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ioda
2 years ago
9

Consider the sets below.

Mathematics
1 answer:
blagie [28]2 years ago
5 0
A, xlx is a polygon as far as i’m aware it should be correct.
You might be interested in
A parallelogram has vertices E(1, 4), F(5, 3), G(−3, 1), and H(1, 0). What are the coordinates of the midpoint of each diagonal?
kozerog [31]
Check the picture below.

now, the diagonals cut each other in two equal halves, thus, the midpoint of GF is the same coordinates as the midpoint for EH, so let's check what the midpoint for GF is then

\bf \textit{middle point of 2 points }\\ \quad \\
\begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
%  (a,b)
G&({{ -3}}\quad ,&{{ 1}})\quad 
%  (c,d)
F&({{ 5}}\quad ,&{{ 3}})
\end{array}\qquad
%   coordinates of midpoint 
\left(\cfrac{{{ x_2}} + {{ x_1}}}{2}\quad ,\quad \cfrac{{{ y_2}} + {{ y_1}}}{2} \right)
\\\\\\
\left(\cfrac{5-3}{2}~~,~~\cfrac{5-1}{2}  \right)\implies \left( \cfrac{2}{2}~~,~~\cfrac{4}{2} \right)\implies (1,2)

5 0
3 years ago
Look at the function f(x)=x^2-2. Which of the following describes the domain and range of the function and its inverse?
anygoal [31]

Answer:

A

Step-by-step explanation:

The function is a quadratic whose graph is a parabola. All parabolas have no limitations on their domain. This means the domain of the function is all real numbers.

This parabola has a minimum value since its leading coefficient is positive. Its vertex is at (0,-2). This means its range is all values greater than -2 or y ≥ -2.

An inverse of a function is its reflection across the y=x line. This results in (x,y) in the function becoming (y,x) in its inverse. The domain of the function becomes the range of the inverse and the range of the function becomes the domain of the inverse. Inverse has x ≥ -2 as its domain and all real numbers for its range.

6 0
4 years ago
What is 7•8+1•40. Explain your answer
zaharov [31]

Answer:

96

Step-by-step explanation:

We will use the order of operations to solve the equation

7×8+1×40

multiplication before addition, so we do this first:

7×8=56

We change the equation to this:

56+1×40

Then we multiply:

1×40=40

We change the equation to this:

56+40

Then we add to solve:

56+40=96

3 0
3 years ago
Mary has 10 yards of string. she uses 2 yards of string for a project. she wants to cut the remaining string into pieces that ar
tatiyna
Mary has 10 yards She used 2 yards:
She sis left with 10 - 2 = 8 yards
She want to cut the rest at 1/3 yard long, 
8÷ 1/3 = 8 x 3 = 24 pieces
6 0
3 years ago
Please I want the area and perimeter of this shape!!<br> With steps and explanation please!!
worty [1.4K]

For perimeter you will add each side together so

8ft+22ft+12ft+16ft=58

So your perimeter is 58ft.

For area your going to divide the shape into 2 to get the area as this is an irregular shape, so

Base 1+base2x height / by 2

22+8 x4/2

30x4/2

120/2

60

If you’re wondering how I got 4 I subtracted 16 with 12 to know what the height was. Good luck!!

7 0
3 years ago
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