Find the sum of the interior angles of a polygon with 20 sides

Answers

Answer 1

Answer:

3240°

Step-by-step explanation:

The sum of the interior angles of a polygon is found by (n-2)(180) where n is the number of sides so (20-2)(180) = (18)(180) = 3240°


Related Questions

i will give u brianliest! pls help

Answers

I’m C. 2 27/50 If u search up the fraction calculator it can explain how to get the answer... Hope this helps!!! :)

Which of the following points is between 2 and 3 on the number line?

Answers

Answer:

2.5

Step-by-step explanation:

Answer:

Any number between 2 and 3

Step-by-step explanation:

Possible numbers: 2.1, 2.2, 2.3, 2.5, 2.6, 2.7, 2.8, 2.9

I believe 2 and 3 would count too.

Vanessa owns a café that serves breakfast and lunch. She uses fresh produce in her recipes and wants
to make sure she is pricing her menu items appropriately. Therefore, Vanessa researches the costs of
various fruits and vegetables. The table below shows the cost for various amounts of apples.

Number of Apples
12
24
36
48
60
Cost (in dollars)
3
6
9
8
10
Is the relationship between the cost and quantity of apples proportional? Explain.

Answers

Answer:

No.

Here's the break why it is not proportional...

[tex]3*4 = 12\\6*4=24\\9*4=36\\8*6=48\\10*6=60[/tex]

The proportion breaks near the end because the multipliers no longer match.

Answer:

It is not proportional

Step-by-step explanation:

12 apples=$3                 60 apples=$10

/3               /3    But...     /10                /10

4 apples=$1                    6 apples=$1

The price went down so it's not proportional

Caleb invested

$

1400

$1400 in an account that pays 4% interest compounded annually. Assuming no deposits or withdrawals are made, find how much money Caleb would have in the account 7 years after his initial investment. Round to the nearest tenth (if necessary)

Answers

The amount of money Caleb would have in his account after the inital investment is  $1,842.30.

What is the future value of the investment?

The formula for calculating future value:

FV = P (1 + r)^n

FV = Future value P = Present value R = interest rate N = number of years

$1400 x (1.04)^7 = $1,842.30

To learn more about future value, please check: https://brainly.com/question/18760477

Find the next two terms in the sequencej

Answers

Answer:

7,5

Step-by-step explanation:

1 4

2 5

3 6

4 7

5

u can see the sequence

19) Write all the integers between –5 and 4 in decreasing order.​

Answers

Answer:

See below.

Step-by-step explanation:

We are asked for all of the integers between -5 and 4 in decreasing order. (Highest to Lowest)

What are Integers?

Integers are whole numbers that can be positive or negative.

Integers are Not:

Irrational.Fractions.Decimals.Percentages.

Integers -5 ≤ x ≤ 4 are:

4, 3, 2, 1, 0, -1, -2, -3, -4, -5.

(0 is also an Integer)

how many vertices does a rectangular prism have?
a. triangular prism
b. triangular pyramid
c. rectangular prism
d. rectangular pyramid​

Answers

Answer:

"if tom had a cube a rectangular prism and a triangular prism, then the cube has 8 vertices, a rectangular prism has 5 vertices."

What the value of the X?

Answers

Answer: 131

Step-by-step explanation:

Vertical angles are congruent.

What is simplest form? Explain to me.

Answers

Answer: The simplest form of a fraction is when the numerator and denominator of the fraction are relatively prime, which means that the numerator and denominator have no common factor.

Find the distance between the lines with equations 7x - 5y + 4 = 0 and y = 7/5x - 10

a.6.3

b.6.28

c.6.29

d.6.31

Answers

It’s 6.3 cause you add the two number

Twice a number plus 4 is the product of 4 and a number

Answers

Answer:

2n + 4 = 4n

Step-by-step explanation:

Twice a number n → 2 · n = 2n

Twice a number n plus 42n + 4

The product of 4 and a number n4 · n

Twice a number n plus 4 is the product of 4 and a number n2n + 4 = 4n

find the specified nth term of each arithmetic sequence
solve 5,11,17,...​

Answers

Answer:

Step-by-step explanation:

Common difference = 2nd term - 1st term = 11 - 5 = 6

a = 5

nth term = a + (n-1)d

               = 5 +( n-1) * 6

              = 5 + 6n - 6

             = 5 - 6 + 6n

              = 6n - 1

Answer:

11

Step-by-step explanation:

One rental car has a daily fee of $27 and a charge of $0.15 per mile. A second car has a daily fee of $19 and a charge of $0.23 per mile. How many miles must be driven for the the price of the rentals to be the same?​

Answers

Answer 7.92

first add 27 in 0.15 then your total will be 27.15



Help thank u!

