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8_murik_8 [283]
3 years ago
15

Study quadrilateral ABCD. Which graph of ABCD shows the reflection of quadrilateral ABCD across the line y=x

Mathematics
1 answer:
algol133 years ago
3 0

Answer:

graph C

Step-by-step explanation:

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PLEASE HELP!!! I WILL GIVE BRAINLIST!!
harkovskaia [24]

Answer: Yes

Step-by-step explanation:

Using the vertical line test, we draw a bunch of lines that go up and down. We can see there is no point where a vertical line has 2 intersections.

5 0
2 years ago
Read 2 more answers
NO LINKS OR ASSESSMENT!!<br><br>Write a rule to describe each transformation #9 &amp; #11​
ValentinkaMS [17]

Answer:

Step-by-step explanation:

Remark

I really don't know what to write to these questions. I can never tell what the problem is. Perhaps it is right at the very beginning. You have to recognize what is taking place. In problem 9, the easiest point to follow is H going to H'. Do you see what is happening? H is sitting on the x axis and then something happens to it and behold, it is now sitting on the y axis. So it has rotated 90 degrees but which way?

Take your finger or a pencil and put it on H. Then make a circular motion to get to H'. You are going clockwise. (keep going in that direction till you wind up where you started. You are going in the direction of one of those old fashioned clocks. Now the trick in a rotation is if you can figure out what one point is doing, you know what all points are doing on the given figure.

So the translation is 90 degrees clockwise. That means the following rule must be operating

(x,y) ===> (y, - x)

H(-3,0) ===> H'(0, - - 3) = H'(0,3)

I(-2,1) =====>I'(1, - - 2) = H'(1,2)

J(0,1) =====>J'(1,0)

G(-3,-3)====>G'(-3, --3) = G'(-3,3)

11

At first you may think that this is a translation of some kind. I thought so at first. D and D' certainly look that way and C and C' also look that way. But B and E are not well behaved. You are looking at a 180 degree rotation

The rule you need here is (x,y) becomes (-x , - y)

I'll leave C and D to you and do one of the B and E

E(3,5)=E'(-3 , - 5)

8 0
3 years ago
Read 2 more answers
The cost of a pen at the office supply store is $2.65. the school store sells the pen for $3.45. How much does the school store
denis23 [38]

Answer:

30.1%

Step-by-step explanation:

The increase in price (markup) is ($3.45 - $2.65) = $0.80.

The increase in price (as a decimal fraction) is 0.80/2.65, or 0.301; as a percentate, this is 30.1%

7 0
2 years ago
Number of sides of shape: _5<br>Number of degrees inside:<br>​
Gwar [14]

Answer:

Step-by-step explanation:

The sum of the interior angles of a polygon with n side is

180(n-2)

So, for a polygon with 5 sides the expression is

180\cdot 3 = 540

5 0
3 years ago
A rectangle pool in in your friends yard is 150 x 400 ft
lesya692 [45]
If u are looking for area just multiply 150 by 400 but if you are finding perimeter just do 150 plus 150 plus 400 plus 400
7 0
3 years ago
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