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:
C
Explanation:
mechanization of agriculture
Spend more time with family.Happiness is the best medicine for events like that
Answer:
oral and in writing to be enforceable
Explanation:
An agreement that is writing and signed by both parties makes it binding on both of them hence it is enforceable by the law. So an agreement to seek an interest in real estate must be put down in writing also so that it can be enforceable by the law should problem arise.
Answer:
7, 2, 5 are the best answers.
