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ELEN [110]
2 years ago
11

The vertices of a triangle are P(-4,-3), Q(-2,3), and R(7,3). Name the vertices of the image reflected across the line y = x. *

Your answer ansler​
Mathematics
1 answer:
Elden [556K]2 years ago
3 0

Answer:

see explanation

Step-by-step explanation:

Under a reflection in the line y = x

a point (x, y ) → (y, x ) , then

P (- 4, - 3 ) → P' (- 3, - 4 )

Q (- 2, 3 ) → Q' (3, - 2 )

R (7, 3 ) → R' (3, 7 )

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Pictures are in order of the questions
olasank [31]

Problem 1

<h3>Answer: choice B) They are supplementary angles</h3>

--------------

Explanation:

The two angles combine to form a straight angle (which is 180 degrees). Another term for these angles is "linear pair" since they form a straight line.

=================================================

Problem 2

<h3>Answer: choice B) x = 7</h3>

--------------

Explanation:

The diagonal is never used in this problem. For any rhombus, the four exterior sides are always the same length.

=================================================

Problem 3

<h3>Answer: Choice D) 62 degrees</h3>

----------------

Explanation:

We use the angle addition postulate. This allows us to combine angles BAC and CAD to form angle BAD.

(angle BAC)+(angle CAD) = angle BAD

30 + x = 92

x = 92-30

x = 62

angle CAD = 62

4 0
3 years ago
Danielle has taken five math tests so far this year. The tests are out of twenty points, and she has gotten the following scores
dusya [7]
14, 16, 17, 19, 20
17 is the middle one so the answer is 17
 
Hope this helps :)

6 0
2 years ago
Read 2 more answers
Jerry's geometry teacher drew a triangle with angles that measured 120°, 34°, and 26°. What can Jerry classify the triangle as?
fgiga [73]

Answer:

b.obtuse

Step-by-step explanation:

if it is obtuse it has 1 angle over 90° and two angles under 90°

8 0
3 years ago
Read 2 more answers
Solve the following quadratic function
Leya [2.2K]

Answer:

x = ± 10

Step-by-step explanation:

to solve the equation let y = 0 , that is

100 - x² = 0 ( add x² to both sides )

100 = x² ( take square root of both sides )

± \sqrt{100} = x , that is

x = ± 10

8 0
2 years ago
What’s 2+2x 234+47382939593939
Illusion [34]
2+2*234+473829359593939=473829359594409
idk why I answered this
7 0
3 years ago
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