Subtract the faster speed:
721.6 - 8.4 = 713.2
Divide by 2 trains:
713.2/2 = 356.6
The slower train is going 356.6 miles per hour.
The faster train is going 356.6 + 8.4 = 365 miles per hour.
Answer:
This isn’t really a valid equation, so I’m guessing you forgot to type something.
Step-by-step explanation:
125x^3 = (5x)^3
125x^3 is the cube of 5x.
169 = 13^2
169 is the square of 13, but not the cube of a rational number.
The statement is false.
Answer:
Either one: the two line have a point in common, or infinite: they are the same line.
Answer: rational
a rational number is a number that can be expressed by a quotient or a fraction