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Korvikt [17]
2 years ago
7

The sum of the interior angles of a polygon is 14 × 180 . Work out the number of sides of the polygon.

Mathematics
1 answer:
labwork [276]2 years ago
5 0

Answer:

Number of sides of the polygon = 16

Step-by-step explanation:

Sum of the interior angle of a polygon = (n - 2) × 180°

Here, n = Number of sides of the polygon

If sum of the interior angles = 14 × 180°

Therefore, (n - 2) × 180° = 14 × 180°

(n - 2) = 14

n = 14 + 2

n = 16

Number of sides of the polygon = 16

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electricity has two different rates off peak is 10pm to 6am and charged at 8p per hour. peak is 6am to 10pm and is charged at 12
faltersainse [42]

Answer:

32p

Step-by-step explanation:

Times between 8pm and 11.30 are:

8pm,9pm,10pm,11pm,11.30pm

Costs for associated times:

8pm: 12p

9pm: 12p

10pm : 12p

11pm: 8p

11.30 pm: 4p

Total/sum = 32p

8 0
3 years ago
Read 2 more answers
A rectangle has breadth 5cm and area 40cm². Its length is equal to the height of a triangle of base 18cm. Find the area of the t
tigry1 [53]

Answer:

72cm squared

Step-by-step explanation:

8 0
3 years ago
Help !
aivan3 [116]

Answer:

a. p(orange) = 5/14

b. p(green) = 3/14

c. p(red) = 1/7  

d. p(brown) = 2/7  

e. p(brown or red) = 3/7

Step-by-step explanation:

1. You have a 14 pencils. Two pencils are red, 5 pencils are orange, 3 pencils are green and 4 pencils are brown.

p(color) = (number of pencils of that color)/(total number of pencils)

p(color) = (number of pencils of that color)/14

a. If a pencil is picked at random, what is the probability that the pencil

will be orange?

p(orange) = 5/14

b. If a pencil is picked at random, what is the probability that the pencil

will be green?

p(green) = 3/14

c. If a pencil is picked at random, what is the probability that the pencil will be red?

p(red) = 2/14 = 1/7

d. If a pencil is picked at random, what is the probability that the pencil

will be brown?

p(brown) = 4/14 = 2/7

e. If a pencil is picked at random, what is the probability that the pencil

will be brown or red?

brown: 4

red: 2

brown or red: 4 + 2

p(brown or red) = 6/14 = 3/7

3 0
3 years ago
Write an expression that equals 40.include an exponent
sdas [7]
10'2 X2

20X2




.......................
8 0
3 years ago
Given: -7x<-21 choose the solution set
Ahat [919]

Answer:

x > 3

Step-by-step explanation:

The only thing you need to do is just divide both sides by -7

-7x/-7<-21/-7

x>3

I hope this helped!! Good luck (:

6 0
2 years ago
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