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pogonyaev
2 years ago
7

Help an someone help​

Mathematics
2 answers:
lianna [129]2 years ago
8 0
It’s blurry I can barely see it.
nasty-shy [4]2 years ago
6 0
The answer you’re looking for is 8
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Identify a sequence of transformations that maps triangle ABC onto triangle A"B"C" in the image below.
Murljashka [212]

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.

4 0
3 years ago
Read 2 more answers
1) In a soccer game, the Eagles scored 7 points more than the Cougars. If the Cougars had scored 3 times as many
ira [324]

Answer:

the cougars scored 1 point and the eagles scored 8 points

Step-by-step explanation:

if the cougars would have scored 3 times more points they would have been at which means they scored 1 point because 1x3=3. and if the eagles scores 7 more points than the cougars they would have scored 8 points because 1+7=8.   :)

8 0
2 years ago
What does x equal in: 5x-2+x=9+3x+10
TiliK225 [7]
5x-2+x=9+3x+10

therefore, x = 7
6 0
3 years ago
Another 10 points if u help me :]
blagie [28]

Answer: 37

Step-by-step explanation:

4 0
2 years ago
Twenty-one students took a mathematics test. The 11th highest score on the test was a 76. Which of the
Tcecarenko [31]

Answer:

C. The median of the test scores was 76

Step-by-step explanation:

The median is the middle value. In 21 values, the 11th value is the middle value, so it must be the median.

Answer: C. The median of the test scores was 76

3 0
2 years ago
Read 2 more answers
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