Answer:
tons needed to unload a freight train= 21×2.5 =52.5
number of 3.5-ton payload trucks needed to unload a freight train=52.5÷3.5 = 15
15 Trucks , Each With A 3.5-Ton Payloaf , Would be Needed To Do The Same Job.
Answer:
never
Step-by-step explanation:
smith will run out by week 2
Answer:
350 feet per minute
Step-by-step explanation:
The amount of time it took the plane to descend is 3 hours 14 minutes minus 1 hour 30 minutes.
This means it took 104 minutes for the plane to descend 36,400 feet.
Dividing 36400 by 104, you get 350 which is the average rate of descent in feet per minute.
Answer:
True
Step-by-step explanation:
That expression is called the "Quadratic formula" and basically the solution to any second degree equation can be find by using the quadratic formula.
Attached you can find the procedure to get to the quadratic formula from the general equation of a second degree polynomial.