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maks197457 [2]
3 years ago
10

Best/correct answer gets brainliest.

Mathematics
1 answer:
uysha [10]3 years ago
4 0
A median of a triangle is a segment that joins a vertex to the midpoint of the opposite side.
The centroid of a triangle is the point where all medians intersect.
That makes segments AE, CD and BF medians of triangle ABC.
The only median in the choices is CD.

Answer: B) Segment CD
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Brainlest and points need help math
jarptica [38.1K]
Answer: 43.96in^2
Explanation:
14x3.14=43.96in^2
4 0
3 years ago
Is it positive, zero, or negative?​
Naddik [55]

Answer:

Discriminant is positive.

Step-by-step explanation:

From the given graph,

Vertex of the parabola = (-3, -2)

y - intercept of the parabola = (0, 1)

Vertex form of a parabola opening upwards is,

y = a(x- h)² + k

Here (h, k) is the vertex.

By substituting the values of the vertex in this equation.

y = a(x + 2)² - 3

Since this parabola passes through (0, 1)

1 = a(0 + 2)² - 3

a = \frac{(1+3)}{4}

a = 1

So the equation of the parabola will be

y = (x + 2)² - 3

y = x² + 4x + 4 - 3

y = x² + 4x + 1

Here a = 1, b = 4 and c = 1 (comparing with standard quadratic equation y = ax² + bx + c)

Discriminant of a quadratic equation is represented by,

(b² - 4ac)

Therefore, the value of discriminant = (4)² - 4(1)(1)

                                                            = 16 - 4

                                                            = 12

Therefore, discriminant of the given graph is positive.

5 0
3 years ago
What is the measure of
Nata [24]

Answer:

9

Step-by-step explanation:

3x+18+9x-27=99

12x-9=99

12x=108

x=9

7 0
3 years ago
Helpp,
Sergeeva-Olga [200]

Answer:

5/6

Step-by-step explanation:

1/3 + 1/2

Must have matching denominators

 1           1

----- +  -------

 3 (2)    2(3)

Whatever is done to the bottom (denominator) must be done to the top (numerator)

1(2)      1(3)

----- +  -------

 3 (2)    2(3)

2          3            5

----- +  -------  =  --------

 6         6             6

Can I name Justin's sum as a single fraction: Yes

Would it be correct to name it 2/3: No. The fraction is equal to 5/6

I hope this helps!

4 0
1 year ago
Factorise x^3+3x^2y+3xy^2+y^3
Nesterboy [21]
  • Answer:

<em>(x + y)³</em>

  • Step-by-step explanation:

<em>   use (a + b)³ = a³ + 3a²b + 3ab² + b³</em>

<em>x³ + 3x²y + 3xy² + y³ =</em>

<em>= (x + y)³</em>

7 0
3 years ago
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