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love history [14]
3 years ago
14

What’s the solution to this equation 2x+3=x-4

Mathematics
1 answer:
Illusion [34]3 years ago
3 0

Answer:

-7

Step-by-step explanation:

1. move the x to one side, (2x -1x)

2. new excuation is 1x+3=-4

3. minus 3 from each side (-4 - 3=-7)

4. -7÷1x= -7

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8 9/10-1 1/5 please answer soon
Paul [167]

Answer: 7 7/10

Step-by-step explanation:

First you have to multiply 1 1/5 by two so that you could subtract it from 8 9/10. Once you do that that’s when you get 7 7/10.

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2 years ago
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Find the percent of change and describe it as an increase or decrease. If necessary, round to the nearest tenth.
Zanzabum
B 25%percent increase is the answer
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3 years ago
Describe a sequence of transformations that can be performed to polygon ABCDE to prove that it is similar to polygon FGHIJ
maxonik [38]

Answer:

answer below

Step-by-step explanation:

ABCDE go through dilation over center (6 , -2) with factor of 1/2 to FGHIJ

AB // FG slope: -2 , √20:√5 = 2: 1

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8 0
2 years ago
Which rule yields the dilation of the figure KLMN centered at the origin?
IrinaK [193]

Answer:

The rule of dilation centered at the origin is (x , y) → (2x , 2y) ⇒ answer A

Step-by-step explanation:

* Lets talk about dilation

- A dilation is a transformation that changes the size of a figure.  

- It can become larger or smaller, but the shape of the

 figure does not change.  

- The scale factor, measures how much larger or smaller  

 the image will be

- If the scale factor greater than 1, then the image will be larger

- If the scale factor between 0 and 1, then the image will be smaller

- The dilation rule for any point (x , y) is (kx , ky), where k is the

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* Now lets solve the problem

- The figure KLMN has for vertices:

  K (3 , -3) , L (3 , 4) , M (5 , 4) , N (5 , -3) ⇒ (1)

- The image K'L'M'N' of figure KLMN after dilation about the origin

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- From (1) and (2)

# (3 , -3) ⇒ (6 , -6)

# (3 , 4) ⇒ (6 , 8)

# (5 , 4) ⇒ (10 , 8)

# (5 , -3) ⇒ (10 , -6)

- Each point in KLMN multiplied by 2

∴ The scale of dilation is 2

∴ The rule of dilation centered at the origin is (x , y) → (2x , 2y)

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Step-by-step explanation:

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