If n is number of sides, then sum of internal angles of a polygon is:
A. n x 180
B. n/2 (180)
C. (n-1)×180
D. (n-2)×180

Answers

Answer 1

Answer:

D

Step-by-step explanation:

The answer is d using the internal angles sides formula.

Answer 2

Answer:

D. (n-2)×180

Step-by-step explanation:

Hope this helps


Related Questions

PLEASE HELP!! URGENT!! Rubi tosses a quarter off the Main Street bridge into the St. John's River. The distance, in feet, the quarter is above the water is modeled by the equation -16t^2+96t+112d ( t ) = − 16 t 2 + 96 t + 112, where t represents time in seconds. How much time does it take for the quarter to hit the water?

Answers

Answer:

5

Step-by-step explanation:

Briooooo wat is dis answer I need HELP

Answers

Answer:

Mehmed II

Step-by-step explanation:

Answer:

the second one

Step-by-step explanation:

You earn 5000 with a annual raise of 250, how much will you earn in 3 years?​

Answers

Answer:

5750

Step-by-step explanation:

5000+250=5250

5250+350=5500

5500+250=5750

What is the value of x? ​

Answers

Answer:

The value of x=27

Step-by-step explanation:

I think it 27 but I might be wrong

Eva took a taxi from her house to the airport. The taxi company charged a pick-up fee of $3.20 plus $3 per mile. The total fare was $33.20, not including the tip

Answers

Answer: 10 miles

Step-by-step explanation:

You can set this up as an equation where x will represent the number of miles charged. So if we know how much the pick up fee is, how much it is per mile and the total charge we can set up the equation as follows:

3.20 + 3x = 33.20

If we solve for x we will find out how many miles she traveled. So to do so we need to get x on one side and the other numbers on the other side of the equal sign. So to begin we'll subtract 3.20 from both sides:

3x = 30.00

and then divide both sides by 3:

x = 10

So she traveled 10 miles.

The Taxi ride was 10 miles.

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

We can set an equation where x will represent the number of miles charged. So, the total charge we can set up the equation as follows:

3.20 + 3x = 33.20

If we solve for x we will find out the miles she traveled.

Then subtract 3.20 from both sides:

3x = 30.00

then divide both sides by 3;

x = 10

Therefore, she traveled 10 miles.

Learn more about equations here;

https://brainly.com/question/25180086

#SPJ3

which function represents the data

Answers

There is nothing attached
Where is the photo????

Would a prism with a volume of 36 be the same if built with centimeter cubes, inch cubes, or foot cubes?

Answers

Answer:

Yes

Step-by-step explanation:

It is given that a prism is built that have a volume of 36.

Now if the prism is rebuild with either centimeter cubes or the inch cubes or foot cubes will have the same volume of 36 as the volume here is constant. The centimeter cubes used to build the prism will be smaller in size and will require more of the cubes to build the cube for a volume of 36.

Similarly, if we take inch cubes or the foot cubes, to build a prism having a volume of 36, we need to take less number of the cubes accordingly.

There are seven nickels and seven dimes in your pocket. You randomly pick a coin out of your pocket and place it on a counter.

Answers

Answer:

3/13

Step-by-step explanation:

Here is the full question

There are seven nickels and seven dimes in your pocket. You randomly pick a coin out of your pocket and place it on a counter. Then you randomly pick another coin. Find the probability that both coins are nickels.

Because there is no replacement, after you pick the first coin, the number of coins in your pocket becomes 13 and the number of nickels in your pocket becomes 6

probability that both coins are nickels = probability that the first coin is a nickel x probability second coin is a nickel

7/14 x 6/13 = 3/13

One of the legs of a right triangle measures 6 cm and its hypotenuse measures 10 cm. Find the measure of the other leg. If necessary, round to the nearest tenth.

Answers

Answer:

let base = 6cm

perpendicular =x cm

hypotenuse =10cm

by using Pythagoras law

hypotenuse ²=perpendicular ²+base²

10²=x²+6²

100-36=x²

x=√64=8cm

the measure of the other leg is 8cm

The measure of the other leg of the right triangle is equal to 8 cm.

Let the other leg of the right triangle be the opposite side.

Given the following data:

Adjacent = 6 cmHypotenuse = 10 cm

To find the measure of the other leg, we would apply Pythagorean's theorem:

Mathematically, Pythagorean's theorem is given by the formula;

[tex]Hypotenuse^2 = opposite^2 + adjacent^2[/tex]

Substituting the given parameters into the formula, we have;

[tex]10^2 = opposite^2+6^2\\\\100= opposite^2+36\\\\Opposite^2=100-36\\\\Opposite^2=64\\\\Opposite=\sqrt{64}[/tex]

Opposite = 8 cm

Read more: https://brainly.com/question/14930619

HELP ME PLSS BRAINIEST

Answers

(x-7)^2 = 12
Explaination: it’s the answer trust me on this one :D
I just need points but u already got ur answer so yeah have a nice day :)

The measures of the exterior angles of an octagon are x°, 2x°, 4xº, 5x°, 6x°, 8xº,
9x", and 10x°. Find the measure of the smallest exterior angle.

