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Alik [6]
3 years ago
14

Calculate the area of the composite figure. which is not a drawn scale.

Mathematics
2 answers:
skad [1K]3 years ago
8 0
The answer is 518 sq cm. i found this by finding the area for each shape then i just added!
mart [117]3 years ago
4 0
The answer is 518 sq cm found by area
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Suppose we want to choose 2 letters, without replacement, from the 4 letters A, B, C, and D.
Amiraneli [1.4K]

Answer:

Letters can be chosen in 12 different ways, if order matters, or 6 different ways, if order doesn't matter.

Step-by-step explanation:

Since we want to choose 2 letters, without replacement, from the 4 letters A, B, C, and D, to determine in how many ways can this be done, if the order of the choices matters, and in how many ways can this be done, if the order of the choices does not matter, the following calculations must be performed:

If order matters =

 

(4 x 3 x 2 x 1) / 2 = X

24/2 = X

12 = X

If the order doesn't matter =

12/2 = X

6 = X

Therefore, letters can be chosen in 12 different ways, if order matters, or 6 different ways, if order doesn't matter.

3 0
3 years ago
Kelly and Daniel wrote the following proofs to prove that vertical angles are congruent. who is correct?
katrin [286]
Kelly? Im not sure actually... Im going with Kelly but im probably wrong
7 0
3 years ago
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ONLY THE BRAINLIEST OF USERS ANSWER THIS QUESTION 30 POINTS!!!!!!!!!!!!!!!
denis23 [38]

Answer:

8*5^n-1 / 2^n-1 = n

This is the function for your sequence


3 0
3 years ago
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What is the value of x?
Oduvanchick [21]

Answer:

x = 19

Step-by-step explanation:

Vertical angles are equal

So

7x - 8 = 6x + 11

7x - 6x = 11 + 8

x = 19

7 0
3 years ago
What is the measure of the<br> third angle of this triangle?
Illusion [34]

Answer:

20 degrees

Step-by-step explanation:

every triangle had 3 angles that all add up to 180

the problem gives you two angles which are 120+40 which is 160

180-160 is 20 degrees which is whi it is the answer

3 0
2 years ago
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