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AleksandrR [38]
2 years ago
14

Dilation: expansion or contraction of an image by a scale factor Translation: sliding of a rigid object from one location on a p

lane to another location on the plane Rotation: movement of a plane about a fixed point so that every ray on the original figure has the same angle as every corresponding ray on the image Reflection: an isometry that flips a plane about a fixed line The image of ABC is A'B'C. What transformations would result in this image? ABC is reflected over the line x = 1, then is rotated -90° around the origin. ABC is reflected over the line y = x - 1, then T: (x, y) → (x - 1, y - 1). ABC is rotated 90° around the origin, then is reflected over the y-axis. ABC is rotated -90° around the origin, then is reflected over the line y = -1.
Mathematics
1 answer:
Marina86 [1]2 years ago
3 0

ab=ab=ab 3679y

Step-by-step explanation:

after all y quo hsubeu

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It it a acute, obtuse, or Right someone plzzzz help me<br><br><br>​
Phantasy [73]

Answer:

Acute angle

Step-by-step explanation:

Obtuse are a bit slanted Right angles are Shaped like an L

5 0
2 years ago
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4.5x – 2y = 15<br> 3x - y =10<br><br> (answer as a combined pair)
prisoha [69]

Answer:

x = 10/3 , y = 0

Step-by-step explanation:

Solve the following system:

{4.5 x - 2 y = 15

3 x - y = 10

In the first equation, look to solve for x:

{4.5 x - 2 y = 15

3 x - y = 10

4.5 x - 2 y = (9 x)/2 - 2 y:

(9 x)/2 - 2 y = 15

Add 2 y to both sides:

{(9 x)/2 = 2 y + 15

3 x - y = 10

Multiply both sides by 2/9:

{x = (4 y)/9 + 10/3

3 x - y = 10

Substitute x = (4 y)/9 + 10/3 into the second equation:

{x = (4 y)/9 + 10/3

3 ((4 y)/9 + 10/3) - y = 10

3 ((4 y)/9 + 10/3) - y = ((4 y)/3 + 10) - y = y/3 + 10:

{x = (4 y)/9 + 10/3

y/3 + 10 = 10

In the second equation, look to solve for y:

{x = (4 y)/9 + 10/3

y/3 + 10 = 10

Subtract 10 from both sides:

{x = (4 y)/9 + 10/3

y/3 = 0

Multiply both sides by 3:

{x = (4 y)/9 + 10/3

y = 0

Substitute y = 0 into the first equation:

Answer:  {x = 10/3 , y = 0

7 0
2 years ago
Find the average of 2m,20cm and 95cm give your answer in cm​
stepan [7]

Answer:

The average is:

105 cm

Step-by-step explanation:

1 m = 100cm

2m = 2*100 = 200cm

then:

(200 + 20 + 95)/3 = 315/3 = 105cm

3 0
3 years ago
What is the area of this face?
BARSIC [14]

Answer:

10*4-6*2=28

Step-by-step explanation:

8 0
2 years ago
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Hyun Woo is riding a ferris wheel. H t H(t) models his height (in m m) above the ground, t t seconds after the ride starts. Here
worty [1.4K]

Answer:

<u></u>

  • <u>53 seconds.</u>

Explanation:

The text and the model are garbled.

This is the question amended:

<em />

<em>Hyun Woo is riding a ferris wheel. H(t) models his height (in m) above the ground, t seconds after the ride starts. Here, t is entered in radians.</em>

<em>H(t) = -10 cos(2π/150 t)+10</em>

<em />

<em>When does Hyun Woo first reach a height of 16 m?</em>

<em />

<h2>Solution</h2>

<em />

When <em>Hyun Woo reaches a height of 16 m</em> the <em>model </em>states:

  • <em>16 = -10 cos(2π/150 t)+10</em>

<em />

Then you must find the lowest positive value of t that is a solution of the equation.

Solve the equation:

  • <em>16 = -10 cos(2π/150 t)+10</em>

  • 10cos(2π/150 t) = - 6

  • cos(2π/150t) = -0.6

  • 2π/150t = arccos(-0.6)

  • 2π/150t = 2.214297

  • t = 52.86s ≈ 53 s ← answer
4 0
3 years ago
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