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strojnjashka [21]
3 years ago
13

Line CD passes through points C(3, -5) And D(6, 0). What is the equation of line CD in standard form?

Mathematics
2 answers:
Fynjy0 [20]3 years ago
8 0
Y = mx + b
m = (0 - -5)/(6 - 3) = 5/3
y = 5/3x + b
0 = 5/3(6) + b
b = -10
(y = 5/3x - 10)3
3y = 5x - 30
3y - 5x = -30
5x - 3y = 30
Free_Kalibri [48]3 years ago
7 0

Answer:

5x - 3y = 30

Step-by-step explanation:

First we find the slope of the line using the formula

m=\frac{y_2-y_1}{x_2-x_1}

Using our points, we have

m = (-5-0)/(3-6) = -5/(-3) = 5/3

Next we write the equation using point-slope form.  Using the slope of 5/3 and the second point, we have

y-0 = 5/3(x-6)

y = 5/3(x-6)

Using the distributive property, we have

y = 5/3(x)-5/3(6)

y = 5/3(x)-5/3(6/1)

y = 5/3(x)-30/3

y = 5/3x - 10

We cannot have fractions in standard form.  To deal with this, we will multiply all 3 terms by 3:

3y = 5/3x(3) - 10(3)

3y = 5x - 30

We want x and y on the same side; subtract 5x from each side:

3y-5x = 5x-30-5x

-5x+3y = -30

We want x to be positive; multiply all 3 terms by -1:

5x-3y = 30

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-6x+5>-1 what is the solution to the inequality?.
andrey2020 [161]

Answer:

the solution set is: x < 1

Step-by-step explanation:

Given that:

-6x+5>-1

We have to find solution for x so by simplifying:

Subtracting 5 from both sides we get:

-6x+5 - 5>-1  - 5

Both 5s on left side will be cancelled out:

-6x > -6

Dividing both sides by -6 will change the sign of inequality:

-6x/-6 < -6/-6

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So the solution set is: x < 1

i hope it will help you!

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3 years ago
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Adam borrowed $16,780 at 12.5 percent for 10 years. What is his monthly payment?
Scrat [10]

ANSWER:

245.83

Step-by-step explanation:

16,780/100=167.8

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3 years ago
Given the graph of the function f below, estimate the intervals in which fis<br> increasing.
nadezda [96]

Answer:

  (-∞, -5/2) ∪ (1, ∞)

Step-by-step explanation:

"Increasing" means the graph goes up to the right. It is increasing from the left up to the local maximum--the peak at left.

It is increasing again from the local minimum on the right to the right side of the graph.

The two sections where the graph is increasing are ...

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The graph is <em>decreasing</em> between the maximum on the left and the minimum on the right.

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y = y

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