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iren [92.7K]
2 years ago
7

If the ph of a solution is decreased from 10 to 8, it means that the.

SAT
1 answer:
ElenaW [278]2 years ago
7 0

Answer:

The solution is more acidic and is closer to become neutral.

Explanation:

Acidic level: 0 - 6

Neutral: 7

Alkaline level: 8 - 14

From this, we can see that the given solution went from a higher alkaline concentration level to a lower one.

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What is the area of the rectangle shown on the coordinate plane? enter your answer in the box. Do not round at any steps. Units²
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The area of this rectangle is 42 units.

<h3>What is the area of a polygon?</h3>

The area of a polygon refers to the total surface a polygon covers. This can include the total surface of a triangle, rectangle, octagon, etc.

<h3>How to calculate the area?</h3>

There are specific formulas to calculate the area of different polygons. In the case of rectangles the general formula is:

  • A = length x width

Moreover, because there are diagonal lines, you need to use this formula to calculate the distance of the length and width.

  • √[(x2-x1)²+(y2-y1)²

Length:

(5,2) (12 ,-5) coordinates in the plane for the upper length

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  • √(-7)²+(7)²
  • √49 + 49
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Width:

(2, -1) (5, 2) coordinates in the plane

  • √(2-5)²+(-1- 2)²
  • √(-3)²+(3)²
  • √9 + 9
  • √18
  • 4.24

4.24 x 9.89 = 41.9, which can be rounded as 42 units.

Note: This question is incomplete; below I attach the missing section.

Learn more about polygon in: brainly.com/question/2511126

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