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starlodgb1971
16.07.2019 •
Mathematics
Two cargo trains each leave their respective stations at 1: 00 p.m. and approach each other, one traveling west at 6 miles per hour and the other on separate tracks traveling east at 14 miles per hour. the stations are 40 miles apart. find the time when the trains meet and determine how far the eastbound train has traveled. a). 3 p.m, 28 mi b). 12 p.m., 20 mi c). 2 p.m., 18 mi. d). 1 p.m., 15 mi
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Ответ:
The eastbound train has traveled 28 miles and they met at 3:00 pm
Speed is the ratio of total distance to total time taken. It is given by:
Speed = distance / time
Let both cargo trains meet each other at time t.
For the train traveling west:
6 = d₁ / t
d₁ = 6t
For the train traveling east:
14 = d₂ / t
d₂ = 14t
Since both trains are 40 miles apart, hence:
d₁ + d₂ = 40
6t + 14t = 40
20t = 40
t = 2 hours
t = 3:00 pm (1:00 pm + 2 hours)
Distance travel by east bound train = d₂ = 14t = 14(2) = 28 miles
The eastbound train has traveled 28 miles and they met at 3:00 pm
Find out more on speed at: link
Ответ:
let x = hours
6x + 14x = 40
20x=40
x = 40/20 = 2 hours
1 pm + 2 hours = 3 pm
eastbound trains is going 14 miles per hour, 14 mph x 2 hours = 28 miles
Answer is A. 3 pm and 28 miles
Ответ:
Explanation:
El pintor hizo esta pintura para una exposición que tenía como objetivo recaudar fondos para apoyar la causa griega, después de leer los escritos de Byron sobre el tema. 2
En ella, una mujer que simboliza a Grecia, que luchaba contra los turcos por la independencia, está vestida con la vestimenta tradicional griega y detrás de ella hay una jenisaria otomana, símbolo de la opresión.
La mujer señala las piedras sangrientas que esconden los cadáveres, una alegoría de Grecia derrotada por el Imperio Otomano. El trabajo trató de posicionar a una Francia conservadora en ese momento para ayudar al pueblo griego. Dos años después, una alianza franco-británica y rusa luchó militarmente y derrotó a los turcos en la guerra. 3