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Svetlanka [38]
2 years ago
10

What is the area of a quadrilateral with vertices at 6,1 12,1 6,3 12,3

Mathematics
1 answer:
Firdavs [7]2 years ago
5 0

Answer:

  • 12 sq. units

Step-by-step explanation:

We can see two pairs with same x- or y- coordinates. It means this is a rectangle.

<u>It has sides:</u>

  • 12 - 6 = 6 units and
  • 3 - 1 = 2 units

<u>The area is:</u>

  • 6*2 = 12 sq. units
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Hi!

y=-5x+95

<em>Plug in </em>15 for x

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y =15

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Betty's percentage is 15%.

The rate of change is the amount it changes for every missing assignment, therefore it would be -5.

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2 years ago
Please help me with 3.2 ​
Lady_Fox [76]

The measure of the angle ∠PQR is 90 degrees

<h3>How to prove that ∠PQR is 90 degrees?</h3>

The equation of the line PQ is given as:

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The slope of the above line is

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Next, we calculate the slope (m2) of points Q and R.

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This means the lines PQ and QR are perpendicular lines.

The angle at the point of perpendicularity is 90 degrees

Hence, the measure of the angle ∠PQR is 90 degrees

Read more about linear equations at:

brainly.com/question/15602982

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Step-by-step explanation:

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