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zubka84 [21]
3 years ago
8

At 9.00 AM, two trains are 715 miles apart traveling toward each other on parallel tracks. If one train is traveling at a rate t

hat is 10 miles per hour faster than the other train and they meet after 5.5 hours, how fast is each train traveling?
Mathematics
1 answer:
prisoha [69]3 years ago
3 0
One train will be travelling at 60 mph, and the other train will be travelling at 70 mph. 70 * 5.5 = 385, 60 * 5.5 = 330. 330 + 385 = 715
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For which independent value do the equations generate the same dependent value? y1=6x-16 , y2=3x-10
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The question asks which x-value gives the same y-value for both equations, so if you need the ys to be equal, you can set both equations equal to each other, giving you 6x-16=3x-10. Now, solve for x. 6x-16=3x-10, subtract 3x and add 16, 3x=6, divide 3, x=2. Your answer is x=2.
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For what value of the constant c does the above equation have x = 2 as the only solution?
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The answer is A, -41.
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3 years ago
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lesya692 [45]
The answer should be 2d-20.

Need an explanation?
8 0
3 years ago
2 Points
lidiya [134]

"An angle that forms a linear pair with one of the interior angle the triangle" is the best definition of an exterior angle of a triangle.

<u>Option: C</u>

<u>Explanation:</u>

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The Triangle outer angle theorem for more about is if at each vertex the equivalent angle is drawn, the outer angles always add up to 360°. In reality, this is valid for any convex polygon, not just triangles.

In the most easiest pattern , since any angle of triangle equivalent is 60′, the outer angle would be 120′. Therefore all exterior angles sum is:

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4 0
3 years ago
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