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user100 [1]
2 years ago
12

Slope of (4, -3) and (-1, 5)

Mathematics
1 answer:
Mumz [18]2 years ago
4 0

Answer: -\frac{8}{5}

Step-by-step explanation:

     Slope can be found with change in y over change in x.

           \displaystyle \frac{y_{2} -y_{1} }{x_{2} -x_{1} }

           \displaystyle \frac{5--3}{-1-4}

           \displaystyle \frac{5+3}{-1-4}=\frac{8}{-5}

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obtuse (anything above 90* is obtuse)

Step-by-step explanation:

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3 years ago
Which figure will tessellate the plane? A. regular pentagon B. regular decagon C. regular octagon D. regular hexagon
Harrizon [31]
<h3>Answer: D. regular hexagon</h3>

A hexagon is composed of 6 congruent equilateral triangles. Each equilateral triangle has interior angle of 60 degrees. Adding 6 such angles together gets you to 360 degrees. So we've done one full rotation and covered every bit of the plane surrounding a given point. Extend this out and you'll be able to cover the plane. A similar situation happens with rectangles as well (think of a grid, or think of tiles on the wall or floor)

In contrast, a regular pentagon has interior angle 108 degrees. This is not a factor of 360, so there is no way to place regular pentagons to have them line up and not be a gap or overlap. This is why regular pentagons do not tessellate the plane. The same can be aside about decagons and octagons as well.

5 0
3 years ago
What is the value of<br>7x2 - 10, when x = 6?<br>​
cestrela7 [59]

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7 0
3 years ago
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Ksenya-84 [330]

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2:1

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therefore,

ratio of the  number of students who want iced tea to the  number of students who want lemonade = 2:1.

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3 years ago
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