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masya89 [10]
3 years ago
8

How do you solve this problem step by step? 3(x+1)+6=-9

Mathematics
2 answers:
OLEGan [10]3 years ago
7 0

Answer:

X= -7

Step-by-step explanation:

see photo for how I did it

Step2247 [10]3 years ago
4 0

Answer:

distribute the 3 and the x then add 1 after you do that put 3x + 3 then bring down the +6 = -9

Step-by-step explanation:

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Sedaia [141]

Answer:

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7 0
3 years ago
Two angles are supplementary. One angle measures 2x, and the other angle measures 3x - 15. Which equation can you use to find th
Salsk061 [2.6K]

<u>Statement:</u>

Two angles are supplementary. One angle measures 2x, and the other angle measures 3x - 15.

<u>To </u><u>find </u><u>out:</u>

The equation to find the measure of each angle.

<u>Solution</u><u>:</u>

  • Supplementary angles are angles which sum up to 180°.
  • While, complementary angles are angles which sum up to 90°.
  • Here, the sum of the two angles, i.e., 2x and 3x - 15, should be 180°.
  • So, the equation will be: 2x + 3x - 15 = 180°.

<u>Answer:</u>

2x + 3x - 15 = 180°

Hope you could understand.

If you have any query, feel free to ask.

6 0
3 years ago
Given that cos(θ) = -1/5 and 180° &lt;θ&lt;270°,
aniked [119]
Angle is 258.463 degrees
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3 years ago
Help me PLEASEEEEEEEEEEEEE
Alex787 [66]

Answer:

4.0.

Step-by-step explanation:

In sample 1, you do 0.65/1.3 which gets you to 0.5, so then you do the same to the bottom which you also have to divide by 1.3, and 5.2/1.3 is 4.0 or 4.

6 0
3 years ago
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jolli1 [7]
72.50 is rounded and the answer to this question
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