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4 years ago

Which transformations can be used to carry ABCD onto itself? The point of rotation is (3, 2). Check all that apply.

Mathematics

2 answers:

Shtirlitz [24]4 years ago

7 0

A and B.

This is because X=3 directly cuts the rectangle in half so the reflection will just look like the original shape.

And for shapes that have 2 lines of symmetry any 180 degree rotation will end up aligning with one of these axis and become indistinguishable from the original shape.

SSSSS [86.1K]4 years ago

3 0

Answer:

a and b

Step-by-step explanation:

apex

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3 years ago

The population density of the world is calculated by finding the ratio of the total number of people in the world to the area of

Romashka [77]

Answer:

Step-by-step explanation:

A = Surface area of the Earth = $1.5\times 10^8\ \text{km}^2$

Total number of people on Earth = 7.594 billion as of 2018 = $7.594\times 10^9$

We need to find the number of people living in each square km of land area.

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3 years ago

A book costs $3. Mr. Grayson spent $81 on books. The number of books, b, can be found by solving the equation 3b = 81. Which is

Andre45 [30]

Answer:

Using division equality property to solve for b. b=27

Step-by-step explanation:

A book cost $3

Mr. Grayson spent $81 on books

Let number of books be b

Total cost invest on book = 3b

This would be equal to $81

Therefore, 3b=81

Now we solve for b

Using division method of equality

If we divide both side by same number in equality.After division we get both are equal .

3b=81

Here we divide by 3 both sides

3b÷3=81÷3

b=27

Thus, Using division equality property to solve for b. b=27

7 0

3 years ago

Read 2 more answers

Can somebody number the problem and work it out for me thanks and btw it’s solving system by graphics

adoni [48]

Answer:

Solutions are (3,1) and (4,2)

Step-by-step explanation:

Graph is shown in the attached sheet

Given are two systems of equations and we have to solve them using graph

For graphing let us first prepare table for x and y.

1) $y=\frac{-2x}{3} +3:\\y=2x-5$

I line II line

x 0 4.5 3 x 0 2.5 3

y 3 0 1 y -5 0 1

The two lines intersect at (3,1)

Hence solution is (3,1)

--------------------------------------------

2) $y=\frac{x}{2} \\-6x+3y=-18$

I line II line

x 0 2 4 x 0 6 4

y 0 1 2 y 3 0 2

The two lines intersect at (4,2)

Hence solution is (4,2)

3 0

3 years ago