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Gnesinka [82]
3 years ago
11

3/5 (10+5x)−1/3(6x+3)=9 ok answer fast

Mathematics
1 answer:
Anton [14]3 years ago
6 0

Answer: x = 4

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

\dfrac{3}{5}(10 + 5x) - \dfrac{1}{3}(6x + 3)=9

\dfrac{3}{5}(10 + 5x)(15) - \dfrac{1}{3}(6x + 3)(15)=9(15) <em>multiplied by common denominator</em>

3(10 + 5x)(3) - 1(6x + 3)(5) = 9(15)   <em>reduced all fractions</em>

90 + 45x - 30x - 15 = 135      <em>distributed</em>

15x + 75 = 135      <em>simplified (added like terms)</em>

15x = 60         <em>subtracted 75 from both sides</em>

  x = 4          <em>divided 15 from both sides</em>

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Question 2 options:
Vikki [24]

Answer:

slope

point-slope form

correlation

Step-by-step explanation:

If you have a line and you know the coordinates of a point on the line, (x1, y1); and you know the  <u>slope</u>, m, you can write the equation of the line in  <u>point-slope form</u>, y - y1 = m(x - x1). 2 variable data whose point pattern can be represented best by a line is said to have a linear  <u>correlation</u>.

The slope, meaning how steep a line is, is represented by the variable m for linear equations.

y - y1 = m(x - x1) is point-slope form, one type of linear equation to represent a straight line. (There is also standard form and slope-intercept form).

Correlation is the relationship between things, like 2 variable data.

8 0
3 years ago
Please help I need it now please and thank you
Bingel [31]

Answer:

It would be the first one or second one

Step-by-step explanation:

the answer is up ahead

5 0
2 years ago
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What is the <br> The product of -2 and a number minus six is greater than -18.
Fed [463]
Answer: x>-6

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-2x >-12
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6 0
3 years ago
V=1/2at^2 solve for t
malfutka [58]

\dfrac{1}{2}at^2=V\qquad\text{multiply both sides by 2}\\\\at^2=2V\qquad\text{divide both sides by}\ a\neq0\\\\t^2=\dfrac{2V}{a}\to\boxed{t=\sqrt{\dfrac{2V}{a}}}

8 0
3 years ago
<img src="https://tex.z-dn.net/?f=%282w%20%2B%201%29%20%7B%7D%5E%7B2%7D%20" id="TexFormula1" title="(2w + 1) {}^{2} " alt="(2w +
Lynna [10]

Answer:

4w^2 +4w+1

this is the product.

Step-by-step explanation:

7 0
2 years ago
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