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3 years ago

Find the measure of each interior angle in a regular 18-gon

Mathematics

1 answer:

EastWind [94]3 years ago

5 0

Answer:

A polygon with 18 sides has 18 interior angles. Therefore, to find the measure of one of these angles, divide the sum by 18. Answer: Each angle is 160 degrees.

Step-by-step explanation:

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Please tell me please

Dmitry_Shevchenko [17]

Answer: 35%

Step-by-step explanation:

20 bars

7 unshaded - not installed

7/20 = 0.35 = 35%

8 0

3 years ago

X^2 + 1/2x + = 2 + Help please

Gennadij [26K]

Answer:

Step 2:

For Completing the square,

$(\frac{1}{2} coefficient\ x)^{2} =(\frac{1}{2}\times \frac{1}{2})^{2}=\frac{1}{16}$

Add half coefficient of x square on both the side we get

$x^{2}+\dfrac{x}{2}+\frac{1}{16}=2+\frac{1}{16}$

Step-by-step explanation:

Solve:

$2x^{2}+x-4=0$

$2x^{2}+x=4$

Solution:

Step 1:

Dividing both the side by two we get

$x^{2}+\dfrac{x}{2}=2$

Step 2:

For Completing the square,

$(\frac{1}{2} coefficient\ x)^{2} =(\frac{1}{2}\times \frac{1}{2})^{2}=\frac{1}{16}$

Add half coefficient of x square on both the side we get

$x^{2}+\dfrac{x}{2}+\frac{1}{16}=2+\frac{1}{16}$

Step 3:

We know $(a +b)^{2} = a^{2}+2ab +b^{2}$

$(x+\frac{1}{4})^{2}=\frac{33}{16} \\ \\(x+\dfrac{1}{4})=\pm \sqrt{\dfrac{33}{16}} \\\\x=-\dfrac{1}{4}\pm \sqrt{\dfrac{33}{16}}$

6 0

4 years ago

I need help with this!! I need to solve it using order of operations

taurus [48]

The answer to number 1 is 16, because it the equation would be simplified to this...

32 + 4 - 20 = 36 - 20 = 16

The 3rd answer is 551...

(-125+11)(-5)-19=579-19=551

The 5th answer is 29383...

-17×1728=29383...

Hope this helps!!!

4 0

3 years ago

I have a question for special product patterns. It is in the attached image.

anastassius [24]

Its answer 3 because they are the only difference with two squared numbers

7 0

3 years ago

Find the missing value when given the modulus. 2. (picture) (in the third quadrant)

wolverine [178]

Hello, Kana back on for some more questions! :3
let's see what you have now...
what are these questions ._. ...I can't understand hmmm...

Firstly, do you know what the | a - i | stands for? and are you trying to divide?

4 0

3 years ago

Read 2 more answers