4 years ago

URGENT! PLEASE HELP!

1 answer:

3 0

Answer:

780 miles :)

Step-by-step explanation:

Alright, so in one hour, the train goes 130 miles, right?

So, in 6 hours, the train would simply go 130 * 6 = 780 miles! :)

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MAXImum [283]

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crimeas [40]

$(*)\ (a-b)^2=a^2-2ab+b^2$

$x^2-20x=17\\\\x^2-2\cdot x\cdot10=17\ \ \ |+10^2\\\\\underbrace{x^2-2\cdot x\cdot10+10^2}_{(*)}=17+10^2\\\\(x-10)^2=117$

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3 years ago

mario62 [17]

Step-by-step explanation:

Since angles in the same segment are equal, Angle ABC (x) = Angle AOC.

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3 years ago