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Paul [167]
2 years ago
14

Which of the following represents y > 2x - 3?

Mathematics
1 answer:
Oksanka [162]2 years ago
7 0

Answer: Choice A

The two characteristics here are:

  1. The boundary line is a dashed line. This visually indicates to the reader "points on the boundary do NOT count as solutions". Think of the boundary as an electric fence you cannot touch, but can get closer and closer to. We aren't including boundary points directly because of the lack of "or equal to".
  2. The shading is above the boundary, due to the "greater than" sign. This only works if we have y isolated.

The graph of choice B is y \le 2x-3 since we have a solid line and shading below the solid line. This time points on the boundary are part of the solution set.

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Answer:

The x-coordinate of the solution to this system of equations is 3

Step-by-step explanation:

Given the system of equations:

x+y = 3                          ....[1]

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Add equation [1] and [2] we have;

x+y+2x-y = 9

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Solution for the given system of equation is= (3, 0)

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8 0
3 years ago
Benny was told to practice playing piano for 4/11 of an hour per day. Benny has already played 3/14 of an hour today. How many h
alekssr [168]
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Given facts - Amount he has to play, and the amount he played.
Question - For how long does he need to practice to meet the required time.
Hidden question - There is nothing hidden
Operations used -  divisions (not necessary), subtractions and conversion (only if used division).
Number sentence - 4/11 - 3/14 = x
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Hope it helped,

Happy homework/ study/ exam!





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