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bogdanovich [222]
2 years ago
11

What is the value of x in the diagram below? If necessary, round your answer

Mathematics
2 answers:
Crazy boy [7]2 years ago
7 0

9514 1404 393

Answer:

  A.  7.2

Step-by-step explanation:

In this geometry, all of the right triangles are similar. This means corresponding sides have the same ratio.

  short side/hypotenuse = x/12 = 12/20

Multiplying by 12 gives ...

  x = 12(12/20) = 144/20

  x = 7.2

dolphi86 [110]2 years ago
3 0
The answer might be c
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∆ABC transforms to produce ∆A'B'C'. Which transformation did NOT take place?
never [62]

Answer: The answer is (D) Reflection across the line y = -x.


Step-by-step explanation:  In figure given in the question, we can see two triangles, ΔABC and ΔA'B'C' where the second triangle is the result of transformation from the first one.

(A) If we rotate ΔABC 180° counterclockwise about the origin, then the image will coincide with ΔA'B'C'. So, this transformation can take place here.

(B) If we reflect ΔABC across the origin, then also the image will coincide with ΔA'B'C' and so this transformation can also take place.

(C) If we rotate ΔABC through 180° clockwise about the origin, the we will see the image will be same as ΔA'B'C'. Hence, this transformation can also take place.

(D) Finally, if we reflect ΔABC across the line y = -x, the the image formed will be different from ΔA'B'C', in fact, it is ΔA'D'E', as shown in the attached figure. So, this transformation can not take place here.

Thus, the correct option is (D).


6 0
3 years ago
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Lynna [10]
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3 years ago
Evaluate using the order of operations 17.28\(1.32-0.24)x0.6
skelet666 [1.2K]
1 Simplify 1.32−0.241.32-0.241.32−0.24 to 1.081.081.08
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​1.08
​
​17.28
​​ ×0.6

2 Simplify 17.281.08\frac{17.28}{1.08}
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3 years ago
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zalisa [80]

Answer:

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5x > 10 ( divide both sides by 5 )

x > 2

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2 years ago
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