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Gnoma [55]
3 years ago
14

Solve x^2 + 5x + 6= 0

Mathematics
2 answers:
Anestetic [448]3 years ago
6 0

x = -3 or x = -2

Step-by-step explanation:

x² + 5x + 6 = 0

(x + 3)(x + 2)

x = -3 \/ x = -2

kodGreya [7K]3 years ago
6 0

Answer:

x₁ = (-2) , & x₂ = (-3).

Step-by-step explanation:

2² + 5x + 6 = 0

/\

2 3

x₂

  • (x + 2)
  • x + 2 = 0
  • x₁ = (-2)

x₁

  • (x + 3)
  • x + 3 = 0
  • x₂ = (-3)
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20 PTS! Please Help!!!! Will Give Brainliest!! This is a Khan Academy Problem!!!
klemol [59]

Using it's concept, the approximate perimeter of pentagon ABCDE is given as follows:

34.4 units.

<h3>What is the perimeter of a figure?</h3>

The perimeter of a figure is given by the sum of the lengths of it's outside dimensions.

In this problem, the vertices are in a coordinate-plane, hence the distances are found using the formula for the distance between two points.

<h3>What is the distance between two points?</h3>

Suppose that we have two points, (x_1,y_1) and (x_2,y_2). The distance between them is given by:

D = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

The length of segment AB is:

AB = \sqrt{(6 - 0)^2+(0 - 7)^2} = 9.2

The length of segment BC is:

BC = \sqrt{(6 - 3)^2+(0 + 4)^2} = 5

The length of segment CD is:

CD = \sqrt{(-3 -3)^2+(-4 + 4)^2} = 6

The length of segment DE is:

DE = \sqrt{(-6 + 3)^2+(0 + 4)^2} = 5

The length of segment EA is:

EA = \sqrt{(-6 +0)^2+(0 - 7)^2} = 9.2

Hence the perimeter is:

P = AB + BC + CD + DE + EA = 9.2 + 5 + 6 + 5 + 9.2 = 34.4 units.

More can be learned about the perimeter of a figure at brainly.com/question/18610622

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3 0
2 years ago
Please help me with math
andre [41]

Answer:

Step-by-step explanation:

a) 4/9*x^4

b) 2/y

4 0
4 years ago
Solve the equation for x:<br> | 4x - 3] = 7
Soloha48 [4]

Answer:

x=-1, 5/2.

Step-by-step explanation:

abs(4x-3)=7

4x-3=7, 4x-3=-7

4x=7+3=10

x=10/4=5/2

----------------

4x=-7+3

4x=-4

x=-4/4=-1

5 0
3 years ago
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sineoko [7]

Answer:

Option C is correct.........

4 0
3 years ago
Marks test scores for this semester were 83,80,91,74,66,95,87,72,95,97 what is the mode of his test scores
Vlada [557]

Answer:

95

Step-by-step explanation:

Mode is what is the most frequent number that occurred; 95 occurred the most from the data.

3 0
3 years ago
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