a train covers a distance of 5000km in 3 hrs calculate it's speed
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0
Answer:
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according to the question
x
600
−
x+20
600
=5
x
2
+20x
600x+12000−600x
=5
600x+12000−600x=5x
2
+100x
5x
2
+100x−12000=0
x
2
+20x−2400=0
x
2
+60x−40x−2400=0
x(x+60)−40(x+60)=0
(x+60)(x−40)=0
x=40km/hr since speed cannot
Answered by
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Answer:
8948843
Step-by-step explanation:
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