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WARRIOR [948]
3 years ago
13

Hi Genius~ Can you help me please ? Thanks! Please show and explain your work :)

Mathematics
1 answer:
Murljashka [212]3 years ago
5 0
The translation that maps triangle ABC to A prime B prime C prime would be a reflection across the y axis. This is because when you reflect something, you are pretty much flipping it. When you reflect across the y axis, you are flipping the triangle across the y axis. Take one point for example. I will use C. Notice how the point C is 3 units away from the y axis. So the same way you would move the point 3 units right from the y axis, and that would be your new point. This sounds kind of complicated, so I will give you a list of rules to make it more simple.


Reflection across y axis: (x,y) would be equal to (-x, y)
Reflection across x axis: (x,y) would be equal to (x, -y)
Reflection across y = x: (x,y) would be equal to (y,x)
Reflection across y = x: (x,y) would be equal to (-y,-x).

A reflection across y = x would be when you have a line that for every 1 it rises, it goes right 1. It is a positive line, as opposed to the y = -x line. It also has a slope of 1. I will try attaching a graph if I can.

Anyway, as I was saying. So pretty much if you don't want to go through the logic, to see whether a figure is reflected, just try each of these rules and if one works then you have your answer. Otherwise it would not be a reflection.

Thanks for being a great mod and hope this helps! :D
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-ax+3b>5 solve for x
Dmitry [639]

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3 0
3 years ago
PLS HELP ASAP. IM TIMED
Gelneren [198K]

Answer:

9/17 = .529411...

8/45 = .17777 (the seven repeats)

17/9 = 1.8888 (the eight repeats)

16/90 = .17777 (the seven repeats)

While B and D both equal approximately 1.7. B is the simplified form, So B is the answer

Hope This Helps!         Have A Nice Day!!

4 0
3 years ago
The yearbook club had a meeting. The meeting had 24 people, which is three-fourths if the club. How many people are in the club?
Contact [7]

Answer:

18

Step-by-step explanation:

24*3/4=18

3 0
3 years ago
Given m||n, find the value of x and y.
Elina [12.6K]

Answer:

x = 18 , y = 45

Step-by-step explanation:

The angle vertically opposite 4x - 7 is congruent to it and forms a same- side interior angle with 6x + 7.

Same- side interior angles sum to 180° , then

6x + 7 + 4x - 7 = 180 , that is

10x = 180  ( divide both sides by 10 )

x = 18

Then

6x + 7 = 6(18) + 7 = 108 + 7 = 115

6x + 7 and 3y - 20 are vertically opposite angles and are congruent , so

3y - 20 = 115 ( add 20 to both sides )

3y = 135 ( divide both sides by 3 )

y = 45

4 0
2 years ago
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andrew11 [14]

Answer:

west wing ,north wing, east wing and south wing

Step-by-step explanation:

west wing = 5 4/11 =59/11 =5.3636...

north wing = 37/7 =5.25...

east wing = 5.21

south wing = 5.125

8 0
2 years ago
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