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2 years ago

Which list correctly orders A, B, and C from least to greatest when A=-8, B = |-61, and C = 11|?

Mathematics

1 answer:

Katena32 [7]2 years ago

8 0

The correct border is b a c.

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If U = {all positive integers) and A = {x|x EU and x is an odd positive integer}, which describes AC?

Galina-37 [17]

Answer:

last choice

Step-by-step explanation:

If we are looking at positive integers and we take out the odd ones, the only one's that are left are the even ones.

So last choice. (Also I assume AC meant the complement of A)

7 0

3 years ago

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The curved part of this figures is a semicircle.

vovangra [49]

First we join the two endpoints of the semicircle and that will be the diameter.

And to find the length of the diameter, we have to use distance formula, with one endpoint (3,2) and the other is (-4,-2) .

SO we get

$Diameter = \sqrt{ {-4-3)^2 +(-2-2)^2 } = \sqrt{49+16} = \sqrt 65$

Radius is half of diameter, so the radius is

$Radius= \frac{ \sqrt{65}}{2}$

Formula of area of circle is

$Area = \pi r^2$

So the area of semicircle is

$=(1/2) \pi ( \frac{ \sqrt{65}}{2})^2 = 8.125 \pi \square \units$

And the other figure is a triangle, with

$Base = 3-(-4)=3+4=7 \\ height = 2-(-2) = 2+2 =4$

$Area = (1/2)*4*7= 14 square units$

Therefore, total area is the sum of area of semicircle and area of triangle,

And we will get

$Total \ area= 14 + 8.125 \pi \ units^2$

Correct option is the third option .

3 0

3 years ago

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Using the graph determine the equation of the axis of symmetry

zalisa [80]

It’s is 1
wherever the vertex is, is the line of symmetry

5 0

2 years ago

3. The graph of an equation intersects the y-axis at some point. What do the coordinates of the intersection indicate?

Vikki [24]

Answer:

Area: ½ × base × height

Perimeter: sum of side lengths of the triangle

of vertices: 3

Number of edges: 3

Internal angle: 60° (for equilateral)

Sum of interior angles: 180°

Step-by-step explanation:

5 0

2 years ago

EXPERTS/ACE/GENIUSES PLZ HELP

Anna71 [15]

I believe it's 8 because it's scale is 4 times bigger.
2×4=8

6 0

2 years ago

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