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Lady_Fox [76]
3 years ago
12

Help me solve -8 + 5 (g+2) - 2

Mathematics
2 answers:
Feliz [49]3 years ago
7 0

Answer:

5g

Step-by-step explanation:

use distributive prop

= -8+5g+10-2

= 5g+2-2

= 5g

goldenfox [79]3 years ago
4 0

- 8 + 5 (g+2) - 2

mutiply the bracket by 5

(5)(g)= 5g

(5)(2)= 10

-8+5g+10-2

-8+10-2+5g ( combine )

2-2+5g

0+5g

Answer:

5g

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After triangle ACE is dilated by a factor of 6, it has an area of 180 square inches. What was its area before dilation?
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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
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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

6x/6 = 180/6

x = 30 square inches.

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

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