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ohaa [14]
3 years ago
12

Identify a sequence of transformations that maps triangle ABC onto triangle A"B"C" in the image below.

Mathematics
2 answers:
My name is Ann [436]3 years ago
8 0
The A"B"C" is the red triangle.  What happened is it was a 90 degree rotation around the 0, then an enlargement.  The correct answer is D.  

Hope I helped.  
Murljashka [212]3 years ago
4 0

Answer:

The correct option is B.

Step-by-step explanation:

It is given that triangle A"B"C" is the image of triangle ABC after transformation.

From the given figure it is noticed that the point C lies on positive y-axis and point C" lies on negative x-axis.

It means the figure is rotated either counterclockwise 90° or clockwise 270°. The rotation rule is

(x,y)\rightarrow (-y,x)

The corresponding sides of image A"B"C" are smaller than the preimage ABC.  

k=\frac{A"B"}{AB}=\frac{3}{6}=\frac{1}{2}

Since k<0, therefore the transformation shows the reduction. The dilation rule is

(x,y)\rightarrow (-\frac{1}{2}y,\frac{1}{2}x)

A(-3,0)\rightarrow (-\frac{1}{2}(0),\frac{1}{2}(-3))\rightarrow (0,-1.5)

B(3,0)\rightarrow (-\frac{1}{2}(0),\frac{1}{2}(3))\rightarrow (0,1.5)

C(0,5.2)\rightarrow (-\frac{1}{2}(5.2),\frac{1}{2}(0))\rightarrow (-2.6,0)

Option B is correct.

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luda_lava [24]

Answer:

(x+4)^2  Choice A

Step-by-step explanation:

x^2 + 8x + 16

what 2 numbers multiply together to give you 16 and add together to give you 8

1*16 = 16   1+16 = 17  no

2*8 = 16   2+8 = 10  no

4*4 = 16  4+4 = 8  yes


(x+4) (x+4)

(x+4)^2

8 0
3 years ago
How many minutes are there in<br> 5/8 of 3 hours
diamong [38]
112.5 minutes

Since there are 60 minutes in 1 hour so multiply that by 3 and you get 180 minutes
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22.5✖️5= 112.5 minutes

Hope this helps! :3
8 0
3 years ago
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Lisa has a recipe that needs 3 fourths of a teaspoon of butter for every 3 cups of milk. If Lisa increases the amount of milk to
vfiekz [6]
1.25 teaspoon of butter per 5 cups of milk
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6 0
4 years ago
Chords AC and BD intersect at the center of circle ABCD. If the length of CP = 8, which is the length of PB?
worty [1.4K]
Given that the chords intersect at the center, you conclude that they both are diameters.

Now, you have that the point p is the intersection point, so it is the center of the circle.

Then, the length of CP is the radius of the circle, and also the lenght of PB is the radius.

So, the length of CP is equal to the length of PB, and it is 8.

Answer: 8.
4 0
3 years ago
Determine the unknown angle measures in the figure
dusya [7]

Answer:

angle 3- 131

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6 0
3 years ago
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