A car dealer bought a car for $1500 at an auction and then sold it for $3500. What was the percent gain on the cost?

Answers

Answer:

133

Step-by-step explanation:

$3500 - $1500 = $2000

2000/1500 ×100

=1.33 × 100

=133%

help its math ik u like math

Answers

Answer:

141.625

Step-by-step explanation:

[tex] \: \: 141.625\\ 32 \sqrt{4532} \\ - 32 \\ - - - - - \\ \: \: \: \: 133 \\ - 128 \\ - - - - - - \\ \: \: \: \: \: \: \: \: \: \: 52 \\ \: \: \: \: \: \: - 32 \\ - - - - - - \\ \: \: \: \: \: \: \: \: \: 200 \\ \: \: \: \: \: - 192 \\ - - - - - - \\ \: \: \: \: \: \: \: \: \: \: \: \: 80 \\ \: \: \: \: \: \: \: \: - 64 \\ - - - - - - \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: 160 \\ \: \: \: \: \: \: \: \: \: \: \: \: - 160 \\ - - - - - - - \\ \: \: \: \: \: \: \: \: \: \: \: 0[/tex]

Answer: quotient is 20 up top number is

141 (R 20)

Step-by-step explanation:

Drop the three and you have 133.

What times 32 is 133

32 times four is 128

Now do 133 - 128 = 5

Drop the 2

What times 32 is 52

Well times two is 64 so it has to be times1

Now you have 52 - 32 to get your quotient of 20

Graph y = 1/2cosπx
[tex] \\ \\ [/tex]

Answers

How to do?

First graph cosine function

y=cosx(Attachment 1)

Now increase it's frequency by π

y=cosπx(Attachment 2)

Half the amplitude

y=1/2cosπx(Attachment 3)

Question 7 of 10
Consider the inequality 3 (-1-2) <-26 – 3.3.
The solution set of the inequality is:
Select one
The graph of the solution set is
Select one


Pleaseen help meee
Ayudenmee

Answers

Answer:

   203

 ———  < 0  

    10  

Step-by-step explanation:

Changes made to your input should not affect the solution:  

(1): "3.3" was replaced by "(33/10)".

Rearrange the equation by subtracting what is to the right of the greater than a sign from both sides of the inequality :

               3*(-1-2)-(-26-(33/10))<0

                  33

Simplify   ——

                  10

                   33

 -9 -  (-26 -  ——)  < 0  

                    10

Subtracting a fraction from a whole

Rewrite the whole as a fraction using  10  as the denominator :

           -26     -26 • 10

    -26 =  ———  =  ————————

            1         10    

Equivalent fraction: The fraction thus generated looks different but has the same value as the whole

the Common denominator: The equivalent fraction and the other fraction involved in the calculation share the same denominator

Adding up the two equivalent fractions

Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

         -26 • 10 - (33)                        -293

———————————————  =  ————

               10                                        10

           -293

 -9 -  ————  < 0  

              10

Subtracting a fraction from a whole

Rewrite the whole as a fraction using  10  as the denominator :

             -9              -9 • 10

    -9 =  ——  =  ———————

              1                     10  

Adding up the two equivalent fractions

        -9 • 10 - (-293)                           203

————————————————  =  ———

              10                                           10

   203

  ———  < 0  

    10  

Can anybody help me please with question 1 please and thank you .I would really appreciate it so much. Please

Answers

Answer:

1. and 2. Reason) Given

3. Statement) Angle ABD is congruent to CBD

4.) BD is congruent to BD

5.) ΔDAB is congruent to ΔDCB due to SAS

A quadrilateral PQRS has vertices located at P(-1,5), Q(-3, 2), R(6,2), and S(8,5). Shane thinks that QR = SP. Which of the
following is true?

