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Debora [2.8K]
3 years ago
14

Which of the following regular polygons circumscribed about a circle provides the best estimate for the area of that circle?

Mathematics
1 answer:
ki77a [65]3 years ago
6 0
Hi i need more informacion :)01927. i tgink is octagon
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How to find an equation for a line through two given points?​
xz_007 [3.2K]

Answer:

The equation of the line is: y = 0.6x + 0.6

Step-by-step explanation:

Equation of a line:

The equation of a line has the following format:

y = mx + b

In which m is the slope and b is the y-intercept.

Two points:

We have these following two points in this exercise:

x = -6, y = -3, so (-6,-3)

x = 4, y = 3, so (4,3)

Finding the slope:

Given two points, the slope is given by the change in y divided by the change in x.

Change in y: 3 - (-3) = 3 + 3 = 6

Change in x: 4 - (-6) = 4 + 6 = 10

So

m = \frac{6}{10} = 0.6

Then

y = 0.6x + b

Finding b:

We replace one of the points in the equation to find b. I will use (4,3).

y = 0.6x + b

3 = 0.6*4 + b

2.4 + b = 3

b = 0.6

The equation of the line is: y = 0.6x + 0.6

4 0
3 years ago
Write the following equation, then solve. The difference of four times a number, x and 12 is 28
Alona [7]

Answer:

4x - 12 = 28

To isolate 4x, we add 12 to both sides:

4x - 12 + 12 = 28 + 12

so

4x = 40

Now we divide 4 from both sides:

x = 40 / 4

so x = 10

5 0
3 years ago
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Evaluate the following f(-2)+f(-3)=
8090 [49]
It would be =-5f
Hope this helps
7 0
3 years ago
65pts! plot the vertex and the axis of symmetry of this function:
Mashcka [7]

Answer:

f(x)=(x−3)2−5

Find the properties of the given parabola.

Direction:

Vertex: (3,−5)

Focus: (3,−194)

Axis of Symmetry: x=3

Directrix: y=−214

Select a few x

values, and plug them into the equation to find the corresponding y values. The x

values should be selected around the vertex.

x  y

1   -1

2  -4

3   -5

4   -4

5    -1

Graph the parabola using its properties and the selected points.

Direction:

Vertex: (3,−5)

Focus: (3,−194)

Axis of Symmetry: x=3

Directrix: y=−214

x  y

1   -1

2  -4

3   -5

4   -4

5    -1

4 0
3 years ago
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A secant line contains a chord.<br><br> always<br> sometimes<br> never
dimaraw [331]
A secant line always contains a chord.
8 0
3 years ago
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