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:
A. A company designs a new laptop computer with features
consumers want.
Explanation:
Answer:
Roman Goverment- levied heavy taxes on people
Roman Emperors-fought among themselves
Barbarian tribes-disrupted trade routes
Explanation:
I took this test and this was correct
We did this in school recently too!
Here's what I wrote<span>"This explains how Islam spread so quickly because these are rules people would rather live by. It is much more safe than other religions."Hope this helped ;)<span>
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