The diagram shows part of a regular polygon.
The sides of this polygon subtend angles of 18° at the centre of the polygon.
How many sides does the polygon have?

The diagram is not drawn to scale.​

Answers

Answer 1

Answer:

Step-by-step explanation:

The sum of central angles must equal 360 degrees.

s=360/18

s=20


Related Questions

Which expression is equivalent to 4(2x +3)?

a.4 + 2x + 4 +3
8x + 12

c.8x + 3

d.
4 + 2x + 12

Answers

Answer:

c 8x+3 all you do is multiply 4 and 2 to get 8 and add an x

4/5 cm * 3/8 cm
please answer fast ​

Answers

Answer:

= 3/10 cm or you can put 0.3 cm

sum of 34908 and 12765?​

Answers

Answer:

47,673

Step-by-step explanation:

Answer: 47,673

Step-by-step explanation:

(Find the commission.)

Earning Commission
Sales CommisionRate Commission $640 4% ?

The commission is $ ?​

Answers

Answer:

25.6

Step-by-step explanation:

640*4%

Answer:

the commsion is $25.60

Step-by-step explanation:

commission amount = sale price * commission percentage / 100.

Which equation illustrates dividing out a common factor as the first step to solve the equation 2 x + 4 = 6 x + 2 ? A. 2 ( x + 2 ) = 2 ( 3 x + 1 ) B. 2 x 2 + 2 2 = 6 x 2 + 2 2 C. 2 x 2 + 4 = 6 x 2 + 2 D. 2 x + 4 2 = 6 x + 2 2

Answers

Answer:

Step-by-step explanation:

2x + 4 = 6x + 2

Bringing like terms on one side

4 - 2 = 6x - 4x

2 = 2x

2/2 = x

1 = x

The heights of Russian dolls are in the ratio 6 : 8 : 9. In a set of dolls, the height of the middle doll is 12 cm. What is the height of the smallest doll

Answers

Answer:

Step-by-step explanation:

As 6 is 2 less than 8 so height of smallest doll would be 10cm

12 divided by 8 is 1.5 then multiply that by 6 to get 9

A plant currently measures 5.5 inches tall and will grow at a rate of 1 inch per week. Andrew wants to graph this information for his Science Fair project. If x represents the number of weeks and y represents the height of the plant, which choice below correctly describes the y-intercept in this relationship?
(5.5, 0)

(0,1)

(0, 5.5)

(1, 5.5)

Answers

Answer:

0, 5.5

Step-by-step explanation:

when they ask for a y-intercept, x is always zero, so now we eliminate two of the answers, and we will only have (0, 1) or (0, 5.5). At the beginning of the question it said a plant is currently at 5.5, so it started as 5.5 (0, 5.5)

so THE ANSWER IS  (0, 5.5)

PLZ MARK ME AS BRAINLIEST.

angle sum theory

PLS HELP!!

A)74°

B)92°

C)83°

D)82°

Answers

Answer:

the answer must be 74 or 82

Answer:

It's 58

Step-by-step explanation:

That's the answer

what is the number sentence​

Answers

Answer:

A number sentence is a mathematical sentence made up of numbers and signs. So for example 15 + 7.

They can use any of the mathematical operations so addition, subtraction, multiplication and division

Number sentences can be true or false. Example, 5 + 7 = 13

good luck, i hope this helps :)

Gary is building a new L-shaped desk for his room. He wants to make sure it
is large enough to hold all his supplies. The dimensions of the desk, in feet,
are shown in the diagram. What is the area of the desk?
9 ft
2 ft
6 ft
6 ft
4 ft
3 ft
A. 24 square feet
B. 36 square feet
C. 30 square feet
D. 54 square feet

Answers

Answer:

30ft2.  so its c

Step-by-step explanation:

its 30

quiz verified

2/x + 5/3 = 7/2, trynna solve for x

Answers

Answer:

x= 12/11

Step-by-step explanation:

Make a, the subject of 3a-b=a+7

Answers

Answer:

a = (b+7)/2

Step-by-step explanation:

3a - b = a + 7

2a - b = 7

2a = b + 7

a = b+7/2

Arianna has $0.90 worth of nickels and dimes. She has 4 times as many nickels as
dimes. By following the steps below, determine the number of nickels, x, and the
number of dimes, y, that Arianna has.

Answers

Answer:

X=3

Step-by-step explanation:

       0.05(4x) + 0.1x = 0.90

           0.2x + 0.1x = 0.90

                 0.3x = 0.90

                      x = 3

Pls send quotes about no giving up

Answers

“ Work in silence, appear on the stage. When giving up you seem weak. Don’t give up. “

b) 0.069 + 0.84 can u guys plzz help me it math subject and the lesson name is decimal help ​

Answers

0.909

Add together 69 and 840 (0.84 has less to the right) and put it behind a decimal.

