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djverab [1.8K]
3 years ago
10

–2x2 – 12x – 9 = 0 PLS HELP I DO NOT WANT TO FAIL I WILL GIVE BRAINLIEST

Mathematics
1 answer:
Pie3 years ago
4 0
The right answer is -13/12.
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Pls help me asap....thanks in advanve
Serhud [2]
You would at the distances together, since 120 is above sea level and 39 is below. To find the whole vertical distance (the distance they are apart), just add the values (numbers) together. 

120+39=159

159=the-distance

I hope this helps!
~kaikers
4 0
4 years ago
Read 2 more answers
2(4x + 1) - 3(5x - 1)<br> expand and simplify
Temka [501]

Answer:
-7x + 5

Step-by-step explanation:

2(4x + 1) - 3(5x - 1)

8x + 2 - 3(5x-1)
8x + 2 - 15x + 3
8x + 5 - 15x
-7x + 5

Hope it helped !
Adriel

6 0
2 years ago
Tell whether the angles are adjacent or vertical. Then find the value of $x$ .
boyakko [2]

Answer:

they are adjacent angles

Step-by-step explanation:

for adjacent angles

{(x + 3)}^{o}  =  {84}^{0}  \\ x = 84 - 3 \\ x = 81

7 0
2 years ago
Solve the equation?<br><br> 13 +w/7 = –18 ...?
Degger [83]
The equation given in the question is

13 + (w/7) = - 18
(91 + w) / 7 = - 18
91 + w = - 126
w = - 126 - 91
    = - 217

I hope that the procedure is clear enough for you to understand. I also hope that this is the answer that you were looking for and the answer has actually come to your desired help.
3 0
3 years ago
Read 2 more answers
Write an expression for the perimeter of the triangle shown below
Luba_88 [7]

Answer:

P = 5.5x + 9

Step-by-step explanation:

P = 5x + (0.3x + 24) + (0.2x - 15)

reduced

P = 5.5x + 9

7 0
3 years ago
Read 2 more answers
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