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Flauer [41]
3 years ago
7

28-(3x+4)=2(x+6)+x How would you solve this??? Please add step by step explanation

Mathematics
1 answer:
enot [183]3 years ago
7 0

Answer:

x = 2

Step-by-step explanation:

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Each element is 2/3 times the previous one, so that's a geometric sequence.

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Answer: 6, 4, 8/3, 16/9, 32/27

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domain is inputs (normally x or first number)
range is outputs from the given domain (normally y or second number)

domain is just all the first numbers
range is all the second numbers
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AlexFokin [52]

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3 years ago
After triangle ACE is dilated by a factor of 6, it has an area of 180 square inches. What was its area before dilation?
Agata [3.3K]

Answer:

The area of triangle ACE before dilation is:  30 square inches

Step-by-step explanation:

We know that when an object is dilated by a scale factor, it gets reduced, stretched, or remains the same, depending upon the value of the scale factor.

  • If the scale factor > 1, the image is enlarged
  • If the scale factor is between 0 and 1, it gets shrunk
  • If the scale factor = 1, the object and the image are congruent

The length of the image can be determined by multiplying the length of the original point by a certain scale factor.

Given that after triangle ACE is dilated by a factor of 6, it has an area of 180 square inches.

Thus, it means the dilated area is 6 times the area before dilation.

Let x be the pre-dilation area

As the dilated area is 6 times the area before dilation, so

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divide both sides by 6

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x = 30 square inches.

Therefore, the area of triangle ACE before dilation is:  30 square inches

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Step-by-step explanation:

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