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Alik [6]
3 years ago
15

If you reflect triangle MOV across the x-axis, what is the coordinate of O in the image?

Mathematics
2 answers:
solniwko [45]3 years ago
5 0

Answer:

3. (-4, 2)

Step-by-step explanation:

When a point is reflected along x axis the point (x,y) is reflected to the

(x,-y).

In the figure point O has the coordinates (-4,-2).When it is reflected along x axis the x value remains same and the y valus changes its sign .The coordinates of the reflected point is (-4,2) The x ordinate remains -4 while -2 becomes +2.

The option 3. (-4, 2)  is the right answer.

Zina [86]3 years ago
4 0

Hi,

The answer you are looking for is 2. (-4,2)

Have a great day & remember to mark brainliest if I helped :)

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Please answer this question now
liubo4ka [24]

Answer:

541.67m²

Step-by-step explanation:

Step 1

We find the third angle

Sum of angles in a triangle = 180°

Third angle = Angle V = 180° - (63 + 50)°

= 180° - 113°

Angle V = 67°

Step 2

Find the sides x and v

We find these sides using the sine rule

Sine rule or Rule of Sines =

a/ sin A = b/ Sin B

Hence for triangle VWX

v/ sin V = w/ sin W = x / sin X

We have the following values

Angle X = 50°

Angle W = 63°

Angle V = 67°

We are given side w = 37m

Finding side v

v/ sin V = w/ sin W

v/ sin 67 = 37/sin 63

Cross Multiply

sin 67 × 37 = v × sin 63

v = sin 67 × 37/sin 63

v = 38.22495m

Finding side x

x / sin X= w/ sin W

x/ sin 50 = 37/sin 63

Cross Multiply

sin 50 × 37 = v × sin 63

x = sin 50 × 37/sin 63

x = 31.81082m

To find the area of triangle VWX

We use heron formula

= √s(s - v) (s - w) (s - x)

Where S = v + w + x/ 2

s = (38.22 + 37 + 31.81)/2

s = 53.515

Area of the triangle = √53.515× (53.515 - 38.22) × (53.515 - 37 ) × (53.515 - 31.81)

Area of the triangle = √293402.209

Area of the triangle = 541.66614164081m²

Approximately to the nearest tenth = 541.67m²

5 0
4 years ago
The midpoint of AB is M(3,1).If the coordinates of A are (8,4) what are the coordinates of B
gulaghasi [49]

Answer:

The coordinates of B are (-2 , 9)

Step-by-step explanation:

A (8, 4)

M (3 , -1)

To calculate a midpoint you have to add the corresponding coordinates of each point and divide them by 2

(Ax + Bx) / 2 = Mx

(8 + Bx) / 2 = 3

8 + Bx = 3 * 2

Bx = 6 - 8

Bx = -2

(Ay + By) / 2 = My

( -1 + By) / 2 = 4

-1 + By = 4 * 2

By = 8 + 1

By = 9

The coordinates of B are (-2 , 9)

4 0
4 years ago
If you can help with any of these two or both that would be great ! :) <br> thanks
Vladimir [108]

Answer:

hmmm not sure

Step-by-step explanation:

try mulitply the numbers

7 0
3 years ago
What is the value of the underline digit?<br><br> 14.097
weqwewe [10]

Answer:14.097

Step-by-step explanation:

6 0
3 years ago
A total of 234 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student t
lorasvet [3.4K]
234 = a + s                                                       s = students       a = adults
2a = s
after you get the equations you solve. plug 2a into the above equation.
so u get 
234 = a + 2a 
234=3a then divide 3 from each side
78 = a
so 78 adult tickets were sold

3 0
4 years ago
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