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3 years ago

2c - cd = m; solve for c

1 answer:

8 0

The answer is c * 1 = m / (2 - d)

2c - cd = m
2 * c - c * d = m
c * (2 - d) = m

Divide (2 - d) from both sides:
c * (2 - d) / (2 - d) = m / (2 - d)
c * 1 = m / (2 - d)
c = m / (2 - d)

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Papessa [141]

Answer:

$\dfrac{7}{3}$

Step-by-step explanation:

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3 years ago

Write an equation of a line perpendicular to y=3x+5 that contains the points (-3,-4)

Vlad [161]

The equation of line is:

$y = - \frac{1}{3}x-5$

Further explanation:

Given equation of line is:

y = 3x+5

The standard form of point-slope form is:

y = mx+b

Comparing the given equation with the standard form is:

m = 3

We know that product of slopes of two perpendicular lines is -1

Let m2 be the slope of line perpendicular to y = 3x+5

Then

$3 * m_2 = -1\\m_2 = -\frac{1}{3}$

Putting the value of slope in standard form

$y = -\frac{1}{3}x + b$

To find the value of b, putting (-3,-4) in equation

$-4 = -\frac{1}{3}(-3) + b\\-4 = 1 + b\\b = -4-1\\b = -5$

Putting the values of slope and b in equation

$y = - \frac{1}{3}x-5$

Keywords: Slope, Point-intercept form

Learn more about perpendicular lines at:

#LearnwithBrainly

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denis-greek [22]

I’m pretty sure the answer is d or c

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3 years ago