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1 year ago

Geometry question, I need help with this.

Mathematics

1 answer:

yaroslaw [1]1 year ago

7 0

<u>1st transformation:</u> A vertical translation of the figure down by 8 units

<u>2nd transformation: </u>Shows a reflection on both axis and vertical translation up the plane by 8 units

<h3>Transformation of coordinates</h3>

Transformation is a way of changing the position of an object on an xy-plane.

For the translation

(x, y)-> (x, y-8)

It shows a vertical translation of the figure down by 8 units while the translation;

(x, y - 8) -> (-x, -y)

shows a reflection on both axis and vertical translation up the plane by 8 units

Learn more on transformation here: brainly.com/question/1462871

#SPJ1

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Triangle ABC , m∠A=45° and c = 16, find b.

zmey [24]

Using the cosine function:

$\begin{gathered} \cos (\theta)=\frac{_{\text{ }}adjacent}{_{\text{ }}hypotenuse} \\ so\colon \\ \cos (45)=\frac{b}{16} \end{gathered}$

Solve for b:

$\begin{gathered} b=16\cdot\cos (45) \\ b=8\sqrt[]{2} \end{gathered}$

5 0

1 year ago

There are 32 students in a class. Of the class, 3/8 of the students bring their own lunches. How many students bring their lunch

OverLord2011 [107]

Answer:

The number of students that bring their lunches is 12

Step-by-step explanation:

Let

x -----> the number of students that bring their lunches

y -----> the total number of students in a class

we know that

The number of students that bring their lunches divided by the total number of students in a class must be equal to 3/8

$\frac{x}{y}=\frac{3}{8}$

$x=\frac{3}{8}y$ -----> equation A

$y=32$ -----> equation B

substitute the value of y in equation A and solve for x

$x=\frac{3}{8}(32)$

$x=12$

therefore

The number of students that bring their lunches is 12

6 0

3 years ago

Quadrilateral EFGH was dilated by a factor of 3. What is FG F'G'

Nikolay [14]

The coordinates would be multiplied by 3, as the scale factor is 3, and it is a dilation, so we know the size increases.

7 0

3 years ago

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25% $760 what's the answer

Semenov [28]

The answer would be $190

5 0

3 years ago

Determine the value of Y.

aleksandr82 [10.1K]

Answer:

y=10°

Step-by-step explanation:

Here,

→(3x+18)°=(5x-4)°

→18°+4°=5x-3x

→22°=2x

→x=11°

Also,

3(4y+3)°+5x-4°=180°[The sum of the linear pair is 180°]

12y+9°+5x-4°=180°

12y+5°+5×11°=180°

12y+5°+55°=180°

12y=180°-60°

12y=120°

y=120°/12

y=10°

7 0

1 year ago

Read 2 more answers