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SVETLANKA909090 [29]
2 years ago
8

NEED HELP ASAP !! - Which of the following would be a line of reflection that would map ABCD onto itself?

Mathematics
1 answer:
dexar [7]2 years ago
7 0

its ez

Step-by-step explanation:

do 2x × -x and you will have the answer

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Please answer number 8 for me?? Im so confused on how to do it.
rjkz [21]

Answer:

A. )3(-3) - 2 = -11

B.) 3(1) - 2 = 1

C.) 3(5) - 2 = 13

  • Y = -11
  • Y = 1
  • Y = 13

Domain: -3, 1, 5

Range: -11, 1, 15

Input: -3, 1, 5

Output: -11, 1, 13

Function: Yes

Linear: Yes

{ (-3, -11) (1, 1) (5, 13) }

Step-by-step explanation:

A.)  

  1. 3x - 2
  2. 3(-3) - 2                              [3 x -3 = -9]
  3. -9 -2 = -11

B.)

  1. 3(1) - 2                                 [3 x 1 = 3 Duh]
  2. 3 - 2 = 1

C.)

  1. 3(5) - 2                             [3x5 = 15]

    2. 15 - 2 = 13

5 0
3 years ago
7(5t - 4) – (2 +15t) < 60
krek1111 [17]

Answer: the answer is 3

Step-by-step explanation: put 3 where t's are

6 0
4 years ago
Read 2 more answers
A region R in the xy-plane is given. Find equations for a transformation T that maps a rectangular region S in the uv-plane onto
Gre4nikov [31]
\begin{cases}y=2x-2\\y=2x+2\end{cases}\implies\begin{cases}-2x+y=-2\\-2x+y=2\end{cases}

For these lines, let u=-2x+y.

\begin{cases}y=2-x\\y=4-x\end{cases}\implies\begin{cases}x+y=2\\x+y=4\end{cases}

And for these, let v=x+y.

Now,

\begin{cases}u=-2x+y\\v=x+y\end{cases}\implies \begin{bmatrix}u\\v\end{bmatrix}=\underbrace{\begin{bmatrix}-2&1\\1&1\end{bmatrix}}_{\mathbf T}\begin{bmatrix}x\\y\end{bmatrix}

The vertices of S in the x-y plane are (0, 2), (2/3, 10/3), (2, 2), and (4/3, 2/3). Applying \mathbf T to each of these yields, respectively, (2, 2), (2, 4), (-2, 4), and (-2, 2), which are the vertices of a rectangle whose sides are parallel to the u-v plane.
6 0
3 years ago
Which faces of a rectangular prism always have the same area?
Pani-rosa [81]

Answer:

A rectangular prism has six faces, commonly referred to as the base, top and four sides. The base and top always have the same area as do pairs of opposite sides

Step-by-step explanation:

4 0
2 years ago
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Rewrite y = 2(x - 3)2 + 8 in standard form.
suter [353]

Answer:

(2- V) 3 + 8

..

3 0
3 years ago
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