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
Eu recomendo que você procura saber mais sobre a Rita Lee, uma roqueira brasileira dos anos 60-90 que tocava em uma banda chamada “Os Mutantes” e que vendeu quase 60 millions de álbuns.
Answer:
People began to think about businesses rationally.
Goods became cheaper and easier for businesses to produce.
Absolute monarchs began to lend businesses money.
Government corporations are intended to carry out business activities for the betterment of the citizens of the nations. These cooperations are set up by the congress of men and unlike all other public businesses they have board of directors and a general manager.
Answer:True
Explanation:
Cap and trade system is a system which is used to minimize the releases of pollution to the atmosphere
The cap part of this system is the one which focuses on minimizing pollution effect from the green house gases
The trade part is the one which monitors how companies buy and sell the rights to emit only a minor amount , trade helps companies finds ways to cut emission in cost effective ways.
Caps defines penalities that apply when one violates emission rules.
