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Vladimir79 [104]
2 years ago
10

In 1/a-b - 1/b-a

Mathematics
1 answer:
Vadim26 [7]2 years ago
4 0
Idk but better then I have the same thing to call me and my friend told him I don’t want him to
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−7=y7 please help me out
Yuri [45]

Answer:

Step-by-step explanation:

y=-1

7 0
2 years ago
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Please help! Giving Brainliest for the best answer!
klasskru [66]

Answer:

  • D. A translation 1 unit to the right followed by a 270-degree counterclockwise rotation about the origin

Step-by-step explanation:

<em>See the picture for better visual</em>

Take segments ST and S'T'. If we extend them they will intersect at right angle.

It is the indication that the rotation is 90° or 270° but not 180°, when the corresponding segments come parallel.

The QRST is in the quadrant IV and Q'R'S'T' is in the quadrant III, which mean the rotation is 90° clockwise or 270° counterclockwise.

<u>This rotation rule is:</u>

  • (x, y) → (y, -x)

We also see the points S and T have x-coordinate of 5 but their images have y-coordinates of -6. It means the translation to the right by 1 unit was the step before rotation.

<u>We now can conclude the correct choice is D:</u>

  • A translation 1 unit to the right followed by a 270-degree counterclockwise rotation about the origin

8 0
3 years ago
Solve for y: 2y + 3 =11<br><br>Solve for x:<br>2/3x = 18​
laiz [17]

Answer: y=4 x=27

Step-by-step explanation: 2y+3=11

-3 -3

2y=8

/2 /2

y=4

2/3x=18

(3) (3)

2x=54

/2 /2

X=27

5 0
3 years ago
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Please answer these two questions precisely :)
GuDViN [60]
1. A)
7x= 3(35)
7x= 105
105/7= 15
Therefore x=15

2. C)

4 0
3 years ago
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What is the total cost of a compact disc that costs $13.99 plus a 4% sales tax
iren [92.7K]

If you multiply 13.99x0.04=.5596

then you added

13.99+.5596=14.5496

And this is your answer

7 0
3 years ago
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