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Anni [7]
3 years ago
8

What percent of 77.5 is 28.52 ?

Mathematics
1 answer:
Fantom [35]3 years ago
8 0
I would say 36.8
But I am it sure
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Which of the following pertains to the entire group being considered ina study​
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Lydia graphed ADEF at the coordinates D (-2,-1), E (-2, 2), and F (0,0). She thinks ADEF is a right triangle. Is Lydia's asserti
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The true statement is (c) No; the slopes of segment EF and segment DF are not opposite reciprocals.

<h3>Right triangles </h3>

Right triangles have a pair of perpendicular lines

Coordinates

The coordinates are given as:

  • D = (-2,-1)
  • E = (-2,2)
  • F = (0,0)

<h3>Slopes</h3>

Start by calculating the slopes of lines DF and EF using:

m = \frac{y_2 -y_1}{x_2 -x_1}

So, we have:

m_{DF} = \frac{0 + 1}{0 +2}

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Also, we have:

m_{EF} = \frac{0 -2 }{0+2}

m_{EF} = \frac{-2 }{2}

m_{EF} = -1

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i.e.

m_1 = -\frac{1}{m_2}

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Read more about right triangles at:

brainly.com/question/17972372

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2 years ago
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