halily
halily halily
  • 07-05-2017
  • Mathematics
contestada

Question number 10 what do u have to do

Question number 10 what do u have to do class=

Respuesta :

DramaQueen001
DramaQueen001 DramaQueen001
  • 07-05-2017
Train A: d = 40t + 400
Train B: d = 80t + 200

If you do a subtraction, you get it in terms of t only: 0 = -40t +200
Which allows you to sold for t:
40t = 200
t = 5 hours

And from there you solve for d = 80(5) + 200 = 600 miles
Answer Link
callie3212 callie3212
  • 07-05-2017
Find the distance between the 2 trains when they r same distance from station
Answer Link

Otras preguntas

Why do the complex characters in Shakespeare's plays appeal to a wide audience? because the characters are based on European myths and legends. because the char
Four expressions are shown below: a. 4(8x + 2) b. 4(7x +3 ) c. 32x + 8 d. 28x +12 Which two expressions are equivalent to 4(7x + 2+ x)?
Which of the following can combine in a cell to convert a lower-energy molecule into a higher-energy molecule?? a. ADP+P+ENERGY b. ATP+P+ENERGY c. ADP+P d. ATP+
Find the roots of the quadratic equation x^2 -8x=9 by completing the square
what is the closest benchmark to 8%?
The blue jay is often very --------. What predicate adjective can I put where the ------ are?
What species may have been the first to use crude tools?
let f(x)= -4x+7 and g(x)= 10x-6. find f(g(x))
What happens in a reduction half-reaction? elements gain electrons elements lose electrons oxygen is added oxygen is lost
What body systems does angelman syndrome affect?