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3 years ago

Consider the sets below.

Mathematics

2 answers:

Pepsi [2]3 years ago

7 0

Answer:

B ⊂ A

Step-by-step explanation:

We know that:

A {x|x is a polygon}

So set A is the set of all polygons.

B {x|x is a triangle}

Set B is the set of all triangles.

First, a polygon is a plane geometrical figure made of a finite sequence of straight segments.

For example, a triangle is a polygon, a rectangle is a polygon, etc.

Then, all triangles are polygons, but not all polygons are triangles.

So we can conclude that the whole set B is included in the set A.

Then the correct notation would be:

B ⊂ A

stich3 [128]3 years ago

4 0

Answer:

B ⊂ A

Step-by-step explanation:

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Given the line below.

Roman55 [17]

Answer:

The equation of the line in point slope form is equal to

$y+2=(x+2)$

Step-by-step explanation:

The picture of the question in the attached figure

step 1

Find the slope

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

we have

(-2,-2) and (2,2)

substitute the values

$m=\frac{2+2}{2+2}=1$

step 2

Find the equation of the line in point slope form

$y-y1=m(x-x1)$

we have

$m=1\\(x1,y1)=(-2,-2)$

substitute the values in the formula

$y-(-2)=(1)(x-(-2))\\y+2=(x+2)$

5 0

3 years ago

What are the solution(s) to the quadratic equation 9x^2=4?

Irina18 [472]

Answer:

x = 2/3 or x = -2/3

Step-by-step explanation:

Solve for x over the real numbers:

9 x^2 = 4

Hint: | Divide both sides by a constant to simplify the equation.

Divide both sides by 9:

x^2 = 4/9

Hint: | Eliminate the exponent on the left-hand side.

Take the square root of both sides:

Answer:x = 2/3 or x = -2/3

8 0

4 years ago

A football team scored fewer than 16 points in Saturday’s game. Than wants to write an inequality for the number of points. He u

GalinKa [24]

C. the number of points scored by the team

6 0

3 years ago

Read 2 more answers

Solve linear equation 2y+20=2-y. 3y+20=2

Fiesta28 [93]

Answer:

y = -6

Step-by-step explanation:

y is multiplied by 3 and 20 is added to the sum. We undo these operations in reverse order.

First we subtract 20 from both sides of the equation:

3y = -18

Then we divide both sides of the equation by 3 to undo the multiplication.

y = -18/3 = -6

The solution is y = -6.

3 0

3 years ago

I WILL MARK BRAINLIEST

Roman55 [17]

Answer:

the second one

slope is negative go down one right 2

8 0

3 years ago