Answers

Answer:

Step-by-step explanation:

The sum of the measures of the exterior angles of a any polygon = 360.

So,  x + 2x + 4x + 5x + 6x + 8x + 9x + 10x = 360

        45x = 360

            x = 8°

The measure of the smallest exterior angle would be equal to

What is Octagon ?

In geometry, a Octagon is a eight - sided polygon. For a [n] sided polygon -

Sum of interior angles = (n - 2) × 180°Each interior angle of a regular polygon = [(n − 2) × 180°/n]Sum of exterior angles = 360°

According to the question, we have - A Octagon and the measures of the exterior angles of an octagon are x°, 2x°, 4x°, 5x°, 6x°, 8x°, 9x° and 10x°.

The sum of the exterior angles of the octagon will be 360°.

Therefore, we can write -

x + 2x + 4x + 5x + 6x + 8x + 9x + 10x = 360°

45x = 360°

x = 360/45

x = 8

The smallest exterior angle would be equal to [x]° =

Therefore, the measure of the smallest exterior angle would be equal to

To solve more questions on Polygons, visit the link below -

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-2x + 2y = 2 4x –4y= 4A.No solutionB.One solution: x = _____ y = ___C.Infinitely many solutionsBONUS: A customer at a concession stand bought 2 boxes of popcorn and 3 drinks for $12. Another customerbought 3 boxes of popcorn and 5 drinks for $19. How much does a box of popcorn cost? _____________How much does a drink cost?__________________

Answers

Answer:

See answers below

Step-by-step explanation:

1) Given the simultaneous equation;

-2x + 2y = 2 .... 1  * 2

4x –4y= 4...2 * 1

____________

-4x + 4y = 4 .... 1

4x –4y= 4...2

Add both equations

4y-4y = 4-4

0y = 0

y = 0/0

Let x = k

Substitute x = k into 1

From 1: -2x + 2y = 2

-x+y = 1

-k + y = 1

y = 1+k

Hence the solution to the system of equation (x, y) is (k, 1 + k) where k is any integer.

The presence of k shows that the equation has many solutions since k can take any value

2) Let a box of popcorn be x

Let the cost of a drink be y

If a customer at a concession stand bought 2 boxes of popcorn and 3 drinks for $12, then;

2x + 3y = 12 ... 1

Also, if another customer bought 3 boxes of popcorn and 5 drinks for $19, then;

3x + 5y = 19 ...2

Solve 1 and 2 simultaneously

2x + 3y = 12 ... 1  * 3

3x + 5y = 19 ...2  * 2

_________________

6x + 9y = 36  

6x + 10y = 38

Subtract

9y - 10y = 36 - 38

-y = -2

y = 2

Recall that 2x + 3y = 12

2x + 3(2) = 12

2x + 6 = 12

2x = 12-6

2x = 6

x = 6/2

x= 3

Hence a box of popcorn cost $3 and a drink cost $2

need to pass this class please help!

Answers

Answer:

a=65

Step-by-step explanation:

in a right angle theres 90 degrees.

90-25=65

That’s a complementary angle. Which means it adds up to 90 degrees. So to find the missing angle. Take what you have for both angles and add them up to equal 90 degrees:
25+a=90
a=65
Now to double check if the two angles add up to 90 degrees:
25+65=90
65 is the missing angle

x2 - x - 72
Factor the time

Answers

Answer:

i dont know

Step-by-step explanation:

Answer:

(x - 9)(x + 8)

Find the measure of the missing angle *

Answers

Answer:

≈ 49.9° and ≈ 71.0°

Step-by-step explanation:

Using the sine ratio in the right triangle

sin? = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{13}{17}[/tex] , then

? = [tex]sin^{-1}[/tex] ([tex]\frac{13}{17}[/tex] ) ≈ 49.9° ( to the nearest tenth )

----------------------------------------------------------------

Using the cosine ratio in the right triangle

cos? = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{14}{43}[/tex] , then

? = [tex]cos^{-1}[/tex] ([tex]\frac{14}{43}[/tex] ) ≈ 71.0° ( to the nearest tenth )

Jack earned $ 172,874 in 6 months. On an average, about how much did he earn each month?

Answers

Answer:

172,872÷6=28,812.33 I believe this is the answer

a^2-36=5a

A. {4,-9}
B. {5+√61/2, 5-√61/2}
C. No solution
D. {9,-4}

Answers

Answer:

D

Step-by-step explanation:

Given

a² - 36 = 5a ( subtract 5a from both sides )

a² - 5a - 36 = 0

Consider the factors of the constant term (- 36) which sum to give the coefficient of the a- term (- 5)

The factors are - 9 and + 4 , since

- 9 × + 4 = - 36 and - 9 + 4 = - 5 , then

(a - 9)(a + 4) = 0 ← in factored form

Equate each factor to zero and solve for a

a - 9 = 0 ⇒ a = 9

a + 4 = 0 ⇒ a = - 4

solution is { - 9, 4 } → D


Which section of the graph is decreasing?

