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abruzzese [7]
2 years ago
10

Solve: 2x + 1 = 3x - 2

Mathematics
2 answers:
otez555 [7]2 years ago
6 0

Answer:

x=3

Step-by-step explanation:

2x + 1 = 3x - 2

2x +3 = 3x

2x-3x= -1x

-1x = -3/-1

x=3

Gre4nikov [31]2 years ago
4 0

Answer:

           x=3

Step-by-step explanation:

Given Equation:

             2x + 1 = 3x - 2

To find the value of 'x', take the terms of 'x' to one side and the constants terms to the other side.

 On changing the side, the sign changes to opposite.            

                2x -3x = - 2-1

Solving the L.H.S and R.H.S                      

                      -x=-3\\\\x=3

The value of x is 3

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The population of Collin County, which follows the exponential growth model, increased from 491,675 in 2000 to 782,341 in 2010.
Luden [163]

Answer:

p=ak^t

p1=491272*k^0

p2=782341*k^10

782341/491272 = k^10

k=1.047629

growth rate is 4.7629%

2012: predicted population is 491272*1.047629^12=858,642 people

1245863=491272*1.047629^t

1.047629^k=2.5363599

ln both sides is k ln 1.0476=ln 2.5363

t=20.000 years.

Rule of 72 would say 72/4.76 or 15.12 years for doubling

14.90 years

2017 predicted is 491272*1.0476^17 or 1083552, or more than actual, so the rate of growth is slowing down.

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3 years ago
What number on the number line represents ground level?<br>0<br>-1<br>-2<br>-3<br>-4<br>-5<br>-6​
ki77a [65]

Answer:

0 represents ground level.

Step-by-step explanation:

0 on the number line represents ground level. Based on the photo, the 0 is in between the underground and the space above. The answer cannot be one of the negative numbers because those are all shown to be underground in the photo.

5 0
2 years ago
Question #5: You decided to paint one of the walls in the dining room the color blue. The shape of the wall is shown below. One
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Answer:

Step-by-step explanation:

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3 years ago
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What is the equation for a line that passes through the points (8,2) and (-7,2)
TiliK225 [7]

Answer:

y = 0x + 2

Step-by-step explanation:

Find the slope.

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              x2 - x1

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Pick a point to plug into the y = mx + b formula

I picked (8,2)

Now plug in the point and slope.

(Your teacher might prefer you to use 0/-17, but it can be simplified to 0, so I'll just use that.)

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Now put your slope and the y-intercept into the equation, and it will be:

y = 0x + 2

It's a bit hard to show on keyboard, so I hope you understand.

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