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Molodets [167]
3 years ago
14

Can someone help me with this problem for a quiz tomorrow????

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
4 0

Answer:

I hope it requires the picture I have drawn.

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Polygons QRST and Q′R′S′T′ are shown on the following coordinate grid: A coordinate plane with two polygons is shown. Polygon QR
creativ13 [48]
As you can see from the picture you have: 
to rotate point S about the origin by 90^0 clockwise to form point S'';
to rotate point R about the origin by 90^0 clockwise to form point R'';
to rotate point Q about the origin by 90^0 clockwise to form point Q'';
to rotate point T about the origin by 90^0 clockwise to form point T''.
Then you have to translate polygon Q''R''S''T'' 1 unit down.
Note that rotation 90^0 clockwise is the same as rotation 270^0 counterclockwise, so the correct answer is rotating 270^0 counterclockwise about the origin and translating 1 unit down.






8 0
4 years ago
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Find surface area of right cone with diameter of 12 meters and a slant height of 9 meters
soldi70 [24.7K]
C ^^^ !!!!!! aahhahahahahhahahahaha
6 0
3 years ago
Q6: Women's heights have a mean of 63.6 inches and a standard deviation
Goryan [66]

Answer:

A

Step-by-step explanation:

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3 0
3 years ago
If quadrilateral ABCD rotates 90° counterclockwise about the origin, what are the coordinates of A′ in quadrilateral A′B′C′D′ ?
Vesna [10]

Answer:

Option B is correct.

The coordinate of A' is (-2 , -1)

Explanation:

The coordinates of ABCD are A = (-1,2) , B(1,1) , C =(1,-1) and D(-2,-2).

Rotation means moving the shape  around a fixed point clockwise or anticlockwise, and by a certain number of degrees.

Rule for 90° counterclockwise rotation about the origin: (x,y) \rightarrow (-y,x)

or we can say that switch x and y in the coordinates and make y value opposite.

Then, the coordinate of A' :

A(-1,2) \rightarrow A'(-2 ,-1)

Therefore, the coordinate of A' in the quadrilateral A'B'C'D' is, (-2 ,-1)


6 0
4 years ago
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This as a decimal 6th​
makkiz [27]

Answer:

the answer to the question is 3.2

8 0
3 years ago
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