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lianna [129]
3 years ago
11

Find the sum of the interior angles of a dodecagon ( 12 sides ) show work for your answer!  ❤️

Mathematics
1 answer:
Ksivusya [100]3 years ago
7 0

Answer:

Sum of Interior Angles = (Number of Sides -2) • 180 degrees

Sum = (12 -2) * 180

Sum of the interior angles = 1,800 degrees

Source:  http://www.1728.org/polygon.htm

Step-by-step explanation:

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?...............................
arsen [322]

Answer:

-2 ≤ n < 8

Step-by-step explanation:

_________________

5 0
3 years ago
David found and factored out the GCF of the polynomial 80b4 – 32b2c3 + 48b4c. His work is below. GFC of 80, 32, and 48: 16 GCF o
BlackZzzverrR [31]

Answer: The correct statements are

The GCF of the coefficients is correct.

The variable c is not common to all terms, so a power of c should not have been factored out.

David applied the distributive property.

Step-by-step explanation:

GCF = Greatest common factor

1) GCF of coefficients : (80,32,48)

80 = 2 × 2 × 2 × 2 × 5

32 = 2 × 2 × 2 × 2 × 2

48 = 2 × 2 × 2 × 2 × 3

GCF of coefficients : (80,32,48) is 16.

2) GCF of variables :(b^4,b^2,b^4)

b^4= b × b × b × b

b^2 = b × b

b^4 =b × b × b × b

GCF of variables :(b^4,b^2,b^4) is b^2

3) GCF of c^3 and c: c is not the GCF of the polynomial. The variable c is not common to all terms, so a power of c should not have been factored out.

4) 80b^4-32b^2c^3+48b^4c

=16b^2(5b^2-2c^3+3b^2c)

David applied the distributive property.

7 0
3 years ago
Read 3 more answers
Which function below is the inverse of f(x) = 7x-1/2
GaryK [48]
F(x)=7x-1/2
 Add the half to the other side afeterreplacing f(x) with a zero
 1/2=7x divide by 7
7/2=x, when y=0
4 0
3 years ago
PLEASE HELP <br> ———————-
quester [9]
First substitute, then distribute, then add, then simply
5 0
4 years ago
Ellipsis a set of three dots at the end of a number used to indicate that the number will infinitely continue in the same patter
alexdok [17]

Answer:

Match the vocabulary words to the proper definition.

1. a decimal that ends  

2

repeating decimal  

2. a decimal whose digits to the right of the decimal point repeat indefinitely  

1

terminating decimal  

3. a set of three dots at the end of a number used to indicate that the number will infinitely continue in the same pattern  

4

irrational number  

4. a horizontal bar used in mathematical notation; in fractions, it is the bar that separates the numerator from the denominator; in repeating decimals, it indicates a group of repeating numbers  

6

vinculum  

5. a number that can be written as a ratio in fraction form  

3

ellipsis  

6. a number that, when in decimal form, does not terminate or repeat  

5

rational number

Step-by-step explanation:

3 0
4 years ago
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