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ANSWER ASAP! Geometry 10A

Aleksandr-060686 [28]

The coordinates of the vertices of each image are:

W' = (1 , 3) , X' = (4 , 2) , Y' = (1 , -3) , Z' = (-3 , 0) ⇒ C

Step-by-step explanation:

Let us revise the rotation about the origin

If point (x , y) rotated about the origin by angle 90° counterclockwise, then its image is (-y , x)
If point (x , y) rotated about the origin by angle 180° counterclockwise, then its image is (-x , -y)
If point (x , y) rotated about the origin by angle 270° counterclockwise, then its image is (y , -x)
If point (x , y) rotated about the origin by angle 90° clockwise, then its image is (y , -x)
If point (x , y) rotated about the origin by angle 180° clockwise, then its image is (-x , -y)
If point (x , y) rotated about the origin by angle 270° clockwise, then its image is (-y , x)
There is no difference between rotating 180° clockwise or counterclockwise around the origin

∵ The vertices of the figure are W (-3 , 1) , X (-2 , 4) , Y (3 , 1) , Z (0 , -3)

∵ The figure is rotated 90° clockwise (270° counterclockwise)

about the origin

- Change the sign of the x-coordinate of each point and switch the

two coordinates as the 3rd or 4th rule above

∴ W' = (1 , 3) , X' = (4 , 2) , Y' = (1 , -3) , Z' = (-3 , 0)

The coordinates of the vertices of each image are:

W' = (1 , 3) , X' = (4 , 2) , Y' = (1 , -3) , Z' = (-3 , 0)

Learn more:

You can learn more about rotation in brainly.com/question/9720317

#LearnwithBrainly

6 0

4 years ago

Different hotels in a certain area are randomly selected, and their ratings and prices were obtained online. Using technology, w

mash [69]

Answer:

Option C) The symbol y represents the predicted value of price.

Step-by-step explanation:

We are given the following in the question:

We find a regression equation with x representing the ratings and y representing price.

The equation has a slope of 130 and a y-intercept of 350.

Comparing with the slope intercept form:

$y = mx + c\\\text{where m is the slope and c is the y intercept}$

Thus, we can write the equation as:

$y = 130x + 350$

Here, y is the predicted variable that is the price, c is the price of hotel when a rating of 0 is given.

Thus, symbol y represents:

C) The symbol y represents the predicted value of price.

5 0

4 years ago

Rewrite y +2> +(6x –9) to isolate the y-term.<br> Rewrite y +2>2(6x-<br> Helppppp

Ilya [14]

Given:

The inequality is:

$y+2>\dfrac{1}{3}(6x+9)$

To find:

The inequality after isolating the y-term.

Solution:

We have,

$y+2>\dfrac{1}{3}(6x+9)$

On simplification, we get

$y+2>\dfrac{1}{3}(6x)+\dfrac{1}{3}(9)$

$y+2>2x+3$

Subtracting 2 from both sides of the above inequality, we get

$y+2-2>2x+3-2$

$y>2x+1$

Therefore, the required inequality is $y>2x+1$ .

6 0

3 years ago

If A= {a, b, c, d, e} and C= {c, d, e} then how are they equal

elena55 [62]

{c, d, e} is common to both sets A and C.

{c, d, e} is called "the intersection of A and C."

Look up "intersection (set theory)" on the 'Net, for more info.

8 0

3 years ago

The area of a rectangular ice rink is 900 sq. yards. If the length of the rink is 100 yards what is the width of the rink?

soldi70 [24.7K]

Easy! Multiply 100 by 2 and get 200. Then subtract 900 by 2, and get 700. Then you divide 700 by 2 (because there are only 2 sides left!) and BAMMMMMM there’s your answer

3 0

3 years ago