Answer:

0.909

Step-by-step explanation:

Because there are decimals

0.069+

0.84

=0.909

Hope this helps you

Which of the following best describes the relationship between the number of miles a person runs and the number of calories he/she burns?

A. neither correlation nor causation
B. correlation and causation
C. correlation without causation
D. causation without correlation

Answers

B
Because the number are either rising or falling

Could someone help me with this!!! ​

Answers

Answer:

imports

Step-by-step explanation:

Answer:

exports

Step-by-step explanation:

send (goods or services) to another country for sale.

ASAP PLASE HELP AND SHOW WORK
Each choice below describes the lengths of the sides of a triangle. Select all the triangles that must be right triangles.

Triangle a- √3,√4,√5

Triangle b- 3,4,5

triangle c- 2,4,6

Triangle d- √2,√4√6

Answers

Answer:

triangle b and triangle d

Step-by-step explanation:

3^2+4^2=5^2

2+4=6

Answer:

Triangle b- 3,4,5

5²=3²+4²

Triangle d- √2,√4√6

(√6)²=(√2)²+(√4)²

Alto and Brian both ordered the same size pizzas and Marco's Pizza;

however, they ordered different toppings. Marco's charges an additional

fee for toppings, but all toppings cost the same. Alto got pepperoni,

banana peppers, and black olives on his pizza for a cost of $15.74. Brian

order mushrooms and eggplant of his pizza and paid $14.49. Using this

information, write an equation for the cost of a pizza, C, as a function of

the toppings, t, ordered. *Hint: slope intercept form and you will need the

slope formula

Answers

Answer:

Cost of pizza = 1.25x + 11.99

Step-by-step explanation:

Since Toppings cost the same and the pizza orders are of same size :

Alto ordered for 3 Toppings + pizza = 15.74

Brian ordered for 2 toppings + pizza = 14.49

Hence the cost per topping and pizza could be found :

Cost per topping :

15.74 - 14.49 = 1.25

Hence, slope = 1.25

The intercept, c represents the cost of pizza alone :

Cost of pizza + 2 Toppings = 14.49

Cost per topping = 1.25

Cost of pizza = 14.49 - 2(1.25)

Cost of pizza = 14.49 - 2.50 = 11.99

Expressing in slope - intercept form :

y = mx + c

m = slope ; c = intercept

Cost of pizza = 1.25x + 11.99

PLEASE ANSWER THIS QUICKLY WITH PLOT POINTS!! ILL GIVE BRAINLIEST!

y=-8 y=-2-12

Answers

Answer:

For the first one your first point is going to be on (0, -8) and will be a continuous horizontal line.

For the second equation the first point will be on (0, -12)

you want to go down two points and go to the right once point so (1, -14), (2,-16), (3,-18)

you also want to go up two points and to the left once so (-1, -10), (-2, -8), (-3, -6) and so on

If y varies directly with x, and y is 3 when x is 9, find x when y is 12.​

Answers

Answer:

x=4

Step-by-step explanation:

Answer:

9/3=3

12/3=4

step-by-step explanation:

I think it's four but sorry if its not

What is the slope that passes through the points(-2,4) and (3,8). m=

Answers

Please Mark as brainlist ..........

56 + (-56)
Find each sum

Answers

Answer:It equals 0.

Step-by-step explanation:

Because the 56 in parenthesis is a negative so when you add it equals nothing.

CANNNNN ANYONE FIGURE TJIS OUTTT

Answers

Answer:

6.7

Step-by-step explanation:

Since both the figures are similar, so their corresponding sides would be in proportion.

Therefore,

[tex] \frac{a}{12} = \frac{5}{9} \\ \\ a = \frac{60}{9} \\ \\ a = 6.7 \: [/tex]

A small plane has 20 rows of seats. Each row has 4 seats.
help me plz!

Answers

Answer:

there are 5 sections

Step-by-step explanation:

and how you want us to help?:))

is y=6x+3 proportional or nonproportional

Answers

Answer:

f the x and y coordinates form proportional relationships, then there is some non-changing number (a constant) that when multiplied times x will create y

Step-by-step explanation:

Select all of the attributes of the right rectangular prism.

Answers

Answer:

Opposite faces are parallel

There are 6 faces

All faces meet at 90 degrees.

Step-by-step explanation:

I think

What is the sum of the exterior angles of this octagon?

Answers

Answer:  D: 360°

An octagon is supposed to have a total of 360°, each side being equivalent to 45°. In conclusion, the exterior angle of this octagon is equivalent to 360°

The base of an isosceles triangle is 24cm and its area is 192 sq.cm . Find its perimeter​

Answers

Answer:AB = AC since the given triangle is isosceles. Area = 192 sq.cm. = 64 cm. Hence the perimeter of triangle is 64 cm.

Step-by-step explanation:

I hope this helps you understand

What is the volume of the rectangular prism?
1 cm
6 cm
6 cm

Answers

Answer:

V=36

Step-by-step explanation:

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