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Archy [21]
3 years ago
10

12+12

Mathematics
1 answer:
dlinn [17]3 years ago
8 0

Answer:

12

Step-by-step explanation:

do the math

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At 3:30 p.m., Berto’s train was 34 miles past the egg farm, traveling at an average speed of 85 miles per hour. At the same time
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E=egg farm

x=distantce between  the Berto´s trains and the meeting point.

t=time where the trains meet up

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distance between Berto´s train and Eduardo´s train=

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S=d/t      ⇒d=S*t

S=seed

d=distance

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Eduardo´s train;

46 miles+x=t*110 miles/h  ⇒x=t*110 miles/h-46 miles  (1)

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With the equations (1) and (2) we suggest this system equations:

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x=t*85 miles/h

we solve this system equiations :

t*110 miles/h-46 miles=t*85 miles/h

110t miles/h-85t miles/h=46 miles

25 t miles/h=46 miles

t=46 miles/25 miles/h=1,84 hour  (≈1 hour, 50 minutes, 24 seconds)

x=t*85 miles/h=156,4 miles

Solution: 1,84 hour

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Answer:

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Step-by-step explanation:

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