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ruslelena [56]
2 years ago
9

PLEASEEEEEE HELPPPPPPP PLEASEEEEE IM BEGGING SOMEONE PLEASEEEE HELPPPPPPPPPP PLEASEEEE

Mathematics
1 answer:
Alona [7]2 years ago
4 0

Answer:

3. Same-side interior angles  

   ? = 125°

4. Alternate interior angles

   ? = 113°

Step-by-step explanation:

too tired to explain sorry x.x

You might be interested in
WHAT IS THE MEAN DEVIATION MAD OF THE DATA SET? { 2, 5, 6, 12, 15}
Gelneren [198K]

Answer:

28

Step-by-step explanation:

Add them and then divide by the number of numbers given

3 0
3 years ago
A scale drawing has a scale of 0.25 in. : 12 ft. Find the length on the drawing for an actual length of 15 ft.
lesya [120]

If 0.25 in on a drawing is 12 ft in real life, than 1 in on the drawing is 48 ft in real life.

Just divide 15 by 48

15/48=0.3125

So the length of 15 in real life to a drawing is 0.3125 inches.

7 0
3 years ago
(x D --265 EE.1: What is the sum of (6 - 9) and combineke 4x 12 A 8x - 12​
Cerrena [4.2K]

Answer:

I’m pretty sure that’s - 11/3 .

Step-by-step explanation:

6 0
2 years ago
What can you tell me about the vertex and line of symmetry? Where are they? How do you calculate them?
MA_775_DIABLO [31]

Answer:

Formula Of Vertex and Line of symmetry

Step-by-step explanation:

The axis of symmetry always passes through the vertex of the parabola . The x -coordinate of the vertex is the equation of the axis of symmetry of the parabola. For a quadratic function in standard form, y=ax2+bx+c , the axis of symmetry is a vertical line x=−b2a

Parabolas always have a lowest point (or a highest point, if the parabola is upside-down). This point, where the parabola changes direction, is called the "vertex"

3 0
2 years ago
What is the axis of symmetry for f(x) = −3x2 + 12x − 6?
Marta_Voda [28]
The axis of symmetry can be found by finding the average of the zeros, a derivation from the conservation of energy :P, or by finding the point when the velocity is equal to zero.

df/dx=-6x+12 so df/dx, velocity, equals zero when:

-6x+12=0

6x=12

x=2  so the axis of symmetry is the vertical line x=2

....

average of zeros...

3x^2-12x+6=0

x^2-4x+2=0

x^2-4x=-2

x^2-4x+4=2

(x-2)^2=2

x-2=±√2

x=2±√2  so the average of the zeros is obviously 2.

....

conservation of energy

vf-vi=at  When vf=0, this is the maximum value for f(x)...

-vi=at, vi=b and a(acceleration)=2a(from quadratic) and t=x

-b=2ax

x=-b/(2a)  in this case

x=-12/(2(-3))

x=-12/-6

x=2

 
8 0
3 years ago
Read 2 more answers
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