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Elina [12.6K]
3 years ago
10

5x+9-2x-7y What is the coefficient of the y term?

Mathematics
1 answer:
NARA [144]3 years ago
7 0
Coefficient = number of so coefficient of y term = number of y's

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lora16 [44]
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(we can just subtract this because they are traveling in the same direction) - this means that it's as if the slower train (the freight) was in place and the passenger train was traveling at 23.4 km/h
No, the freighter left 3.9 hours earlier, during which it traveled

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So they will meet when the passenger train will catch up on those 60.84 km.

It does it with 23.4 km/h so it will need:
\frac{6084}{2340} =2.6

So the freighter will be travellinf for 2.6 more hours than the other train - a total of (2.6+3.9=6.5) 6.5 hours!



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