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Lunna [17]
3 years ago
8

40)Find the slope of the line containing the points (5, -1) and (-8, -4).

Mathematics
1 answer:
Anna71 [15]3 years ago
8 0

9514 1404 393

Answer:

  A.  3/13

Step-by-step explanation:

The slope formula is ...

  m = (y2 -y1)/(x2 -x1)

Using the given points, this is ...

  m = (-4 -(-1))/(-8 -5) = -3/-13 = 3/13

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Find the distance from point (0,3) to the line y=3x-9
anastassius [24]

Answer:

<em>The distance from a point to the line </em>

   d = \frac{9}{\sqrt{10} }

Step-by-step explanation:

<u><em>Explanation</em></u>:-

Given straight line y = 3x-9 and point ( 0, 3)

Given straight line 3 x - y -9 =0

<em>The distance from a point to the line </em>

           d = \frac{ax_{1} +by_{1} +c_{1} }{\sqrt{a^{2} +b^{2} } }

         d = |\frac{3(0) -3 -9 }{\sqrt{3^{2}  +1^{2}  } }|

         d = \frac{9}{\sqrt{10} }

6 0
3 years ago
The points M(-7,2), N(-3,4), O(-5,8)M(−7,2),N(−3,4),O(−5,8), and P(-9,6)P(−9,6) form a quadrilateral. Find the desired slopes an
pochemuha

The slope of line PO and MN is 0.5. And the slope of the line ON and MP is negative 2. Then each length of the quadrilateral is 4.47 units.

<h3>What is a quadrilateral?</h3>

It is a quadrilateral with four sides. The total interior angle is 360 degrees.

The points M(−7,2), N(−3,4), O(−5,8), and P(−9,6) form a quadrilateral.

Then the slope of each line of the quadrilateral will be

The slope of the line PO will be

PO = (8-6)/(-5+9)

PO = 2/4

PO = 0.5

The slope of the line ON will be

ON = (8-4)/(-5+3)

ON = 4/(-2)

ON = -2

The slope of the line MN will be

MN = (4-2)/(-3+7)

MN = 2/4

MN = 0.5

The slope of the line MP will be

MP = (6-2)/(-9+7)

MP = 4/(-2)

MP  = -2

Then each length of the quadrilateral will be

The length of PO will be

PO = √[(-9+5)² + (6-8)²]

PO = 4.47

The length of ON will be

ON = √[(-5+3)² + (8-4)²]

ON = 4.47

The length of MN will be

MN = √[(-3+7)² + (4-2)²]

MN = 4.47

The length of MP will be

MP = √[(-9+7)² + (6-2)²]

MP = 4.47

More about the quadrilateral link is given below.

brainly.com/question/13805601

#SPJ1

4 0
2 years ago
Which of the following equations represent a line that is parallel to the line with the equation
xxMikexx [17]

Answer:

c

Step-by-step explanation:

8 0
3 years ago
What is 2.8 x 10^-4 in standard form?
anzhelika [568]
Here is your answer:

Its scientific notations:

Its negative so your going to the left:

2.8×10^-4
=0.000028
6 0
3 years ago
I will mark brainliest .. please help me with this equation because i'm not smart.. xD
irinina [24]

Answer:

1ab or ab

Step-by-step explanation:

3-9=-6: - 6ab+7ab

-6+7=1: 1ab or ab :)

6 0
4 years ago
Read 2 more answers
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