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wlad13 [49]
3 years ago
13

What is the value of x?

Mathematics
1 answer:
Lena [83]3 years ago
8 0

Answer:

We know that the internal bisector of an angle of a triangle divides the opposite side in the ratio of the sides containing the bisected angle.

Step-by-step explanation:

We know that the internal bisector of an angle of a triangle divides the opposite side in the ratio of the sides containing the bisected angle.

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(4y + 3)<br> (5x - 7)<br> (3x + 17°<br> X= ,y= ,
Kryger [21]

Answer:

Simplifying

4y + 3 = 5x + -7 + 3x + 17

Reorder the terms:

3 + 4y = 5x + -7 + 3x + 17

Reorder the terms:

3 + 4y = -7 + 17 + 5x + 3x

Combine like terms: -7 + 17 = 10

3 + 4y = 10 + 5x + 3x

Combine like terms: 5x + 3x = 8x

3 + 4y = 10 + 8x

Solving

3 + 4y = 10 + 8x

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-3' to each side of the equation.

3 + -3 + 4y = 10 + -3 + 8x

Combine like terms: 3 + -3 = 0

0 + 4y = 10 + -3 + 8x

4y = 10 + -3 + 8x

Combine like terms: 10 + -3 = 7

4y = 7 + 8x

Divide each side by '4'.

y = 1.75 + 2x

Simplifying

y = 1.75 + 2x

<h2>i hope that helps </h2>

4 0
3 years ago
There are 30 students in mrs.jones class.twenty percent of the students received an a on the last math test. how many students r
noname [10]
6 students received an A.
30 multiplied by .2 (you change percent to decimal) is 6.
6 0
4 years ago
An 8-sided die is formed when two square pyramids are attached by their bases. The perimeter of the base shape is 6 centimeters.
lawyer [7]

Answer:

7.5cm²

Complete question:What is the surface area of the 8-sided figure?

Step-by-step explanation:

Consider the half of the 8-sided die i.e the pyramid ABCDE:

As the base is 6 of the perimeter, so each side of the base is 6/4=3/2

Now, the distance between the tallest points is 2 cm, so the height of Pyramid ABCDE is 1 cm.

Considering the right triangle EOM:

EO=1, OM= 3/4 (it is half of AB=3/2) and EM is the hypothenuse, so by the pythagorean theorem length of EM is 

\sqrt{1+ ( \frac{3}{4} )^{2} }=  \sqrt{1+ \frac{9}{16} }= \sqrt{ \frac{25}{16} }= \frac{5}{4}   (cm)

5. So side EBC has area  

\frac{1}{2}BC*EM=  \frac{1}{2}* \frac{3}{2}* \frac{5}{4}= \frac{15}{16}

6. The total area is 8*Area(EBC)=8* \frac{15}{16}= \frac{15}{2}=7.5 ( cm^{2} )

3 0
3 years ago
I need this quickly:)
Vladimir [108]

Answer: r \leq 5

Step-by-step explanation: If you need it quick then no explanation, but brainliest please?

7 0
3 years ago
Consider this composite figure that is made of two half spheres a cylinder. A composite figure is comprised of one cylinder and
Keith_Richards [23]

Answer:

c

Step-by-step explanation:

trust

7 0
3 years ago
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