Answers

Answer:

I would go with answer B

Step-by-step explanation:

The starting of the decreasing is B and slowly decreases down to C

does anyone know the answers

Answers

Answer:
The first, and fourth, both have a variable that was either squared or cubed.

Explanation:
The second, doesn’t have any exponents at all, and niether do the third or fifth.
And the sixth, isn’t to the power of 3,(cubed) Its to the power of four.


Hope this helps.

What’s 3 square root of 8

Answers

Answer:

2

Step-by-step explanation:

[tex]\sqrt[3]{8} = 2[/tex]

Answer:

2

Step-by-step explanation:

THE answer is 2

2cube

=2x2x2

=8

If measures of two diagonals are given then we can construct a?​a. rhombus b .rectangle c. kite d. parallelogram​

Answers

Answer:

212121

Step-by-step explanation:

21121212

I believe it is D. Parallelogram

I am not sure why, but I think it’s that a parallelogram has diagonals of equal length on opposite sides, hence “parallelogram”.
Knowing any two (out of the four) sides of a parallelogram, the other sides can be drawn accurately.

If you have questions, ask away! (I’ll respond asap.)
Good luck!

1) The base of a 10-ft ladder stands 6 feet from the base of a house. Will the ladder reach 7 feet
high? Justify your answer.
10 ft
6 ft

Answers

phytagoras theorem
a^2 + b^2 = c^2
where c is the hypotenuse; angle between a and b is 90 degrees.
In this case, c = 10 ft
Say a = 6 ft
then find b
6^2 + b^2 = 10^2
b^2 = 100 - 36 = 64
b = 8 ft
So yes, it will reach over 7 feet

Solve for (3x-7b)+(2b+2x)=12b

Answers

Answer:

solve for x: x = 17b/ 5

Solve for b: B= 5x/ 17

hope this helps :)

Simplify. (4n^2−5n+6)+(2n^2−3n−4)

6n^2+2n−2
6n^2−8n+2
6n^2+8n+10
6n^4−8n^2+2

Answers

Answer:

6n^2-8n+2

Step-by-step explanation:

(4n^2-5n+6)+(2n^2-3n-4)

4n^2+2n^2-5n-3n+6-4

6n^2-8n+2

Answer:

6n^2-8n+2

Step-by-step explanation:

cuz I’m smart

Worth lots of points
What is the rule for the following geometric sequence? 64, -32, 16, -8
A: an=32(-1/2)^n-1
B:an=32(2)^n-1
C:an=32(1/2)^n-1
D:an=32(-2)^n-1

Answers

Answer:
Correct answer: aₙ = a₁ · 2ⁿ⁻¹
Step-by-step explanation:
Given: Geometric sequence
64, 128, 256, 512, .....
First term a₁ = 64
Second term a₂ = a₁ · 2 = 128
Third term a₃ = a₂ · 2 = a₁ · 2² = 256
Fourth term a₄ = a₃ · 2 = a₁ · 2³ = 512
...................................................
n - th term aₙ = a₁ · 2ⁿ⁻¹
God is with you!!!

Nirvany went on a 65,000 m hike. She divided the distance traveled evenly over 5 days. Approximately how many miles did Nirvany walk each day?

Answers

Answer:

13000m

Step-by-step explanation:

Given data

Total distance travelled=  65,000

Number of days= 5 days

Hence the distance covered per day is

= 65,000/5

=13000m

Therefore the distance covered per day is 13000m

Find the coordinates of the circumcenter of the triangle with the vertices A (4, 12), B (14, 6), and C (-6, 2)

Answers

Answer:

Step-by-step explanation:

Determine the perpendicular bisector of AB:

Slope of AB = (12-6)/(4-14) = -0.6

Midpoint of AB: ((4+14)/2, (12+6)/2) = (9, 9)

Perpendicular bisector: y = -0.6x + 14.4

Determine the perpendicular bisector of AC:

Slope of AC = (12-2)/(4+6) = 1

Midpoint of AC: ((4-6)/2, (12+2)/2) = (-1, 7)

Perpendicular bisector: y = x + 8

Circumcenter is the intersection of the perpendicular bisectors.

x + 8 = -0.6x + 14.4

1.6x = 6.4

x = 4

y = x + 8 = 12

(4,12)

If the diameter of brenda's bicycle wheel is 26 inches,Approximately how many inches are there in the circumference of the wheel ?

Answers

Answer:

81.692in

Step-by-step explanation:

Given data

Diameter =26in

Radius = 12in

The expression for the circumference is given as

Circumference = 2πr

Substitute

C=2*3.142*13

C=81.692in

Hence the circumference is 81.692in

Pls need help thank you

Answers

Answer:

∠POM and ∠POR

Step-by-step explanation:

Step-by-step explanation:

angle POM and angle QRT

ms tyc does yoga. she worked out a total of 255.5 minutes last week.she exercised 7 days.how many minutes does she exercise each day?

Answers

Answer:

36.5

Step-by-step explanation:

255.5/7 = 36.5

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