The maximum speed of China’s CRH380A train is 4.873 × 102

1 answer:

7 0

Answer:

The maglev train can reach a top speed of 431 km/h (268 mph).

Step-by-step explanation

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Svet_ta [14]

Here, triangle AEN and ALG are similar.

We know that the ratio of corresponding sides of two similar triangles are equal. So,

$\frac{21}{42} =\frac{2x-9}{(2x-9)+(x+7)}\\\\\frac{1}{2} =\frac{2x-9}{3x-2}\\\\ 3x-2=4x-18\\\\-2+18=4x-3x\\\\16=x\\\\x=16\\$

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3 years ago

guapka [62]

3/5+3/5+3/5=9/5=1 4/5

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3 years ago

Serggg [28]

Answer:

the answer for question 1 is -7

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3 years ago

fredd [130]

Answer:

It's definitely C

Step-by-step explanation:

it's c for sure

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2 years ago

Flauer [41]

Answer:

Thanks

Step-by-step explanation:

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3 years ago