Answer: 54.4 mph
Step-by-step explanation:
First find the distance to the train station. If it took Carlos 4 hours to come back driving at 68 mph, the distance is:
= Speed * time
= 68 * 4
= 272 miles
This means that Carlos drove for 5 hours to cover 272 miles the first time. His average speed was therefore:
= Distance / time
= 272/5
= 54.4 mph
Answer:
same here
Step-by-step explanation:
ive contacted brainly and I haven't gotten a response yet
Answer:
NOT a function
Step-by-step explanation:
a function exists when every unique x input has a unique y output.
here every x less than 0 has two y values.
I'm pretty sure it's A. 7+x+4y, but I could be wrong.
Answer:
4x/x^-5x^3
Step-by-step explanation:
^ represents the exponent
