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tigry1 [53]
3 years ago
11

Directions: Solve for x.

Mathematics
1 answer:
KonstantinChe [14]3 years ago
7 0

Answer:

x = 6

Step-by-step explanation:

From the given picture,

ΔABC and ΔADE are the similar triangles.

By the property of similar triangles,

Corresponding sides of the similar triangles are proportional.

\frac{AB}{AD}=\frac{AC}{AE}

\frac{x+18}{x}=\frac{28}{(28-21)}

7(x + 18) = 28x

7x + 7×18 = 28x

28x - 7x = 126

21x = 126

x = \frac{126}{21}

x = 6

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I don't understand this probability problem. ​
Lelechka [254]

Answer:

D. is the answer if you are given that 40% are purple and 18% are green.

Step-by-step explanation:

So if you do this with replacement, it is just P(green)*P(purple).  Here the probability of purple will not be change because we are putting the first bead back in the bag.

P(green)*P(purple)=.18*.4=0.072 or 7.2%

3 0
3 years ago
A seed company planted a floral mosaic of a national flag. The perimeter of the flag is 420 feet. Determine the​ flag's length a
scoundrel [369]

Answer:

Width  = 50ft

Length = 160ft

Step-by-step explanation:

Given parameter:

The perimeter of the flag is 420ft

Unknown:

Length of flag  = ?

Width of flag  = ?

Solution:

To solve this problem;

 Perimeter of the flag is given as:

  Perimeter  = 2(Length + width)

Length  =110 + Width

  Now insert the parameters:

     420  = 2(110 + Width + Width )

   let w = width

     420  = 2(110 + 2w)

     420  = 220 + 4w    

      4w  = 200

         w  = 50ft

Length  = 110 + 50 = 160ft

6 0
3 years ago
In the year 2000, there were 5,000 people living in the town of Clairmont. By 2010, the population had grown to 5,600. What is t
weeeeeb [17]
Given:
2000 - 5,000 people
2010 - 5,600 people

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The percent of change is 12%. It means that the number of people increase by 12% from the original number of 5,000 in year 2000.
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14 and 22 are the two numbers in question

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Read 2 more answers
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Aliun [14]
The answer would be the square root of 12
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