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Svetlanka [38]
3 years ago
7

Find the perimeter of shape #8

Mathematics
1 answer:
Wittaler [7]3 years ago
4 0
The squiggly lines and the 2 straight lines through to sides of the pentagon mean that they are congruent (equal in length).

So, to find the perimeter of a regular polygon, you add all of its sides together.


So, the perimeter= 4x-2+x-2+x-2+x+2+x+2

To simplify it, add all of the x's together.

4x+x+x+x+x=8x

Perimeter=8x-2-2-2+2+2

-2-2=-4-2=-6+2=-4+2=-2

Perimeter=8x-2

Reach out to me if you have any questions. I'd be glad to help! :)
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GarryVolchara [31]

the answer is 10$ per shirt

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4 years ago
Fez rolls 2 fair dice and adds the results from each. Work out the probability of getting a total that is a factor of 20.
blondinia [14]

Answer: it's da probability dat u'll get a total factor of 20. I hope dis helps or at least a little bit :3

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Helpppppp please ASAPpppppppppppppp!!!!!!!!!!!!!!!!!!
MAXImum [283]

See explanation.

Step-by-step explanation:

To find the amount of profit earned in each product,apply the percent profit formula;

%profit= profit/original price *100

<u>a)Candy </u>

% Profit =65%

Selling price = $6400

This means;

165%=6400

100%=?

Cross multiply

(100*6400)/165 =$3878.80

Original price= $3878.80

Profit= $6400-$3878.80

=$2521.20

<u>b)Wrapping Paper</u>

%profit= 40%

Selling price= $1200

This means;

140%=$1200

100%=?

Cross-multiply

(1200*100)/140=$857.14

Original price=$857.14

Profit=$1200-$857.14

=$342.90

<u>c)Stationery</u>

%profit= 50%

Selling price =$900

This means;

150%=900

100%=?

Cross-multiply

(900*100)/150 = $600

Original price = $600

Profit= $900-$600=$300

<u>d)Calender's</u>

%Profit=25%

Selling price=$3120

This means;

125%=$3120

100%=?

Cross-multiply

(100*3120)/125=$2496

Original Price=$2496

Profit= $3120-$2496=$624

2)

Selling price for pens and pencils =$4500

%percent profit earned = 42%

Profit earned will be:

142% = $4500

100%=?

Cross-multiply

(100*4500)/142 =3169.01

Original price=$3169.01

Profit= $4500-$3169.01

=$ 1331

Learn More

To find profit : brainly.com/question/927518

Keyword : Percent profit,

#LearnwithBrainly

6 0
3 years ago
Incorrect, 12.1.53
Ganezh [65]

0.442

Step-by-step explanation:

Step 1 :

Given that 11% of the lights are defective.

So probability of a light randomly chosen is defective is .11

This implies probability of a light randomly chosen is not defective is 1 - .11 = .89

Step 2 :

In a pack of 5 light bulbs the probability that none of them are defective is (0.89)^ 5

Hence the probability that at least one of the light bulbs is defective is

1-(0.89)^ 5  = 1 - 0.558 = 0.442

5 0
3 years ago
Is 27/250 a repeating or termating decimal
777dan777 [17]

27/250=0.108

so this decimal is non-repeating and terminating.

6 0
4 years ago
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