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Valentin [98]
3 years ago
13

Determine the angle of rotation.

Mathematics
1 answer:
Vsevolod [243]3 years ago
5 0

Answer:

45 degrees

It is clockwise so it cannot be negative.

15 degrees is too small.

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A parallelogram has coordinates A(1, 1), B(5, 4), C(7, 1), and D(3, -2). What are the coordinates of parallelogram A′B′C′D′ afte
saul85 [17]

Hey there! I'm happy to help!

First, we need to rotate our points 180° about the origin. To find the coordinates after such a rotation, we simply find the negative version of each number in the ordered pair, which can be written as (x,y)⇒(-x,-y).

Let's convert this below

A: (1,1)⇒(-1,-1)

B: (5,4)⇒(-5,-4)

C: (7,1)⇒(-7,-1)

D: (3,-2)⇒(-3,2)

Now, we need to translate these new points five units to the right and one unit down. This means we will add 5 to our x-value and subtract 1 from our y-value. This will look like (x,y)⇒(x+5,y-1). Let's do this below.

A: (-1,-1)⇒(4,-2)

B: (-5,-4)⇒(0,-5)

C: (-7,-1)⇒(-2,-2)

D: (-3,2)⇒(2,1)

Therefore, this new parallelogram has coordinates of A'(4,-2), B'(0,-5), C'(-2,-2), and D'(2,1)

Now you know how to find the coordinates of translated figures! Have a wonderful day! :D

5 0
3 years ago
What is equivalent to 1/2 (6x + 12 + 3)? Is it A. 18x + 36 - 9 B. 2x + 4 - 1 C. 2x + 12 - 3 D. 18x + 12 - 3
Kobotan [32]
Answer choice A is correct
6 0
3 years ago
|6m–54|, if m&lt;9 please help<br> write as an expression without absolute value sign
Serhud [2]

Answer:

6(m) - 54

Step-by-step explanation:

Since m < 9, you can substitute any number less than 9 to be m.

If this answer is correct, please make me Brainliest!

7 0
3 years ago
To prepare a batch of cookies a factory uses 4/5 barrels of oatmeal in each batch. The factory used 4 4/5 barrels of oatmeal on
babymother [125]

Answer:

Step-by-step explanation:

4 4/5= 24/5  24/5\4/5=6/5= 1/15

6 0
4 years ago
What is the solution to this system of equations?
Anit [1.1K]

Answer:

the correct answer is b (4,2)

7 0
3 years ago
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