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sertanlavr [38]
3 years ago
9

3(x + 1) + 12 3 I DONT KNOW​

Mathematics
2 answers:
IgorC [24]3 years ago
8 0

Answer:

3x+15

Step-by-step explanation:

3(x+1)+12=3x+15

3x+3+12

ale4655 [162]3 years ago
8 0

Answer:

3x+3=12

Step-by-step explanation:

You do 3 times x which equals 3x and then you do 3 times 1 which is 3. so the problem is 3x+3=12, and then do 3-3, not 3x - 3. It's just 3-3, and then after that 12-3=9 9 divided by 3 is 3. x is the number that helps it go into that number

x=3.

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If the atmospheric pressure at Mangamaunu Beach is 1000 millibars and we assume the general guideline that atmospheric pressure
Mashutka [201]

Answer:

Atmospheric Pressure = 739.2 millibars

Step-by-step explanation:

To answer this question one should assume that Mangamaunu Beach is at sea level ( altitude = 0 m) and that the summit of Manakau is at 2608 meters.

The change in atmospheric pressure with altitude in the first 5 km can be roughly represented by a linear relationship with slope "m" as follows

(500-1000) = m(5000 - 0)\\m = -0.10

Giving the following equation:

(Pressure - 1000) = -0.10Height

Applying for Height = 2608 m

Pressure = -0.10(2608) + 1000\\Pressure = 739.2 millibars

4 0
3 years ago
2x² +6 = 8x<br>what are the values of x here? ​
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3 years ago
Read 2 more answers
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Neporo4naja [7]
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Sarah is saving money to buy a microscope. She has saved $25 so far. That's 1/3 of the
seropon [69]

Answer:

X = $75

Step-by-step explanation:

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4 0
3 years ago
Select the correct answer.
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Step-by-step explanation:

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