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
Answer:
Wallerian degeneration.
Explanation:
Wallerian degeneration.
Wallerian degeneration is nothing but a well organized morphological and biochemical change that results in axons, microphases distal to the site of injury and degenerates those sites. It is some what a cascade of cellular and molecular events.
Answer:
It has to do with civil rights, because when he descriminates or gives freedom to speech YOUR CHEATING YOU
Explanation:
The best cause is erosion creating waves and pushing forward the line where the sand starts
