Two trains leave a station on different tracks. the tracks make an angle of 130°, with the station as a vertex. the first train travels 100 km and makes its first stop at point a, while the second train travels 200 km and makes it first stop at point b. how far apart are the trains when both are at their first stop? round the answer to the nearest integer.

The first train, let’s call this train A, covers a distance of 100 km. dA = 100 km

The second train, train B, covers a distance of 200 km. dB = 200 km

The Law of Cosine states that:

c^2 = a^2 + b^2 – 2abcos ø

Where a = dA , b = dB, and ø = 130° angle between them

c^2 = 100^2 + 200^2 – 2(100)(200)cos130

Using the calculator:

c^2 = 64691.65

c = 254. 35 km            rounding off:

c = 254 km

Therefore the 2 trains are 254 km apart after their 1st stop.

in the attachment.   i didn't see your choices.   the word which means there is choices.

step-by-step explanation:

(x,y)

x tells you how much left or right you go from the origin

y tells you how much down or up you go from the origin

so for example (-3,2), you go left 3 and up twice. i denoted which of the ordered pairs is which in my graph.

a) 0

step-by-step explanation:

i^413 x i^0 = 0 as any number multiplied by a zero is

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