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leva [86]
2 years ago
12

Find the slope of the lines shown in the graph

Mathematics
1 answer:
Lunna [17]2 years ago
4 0
Red line: -2/3
Blue line: 2/1
Black line: 1/3

Sorry if it’s wrong, but I went be an through my math notes to try and figure it out for you.
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What is the equation of this graphed line?
Veseljchak [2.6K]

Answer:

Slope Intercept form of the equation is y  = \frac{1}{3} x - 9

Step-by-step explanation:

Here,  the two point line are given as  is A(-6,-3) and B(6,-7)

The slope of the line AB =  m = \frac{y_2 - y_1}{x_2 - x_1}

m = \frac{-7-(-3)}{6-(-6)}   = \frac{-7 + 3}{6 + 6}   = \frac{4}{12} \\\implies m = \frac{1}{3}

⇒ the slope of AB  is m =  (4/3)

By SLOPE  INTERCEPT FORMULA:

The equation of a line with slope m and a point (x0, y0) is given as

(y-y0)=  m (x-x0)

⇒ The equation of line with point (6,-7) is:  

y + 7 = \frac{1}{3} (x-6)  \implies  3y + 21  - x + 6 - 0\\or, -x + 3y + 27 = 0

Now, the given equation is -x + 3y  = -27

Convert it in the  SLOPE INTERCEPT FORM  y = mx + c

We get, 3y = x - 27

or, y = \frac{1}{3} x - \frac{27}{3} \\\implies y = \frac{1}{3} x - 9

Hence, the Slope Intercept form of the equation is y  = \frac{1}{3} x - 9

3 0
2 years ago
1kg= 2.2 pounds<br> Change 44 pounds in kg
Lyrx [107]
<u><em>Answer:</em></u>
44 pounds = 20 kg

<u><em>Explanation:</em></u>
<u>We are given that:</u>
1 kg = 2.2 pounds

To convert 44 pounds into kg, all we have to do is <u>cross multiplication</u> as follows:
1 kg .................> 2.2 pounds
?? kg .................> 44 pounds

<u>Now, we solve as follows:</u>
4 kg = \frac{44*1}{2.2} = 20 pounds

Hope this helps :)
4 0
3 years ago
What property is (3x+7)+(2x+8)=3x+7+2x+8
Alex_Xolod [135]

Answer:

distributive property

Step-by-step explanation:

(3x + 7) + (2x + 8)

each of the parenthesis has a multiplier of 1 , placed outside the parenthesis.

then multiplying the terms inside the parenthesis by 1 gives

3x + 7 + 2x + 8

4 0
1 year ago
PLEASE HELP ILL AWARD BRAINLIEST!!
BabaBlast [244]

Answer:

4th one

Step-by-step explanation:

6 0
3 years ago
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WILL<br><br><br><br> GIVE BRAINLIST <br><br><br><br> ANSWER<br><br><br> MATH
Wittaler [7]

Answer:

might be C not sure though

8 0
2 years ago
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