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FrozenT [24]
3 years ago
10

First good answer will be brainiest

Mathematics
1 answer:
ELEN [110]3 years ago
6 0
This looks like I will actually need to use my brain I pass
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A. 86<br> B. 111<br> C. 69<br> D. 71
dangina [55]
All the angles of a triangle add up to 180 degrees. 

30+39+<4= 180

69+<4= 180

Subtract 69 on both sides. 

<4= 111 degrees

<1 and <4 are supplementary and adjacent. They equal 180 degrees as well.

111+<1= 180

<1= 69 degrees

I hope this helps!
<em>~kaikers</em>
8 0
4 years ago
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PLEASE HELPPPPPP<br> 30 POINTS ILL GIVE BRAINLYEST
sdas [7]

Answer:  the answer is C

Step-by-step explanation:

7.2 x 6=43.2 cm^2

(2.8+7.2) x 4 /2 = 20 cm^2

20+43.2=63.2 cm^2

6 0
3 years ago
What is the solution to the equation
Colt1911 [192]

Answer:

x = \frac{2}{3}

Step-by-step explanation:

Given

- \frac{5}{4} x + \frac{2}{5} = - \frac{13}{30}

Multiply through by 60 ( the lcm of 4, 5 and 30) to clear the fractions

- 75x + 24 = - 26 ( subtract 24 from both sides )

- 75x = - 50 ( divide both sides by - 75 )

x = \frac{-50}{-75} = \frac{2}{3}

6 0
3 years ago
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Which graph represents inequality y &lt;2x+3
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The answer is G, luv
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Find the LCM of 2 and 21
Alexus [3.1K]
The answer is 10 because it had
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