SOLUTION
At the same time t,
Train 1 would have covered a distance of 80t, since distance = average speed x time.
Train 2 would have covered a distance of 70t.
Now both added should give 210 miles
That is 80t + 70t = 210
150t = 210
t = 210/150
t = 1.4 hours
Answer:
18.1437
Step-by-step explanation:
divide the mass value by 2.205
Y+2=3(x+6) is your answer.
Answer:
$146.00 a month I hope that's what you're look for
Step-by-step explanation:
go to Khan academy they give free math explainations
I hope this helps you
y=x^2-81
x^2=y+81
x=square root of y+81
f^-1 (x)= square root of x+81