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Len [333]
3 years ago
11

K(1,0), L(4,1), M(1,4), N(-2, 3) 90% counterclockwise rotation

Mathematics
1 answer:
docker41 [41]3 years ago
5 0

Answer:

K (0,1)

L (-1,4)

M (-4,1)

N (-3,-2)

Step-by-step explanation:

When you rotate a figure 90 degrees counterclockwise about the origin, the points all change from (x,y) to (-y,x). Therefore the points would go from: (answers on right side)

K (1,0) ---> K (0,1)

L (4,1) ---> L (-1,4)

M (1,4) ---> M (-4,1)

N (-2,3) ---> N (-3,-2)

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-12x + 18y = 21<br>(6x -9 = -9​
Leokris [45]

Answer:

x = 0 , y = 7/6

Step-by-step explanation:

Solve the following system:

{18 y - 12 x = 21

6 x - 9 = -9

In the second equation, look to solve for x:

{18 y - 12 x = 21

6 x - 9 = -9

Add 9 to both sides:

{18 y - 12 x = 21

6 x = 0

Divide both sides by 6:

{18 y - 12 x = 21

x = 0

Substitute x = 0 into the first equation:

{18 y = 21

x = 0

In the first equation, look to solve for y:

{18 y = 21

x = 0

Divide both sides by 18:

{y = 7/6

x = 0

Collect results in alphabetical order:

Answer: {x = 0 , y = 7/6

4 0
3 years ago
What does it mean when two functions are inverse of each other?
mariarad [96]
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4 0
3 years ago
What is 1.8-9.0 = help me plz
Andrews [41]
The answer is -7.2 and -36/5 hope this helps
3 0
3 years ago
Read 2 more answers
3. (x,y) → (x + 2,y) → (x, y)
Llana [10]

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4 0
2 years ago
X * 4 = x + 1.5 = help plzzzzzz!
Leona [35]

Answer:

5

Step-by-step explanation:

x × 4 = x + 15

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-- --

3 3

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// have a great day //

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2 years ago
Read 2 more answers
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