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IrinaK [193]
3 years ago
6

I need help ASAP on this math question first one to answer get marked brainliest

Mathematics
2 answers:
kvv77 [185]3 years ago
4 0

Answer and Step-by-step explanation:

First, you want to graph the line of x = -1. This line is simply a vertical line running through (-1, 0).

The coordinates of each of the points are:

G(5, 9)

F(8, 9)

D(5, 6)

E(8, 6)

When we reflect point G over the line x = -1, we will get a point with the same y-coordinate, but with a different x-coordinate. Since 5 is 6 units away from -1, when you reflect G, the new x-coordinate will be -1 - 6 = -7. So, the new point for G is (-7, 9).

By similar reasoning for all the other points, we have:

F'(-10, 9)

D'(-7, 6)

E'(-10, 6)

Finally, just graph the points G'(-7, 9), F'(-10, 9), D'(-7, 6), and E'(-10, 6), and that's your new shape.

Hope this helps!

dlinn [17]3 years ago
4 0

Answer:

D': (-7,6)

E': (-10,6)

F': (-10,9)

G': (-7,9)

Step-by-step explanation:

D: (5,6)

E: (8,6)

F: (8,9)

G: (5,9)

After reflection in x = -1

D': (-1-6,6)

E': (-1-9,6)

F': (-1-9,9)

G': (-1-6,9)

D': (-7,6)

E': (-10,6)

F': (-10,9)

G': (-7,9)

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The vertices of a right triangle are (0, 0), (1, 0), and (0, 1).
Alchen [17]

Answer:

(3,3)

Step-by-step explanation:

Given

Vertices: (0,0)\ (1,0)\ (0,1)

Scale\ Factor = 3

Required

Determine which can't be any of the new vertices

First, we need to determine the new vertices:

New\ Vertex = Scale\ Factor * Old\ Vertex

For (0,0):

New\ Vertex = 3 * (0,0)

New\ Vertex = (3 * 0,3 * 0)

New\ Vertex = (0,0)

For (1,0):

New\ Vertex = 3 * (1,0)

New\ Vertex =  (3 * 1,3 * 0)

New\ Vertex =  (3,0)

For (0,1):

New\ Vertex =  3 * (0,1)

New\ Vertex =  (3 * 0,3 * 1)

New\ Vertex =  (0,3)

<em>Comparing the calculated new vertices to the list of given options; (3,3) can't be any of the new vertices of the new triangle</em>

<em></em>

5 0
4 years ago
Marissa painted 1/2 of her bedroom and 3/4 ton an hour at this rate how long would it take her to paint the entire room A. 3/ 8
Nikitich [7]

Answer:

A. 3/8 of an hour

Step-by-step explanation:

if she is not a slacker

7 0
3 years ago
!!!Please help will give the brainliest, and please do not put in a silly answer because you want some points or I will report y
Amanda [17]

Answer:

In short, they are all quadrilaterals.

Step-by-step explanation:

<u>Rectangle:</u>

- Every angle equals 90 degrees

- Opposite sides are equal and parallel

<u>Square:</u>

- Every angle equals 90 degrees

- Opposite sides are equal and parallel

- Diagonals within the square are perpendicular

<u>Parallelogram:</u>

- Opposite sides are equal and parallel

- Opposite angles are equal

- Any two angles next to each other have to equal 180 degrees, since it would be a line

<u>Rhombus:</u>

- Opposite angles are equal

- All sides are equal

- Opposite sides are parallel

- Diagonals within the square are perpendicular

- Any two angles next to each other have to equal 180 degrees, since it would be a line

<u>Trapedzoid:</u>

- There is only one pair of parallel lines

<u>Kite:</u>

- There are two pairs of equal signs

- There are two equal angles

- You can look at it like two equal triangles glued together

Really hope this helped you!

7 0
3 years ago
PLEASE HELP QUICKLY<br> What is the value of y
zepelin [54]

Answer:

y = 8 degrees

Step-by-step explanation:

128 + 7y - 4 = 180

7y - 4 = 52

7y + 56

y = 8

7 0
3 years ago
Help me check my answer!
astra-53 [7]

Step-by-step explanation:

ah, here you go.

come on, now. you know this now ...

again, mutually exclusive attributes in the table (no overlap here) allow us to add the numbers for a total :

4+2+12+10 = 28 students in total.

how many of those 28 fulfill our desired criteria (has a brother) ?

well, it is the sum of the column "has a brother", as it does not matter, if there is also a sister or not.

so, it is 4 + 12 = 16

therefore, the probability to pick a student randomly, who has a brother is

16/28 = 4/7 = 0.571428571...

5 0
2 years ago
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