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3 years ago

Which of the following best describes a plane ?

2 answers:

7 0

The best example of a plane would be A) the surface of a flat table. A plane could also be represented by anything that is flat in nature.

Hope this helps! :)

jekas [21]3 years ago

6 0

Answer: option A. the surface of a flat plane.

Justification:

A plane in geometry is an infinite surface that does not have curvature, which means it is flat

It is an idealization and it does not have thickness and is unlimited in width and length. Those are the properties of a plane.

Here you have some examples that may represent the idea of a plane:

1) The surface of a hardcover book

2) The surface of the floor of a house

3) The surface of a wall

4) The surface of a flat mirror.

So, the clue to distinguish the correct answer is the word flat.

Rgarding the other options, the B. the edge of a desk describes a line, the C. describes a curve, and the D. describes a point.

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Graph the set of points. which model is most appropriate for the set (-6 4) (-4 0) (-3 -2) (-1 -7)

Free_Kalibri [48]

Answer:

The linear regression model is $y=-2.19x-8.92$ .

Step-by-step explanation:

The given data points are (-6 4) (-4 0) (-3 -2) (-1 -7). Plot these points on a coordinate plane.

From the graph it is clear that the point are in the form of a straight line, so we need to use the linear regression model.

The general linear regression model is

$y=ax+b$

Using technology we get

$a=-2.1923076923\approx -2.19$

$b=-8.9230769231\approx -8.92$

Put a=-2.19 and b=-8.92 in the above equation.

$y=-2.19x-8.92$

Therefore the linear regression model is $y=-2.19x-8.92$ .

8 0

2 years ago

A number decreased by 7 is at most 13

maxonik [38]

X-7 < (or equal to) 13

6 0

3 years ago

What is 20% of 70 plants

lawyer [7]

P% = p/100

20% = 20/100 = 2/10 = 0.2

20% of 70 plants:

"0.2 x 70 plants = 14 plants"

7 0

3 years ago

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Presley is marking the lines for a soccer field. She needs to form a right triangle near the goal. She measures the lengths of h

Hunter-Best [27]

Answer:it’s b

Step-by-step explanation:

8 0

3 years ago

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In the above figure (not drawn to scale), Find ∠AEC.

n200080 [17]

Answer:

C. 75°

Step-by-step explanation:

We have been given a circle and we are asked to find the measure of angle AEC.

We will use Intersecting chords theorem to find the measure of angle AEC, which states that measure of angle formed inside a circle by two intersecting chords is one half the sum of the measure of the arcs intercepted by the angle and its vertical angle.

We can see that measure of arc AC is 110 degrees and measure of its vertical arc BD is 40 degrees.

$m\angle AEC=\frac{110^o+40^o}{2}$

$m\angle AEC=\frac{150^o}{2}$

$m\angle AEC=75^o$

Therefore, measure of angle AEC is 75 degrees and option C is the correct choice.

7 0

3 years ago

Read 2 more answers