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aleksklad [387]
4 years ago
11

3x-4(2+3x)=82

Mathematics
2 answers:
enyata [817]4 years ago
8 0

Answer:

x=-10

Step-by-step explanation:

3x-4(2+3x)=82

3x-(4*2)+(4*3x)=82

3x-8-12x=82

-9x-8=82

-9x-8+8=82+8

-9x=90

-9x/-9=x

90/-9=-10

x=-10

11Alexandr11 [23.1K]4 years ago
7 0

Answer:

10 isn't the right answer

Step-by-step explanation:

multiply everything in the parenthesis by -4

you would get 3x-8-12x=82

then combine like terms to get -9x

once your equation is in simplist form it will look like

-9x-8=82

next you add 8 to the 82

-9x=90

then divide 90 by -9 and you would get

x=-10

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8 0
4 years ago
Passing through(-1,8) and parallel to the line whose equation is 8x-9y-2=0
notka56 [123]
<h3>Answer:</h3>

y = 8/9x + 80/9

<h3>Step-by-step explanation:</h3>

<u>We are given;</u>

  • Equation of a line as 8x -9y -2 = 0
  • Coordinates (-1,8)

We are required to determine the equation of a line parallel to the given line and passing through a point (-1,8)

<h3>Step 1: Determine the Gradient of the given line </h3>
  • When an equation is written in the form y = mx + c, m is the gradient.
  • Therefore; we could write the equation 8x -9y -2 = 0 in the form of  y= mx + c

9y = 8x -2

y = 8/9x - 2/9

Therefore, the slope, m = 8/9

<h3>Step 2: Determine the equation of the line</h3>
  • We need to know that parallel lines have the same gradient
  • Therefore, the slope of the line in question is 8/9
  • It passes through a point (-1, 8)

We can therefore, determine the equation;

Taking another point, (x,y)

\frac{y-8}{x+1} = \frac{8}{9}

9(y-8) = 8(x+1)

9y - 72 = 8x + 8

 9y = 8x + 8 +72

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  y = 8/9x + 80/9

Therefore, the equation of the line is y = 8/9x + 80/9

4 0
4 years ago
The Delos' adjusted gross income is $198,000 per year. The Delos' monthly
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Answer:

Option “A". 25% , Yes” is correct answer.

Step-by-step explanation:

Ratio=\dfrac{\text{Total monthly credit obligation}}{\text{gross monthly income}}

 Total monthly credit obligation =1,967.41+299+550+1,250=\$4,066.41

Monthly income=(round off)

Back end ratio is less 36% hence  bank will approve them for the mortgage.

7 0
3 years ago
What is 54 3/11 as a decimal
saul85 [17]
The answer is 54.27. Hope I was halpful 
8 0
3 years ago
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oksian1 [2.3K]
1) 14
2) 8
3) 6
5) 2
6) 49
7) 12
9) 12
10) 25
11) 3

Hope This Helps You!
Good Luck Studying :)
6 0
3 years ago
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