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zhenek [66]
3 years ago
9

Polygon ABCD is rotated 90º counterclockwise about the origin to create polygon A′B′C′D′. Match each set of coordinates to the v

ertices of polygon A′B′C′D′. Tiles A′ (-1, 3) B′ (-2, 2) C′ (-2, 1) D′ (-1, 1)
Mathematics
2 answers:
olasank [31]3 years ago
4 0

Answer:

A′ = (-1, 1)

B′ = (-2, 1)

C′ = (-2, 2)

D′ = (-1, 3)

Step-by-step explanation:

sdas [7]3 years ago
3 0
<span>Rules for rotating points about the origin
 1. The point (a,b) rotated 90° counterclockwise about the origin
becomes (-b,a).
</span><span>A′ (-1, 3) B′ (-2, 2) C′ (-2, 1) D′ (-1, 1)
</span>A (a,b)-----------------A′ (-b,a)=(-1, 3)----------->A( 3,1)
B (a,b)-----------------B′ (-b,a)=(-2, 2)----------->B( 2,2)
C (a,b)-----------------C′ (-b,a)=(-2, 1)----------->C( 1,2)
D (a,b)-----------------D′ (-b,a)=(-1, 1)----------->D( 1,1)
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Graph for PQR with vertices
DIA [1.3K]
The new image would be (-3,6)-P
(0,5)-Q (2,2)-R

You should just be able to graph the original image by counting from the 0,0. If you need anymore help, lemme know
6 0
4 years ago
Help me please! Will give to the brainiest.
nalin [4]
The correct answer is A
4 0
4 years ago
Into how many equal parts can the same cake be cut if the cuts can only be made along the gridlines? cake can be cut into equal
avanturin [10]

Into how many equal parts can the same cake be cut if the cuts can only be made along the gridlines, cake can be cut into 20 equal parts.

This is further explained below.

<h3>What are gridlines?</h3>

Generally, In spreadsheet software, gridlines are the light gray lines that divide the cells, rows, and columns. Gridlines are often used to maintain track of data. Gridlines are widely used in popular spreadsheet programs like Spreadsheet.

In conclusion, If the cuts can only be done along the gridlines, the cake may be divided into 20 equal pieces when cutting along the lines.

Read more about gridlines

brainly.com/question/2773987

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3 0
2 years ago
An education firm measures the high school dropout rate as the percentage of 16 to 24 year olds who are not enrolled in school a
posledela

Answer:

The value of the test statistic z = -0.6606

Step-by-step explanation:

From the question we are told that

      The high dropout rate is \mu  = 6.1%  = 0.061

      The  sample size is  n = 1000

       The  number of dropouts x = 56

       The probability of having a dropout in 1000 people  \= x  = \frac{56}{1000}  =  0.056

Now setting up Test Hypothesis

 Null  H_o :  p = 0.061

 Alternative  H_a : p < 0.061        

The Test statistics is mathematically represented as

                 z = \frac{\= x - p}{\sqrt{\frac{p(1 -p)}{n} } }

substituting values

               z = \frac{0.056 - 0.061}{\sqrt{\frac{0.061(1 -0.061)}{1000} } }

               z = -0.6606

6 0
3 years ago
Simplify the expression.
Dima020 [189]

<u>The correct answer is the second option, or 3d + 9</u>

7d + 12 - 4d - 3

<em><u>Combine like terms</u></em>

3d + 9


3 0
3 years ago
Read 2 more answers
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