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tigry1 [53]
3 years ago
10

What's the perimeter of rectangle DEFG, shown? O A) 28 B) 34 C) 40 OD) 17

Mathematics
1 answer:
cluponka [151]3 years ago
8 0
Where is the rectangle
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Please find the value of x
Margarita [4]

Answer:

x=5

Step-by-step explanation:

The sum of the angles of a triangle are 180 degrees

The box is a right angle which is 90 degrees

60+6x+90 = 180

Combine like terms

150+6x= 180

Subtract 150 from each side

150-150+6x = 180-150

6x = 30

Divide by 6

6x/6 =30/6

x = 5

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3 years ago
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X + 2/3 = 2x - 4/2
2/3 + 4/2 = 2x - x
2 + 2/3 = x
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I hope this helps!
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3 years ago
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Step-by-step explanation:

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3 years ago
Given the polynomial bellow which statement is true?
lions [1.4K]

Answer:

I think its A

Step-by-step explanation:

I factored the polynomial and its factors turned out to be (x-1)(x^2-2x-4), which eliminated the possibilities of 2 and 3. Then i replaced the (-1) in the place of the x and it turned out to be equal to 2, making the first statement true.

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