2
equation is:
x^2+15x-2700=0
x^2+60x-45x-2700=0
x(x+60)-45(x+60)=0
(x+60)(x-45)=0
x= -60, x=45
reject the negative value = -60
usual speed=45 km/ hr
Switzerland would be the correct choice i just took the quiz and got it right
Was controlling and didn't give Americans the freedom they deserved.