Answers

Answer:

QR does indeed = SP

Step-by-step explanation:

What is (-i)^6? If you can assisy

Answers

Answer:

-1

Step-by-step explanation:

Solve for m.

5m+72=−2m+52

Drag and drop the answer into the box.

A. -1
B. -1/7
C.6/7
D.7

Answers

Answer: I tried it and my answer was not an option, I got -1/3 sorry

Step-by-step explanation:

I got -20/7. I am sorry .

Pls answer the question attached.
I WILL MARK U BRAINLIST

Answers

Answer:

(a - 2b - 3c)(a - 2b + 3c)

Step-by-step explanation:

a² + 4b² - 4ab - 9c²

= (a - 2b)² - 9c² ← difference of squares which factors in general as

a² - b² = (a - b)(a + b) , then

(a - 2b)² - 9c²

= (a - 2b)² - (3c)²

= (a - 2b - 3c)(a - 2b + 3c)

2(x − 3) = 14 what does x equal

Answers

Answer:

28x--84


hope this helps, have a great day

Step-by-step explanation:

Answer:

x=10

Step-by-step explanation:

2(x − 3) = 14

2x+2 . -3 = 14

2x-16=14

2x-6+6=14+6

2x=14+6

2x=20

divide both sides by 2

Help, please. A museum charges a $6 admission fee for every person (btw there's 4 people). Write an equation to represent the relationship between the number of people x, and the total collected, y.

Answers

Answer:

y = 6x

Step-by-step explanation:

if its $6 per person, each new person is gonna chagre $6

3 ways to make whole 2.8

Answers

Step-by-step explanation:

please mark me as brainlist please

Answer:

2.8 as a whole is 2 4/5. Take out the fraction, 4/5.2.8 can also be 28/10 which is the improper number of 2 8/10.2.8 can also be simplified to 1.4, 1.4 is 1 2/5.

please consider brainliest

Check picture for question.

Answers

Answer:

∠A + ∠B = 180

20 + ∠B = 180

-20     -20

∠B =  160

Emily belongs to an
Internet music service that charges $5.99 per month
and $0.89 per song. Write and solve an equation to
find the total amount Emily spends if she downloads
10 songs this month.

Answers

Answer:

C = 0.89n + 5.99 Original equation

= 0.89(10) + 5.99 Substitute 10 for n.

= 8.90 + 5.99 Multiply.

= $14.89

hi i need help on this one problem i’m not completely understanding what to do or what the answer is!!

Answers

Answer:

1 is function and 2 is not function.

Step-by-step explanation:

If a linear equation has one output for ever input it is a function. if you give a inout and you get two outputs, it is not a function. the input or x value is called domain and the output or y value is range.

Answer:

Step-by-step explanation:

Starting at 0:8 for every time the x(or the 0) changes up by 1 the y(or the 8) goes down by one

do that with the other  but look how the 4:11/12 is diff form the others. This usually means thar is is a pattern so it should look like

3:10

4:11/12

5:13

6:14

7:15/16

8:17

CAN SOMEONE PLS HELP ME, I WILL GIVE BRAILIEST.

Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.
Match the expressions given in words with their values when d = 3.


2
1
4
3
0


the difference of 2 times d minus 3

4 added to the difference of d minus 3

the difference of d minus 3 divided by 2

the quotient of 12 divided by the
difference of 3 times d minus 3

Answers

Answer:

the difference of 2 times d minus 3= 6

4 added to the difference of d minus 3= 4

the difference of d minus 3 divided by 2= 0

the quotient of 12 divided by the difference of 3 times d minus 3= 2

Step-by-step explanation:

2 times 3 equals 6. 3 minus 3 equals 0. 6-0=6

d minus 3 equals 0. 4+0 equals 4

3 minus d equals 0. 0 divided by two is 0

3 times d= 9. minus 3 = 6. 12 divided by 6 = 2

hope this helps! (:

Plz help witch of the following is equal to 4 and 1/2 divided by 2 and 2/3
A.4 and 1/2 times 2 and 3/2
B.9/2 times 8/3
C.9/2 times 3/8
D.41/2 times 3/22
there is a screenshot if u need it

Answers

It is the third option.

If you need any explanation, I can edit this later.

Good luck!!

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