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irina [24]
3 years ago
11

Which system of equations has only one solution?

Mathematics
2 answers:
Genrish500 [490]3 years ago
6 0

Answer:

  D) 2X + 4Y = 6

       3X - 4Y =9

Step-by-step explanation:

Adding the equations can be informative. The sums are ...

  A) 0 = 11 . . . . . no solution

  B) 0 = 0 . . . . . infinite solutions

  C) 0 = 2 . . . . . no solution

  D) 5X = 15 . . . one solution (x, y) = (3, 0)

VladimirAG [237]3 years ago
3 0

Answer:

The answer is D

Step-by-step explanation:

Here is proof:

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Name a pair of corresponding angles
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<h3>Corresponding angles = angle 1 and angle 5</h3>

They are on the same side of the transversal cut (both to the left of the transversal) and they are both above the two black lines. It might help to make those two black lines to be parallel, though this is optional.

Other pairs of corresponding angles could be:

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=======================================================

<h3>Alternate interior angles = angle 3 and angle 5</h3>

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<h3>Alternate exterior angles = angle 1 and angle 7</h3>

Similar to alternate interior angles, but now we're outside the black lines. The other pair of alternate exterior angles is angle 2 and angle 8

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<h3>Same-side interior angles = angle 3 and angle 6</h3>

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3 years ago
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Step-by-step explanation:

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