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likoan [24]
3 years ago
11

22 Points!! I NEED Help ASAP plz!!!!

Mathematics
2 answers:
Svetllana [295]3 years ago
8 0

I did it 4 times and got B everytime.

sorry if its wrong :(

Schach [20]3 years ago
5 0

Answer:

The correct option is B.

Step-by-step explanation:

The vertices of preimage are L(2,-2), M(4,-2), N(1,-3) and O(5,-3).

The vertices of image are L'(-3,-2), M'(-3,-4), N'(-4,-1) and O'(-4,-5).

The relationship between preimage and image is defined as

(x,y)\rightarrow (y-1,-x)

In option A, 90-degree counterclockwise rotation about the origin followed by a translation 1 unit to the left.

If a figure rotated 90-degree counterclockwise, then

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

Translation 1 unit to the left,

(x,y)\rightarrow (-y-1,-x)

Therefore option A is incorrect.

In option B, 270-degree counterclockwise rotation about the origin followed by a translation 1 unit to the left.

(x,y)\rightarrow (y-1,-x)

Therefore option B is correct.

In option C,  a translation 1 unit to the left followed by a 270-degree counterclockwise rotation about the origin.

(x,y)\rightarrow (y,-(x-1))

Therefore option C is incorrect.

In option D, a translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin.

(x,y)\rightarrow (-y,x-1)

Therefore option D is incorrect.

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Anika [276]
If c = 8 and d = -5:

a) c - 3 = 8 - 3
= 5

b) 15 - c = 15 - 8
= 7

c) 3(c + d) = 3(8 + (-5))
= 3*3
= 9

d) 2c - 4d = 2(8) - 4(-5)
= 16 + 20
= 36

e) d - c^2 = -5 - (8)^2
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5 0
4 years ago
Cole's Computer Company charges $50 for a service call to your home to repair your computer system, and he charges $12 per hour,
Marta_Voda [28]

Answer:

3 hours

Step-by-step explanation:

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3 years ago
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Point Q is the center of dilation. Line segment L M is dilated to created line segment L prime M prime. The length of L Q is 4 a
koban [17]

Answer:

The length of segment QM' = 6

Step-by-step explanation:

Given:

Q is the center of dilation

Pre-image (original image) = segment LM

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The length of QM = 3

The length of LL' = 4

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QM' = ?

To determine segment QM', first we would draw the diagram obtained from the given information.

Find attached the diagram

When a figure is dilated, we would have similar shape in thus cars similar triangles.

Segment L'M' = scale factor × length of LM

Let LM = x

L'M' = 2x

Using similar triangles theorem, ratio of their corresponding sides are equal.

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5 0
3 years ago
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Step-by-step explanation:

4 0
3 years ago
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Lera25 [3.4K]
Let the number of comic books be X
if we add 14 to X = 24
so we will find the value of X to get half initial number of comic books William had.
14+X=24
X=24-14
X=10
so the total innitial number of comic books William had is 10+10=20 books.
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3 years ago
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