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
The British killed Cyprus Attucjs
Answer:
Hmmm, I'll try to help you bud :3
1.//A// The Commonwealth of Independent States are a free association of states and the countries in the region who r members are Russia, Azerbaijan, Ukraine, Armenia, Belarus, Georgia, Kazakhstan, Kyrgyzstan, Moldova,Tajikistan, Turkmenistan, and Uzbekistan
2. //B// The economies of the region changed since the collapse of the Soviet Union is that it threw economies to have increased/double the amount of crime rates
3.//C// In Eastern Europe, life in the citty has agriculture and livestock which they have a production for grain :3
Explanation:
:3
Relating to interaction with other people especially for pleasure a busy social life.
