Answer:
The maglev train can reach a top speed of 431 km/h (268 mph).
Step-by-step explanation
Answer:
Length and the width of the rectangle is 15.5 inches and 8.5 inches respectively.
Step-by-step explanation:
Given:
Length = 7 inches + Width
=> P = 48 inches
=> L = (7 + W) inches............. (1)
Perimeter 'P' is the sum of all sides of the rectangle 2 (L + W)
∴ 48 inches = 2 (L + W) .................(2)
Substitute for L in equation (2)
∴ 48 inches = 2 [(7 + W) + W]
48 = 2[7 + 2W]
48 = 14 +4W
48 - 14 = 4W
34 = 4W
W = 8.5 inches
Recall that: Length, L = (7 + W)
∴ L = (7 + 8.5)
L = 15.5 inches
Answer:
![15+m^{6}](https://tex.z-dn.net/?f=15%2Bm%5E%7B6%7D)
Step-by-step explanation:
![8m^{2} +3m+m^{3}+4\\8+4+3+m^{3} +m^{2} +m\\8+4+3+m^{6} \\15+m^{6}](https://tex.z-dn.net/?f=8m%5E%7B2%7D%20%2B3m%2Bm%5E%7B3%7D%2B4%5C%5C8%2B4%2B3%2Bm%5E%7B3%7D%20%2Bm%5E%7B2%7D%20%2Bm%5C%5C8%2B4%2B3%2Bm%5E%7B6%7D%20%5C%5C15%2Bm%5E%7B6%7D)