W+2 the answer is this because u figure out the factor of W
The Given equation is , 3 x + x = 440,
Let speed of train A is x Km/hour and Speed of train B which is a Bullet train which starts from same station but from different platform is 3 times the speed of train A.
And Sum of their Velocities is i.e Velocity of train A and Velocity of train B is 440 Km/hour.
Answer:
Step-by-step explanation:
The answer is x=-4 the work is shown on the pic
Answer:
The difference in the areas of the cross-sections is 20 m².
Step-by-step explanation:
^^^