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victus00 [196]
2 years ago
15

You have a frame that holds three pictures. You pulled out your favorite five photos. How many sets of three are there?

Mathematics
1 answer:
ziro4ka [17]2 years ago
7 0

Answer:

C(5,3)=10

Pictures 1,2,3,4,5

So the Possible sets are:

(1,2,3) (1,2,4)

(1,2,5) (1,3,4)

(1,3,5) (1,4,5)

(2,3,4) (2,3,5)

(2,4,5) (3,4,5)

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3 years ago
Which rule yields the dilation of the figure KLMN centered at the origin?
IrinaK [193]

Answer:

The rule of dilation centered at the origin is (x , y) → (2x , 2y) ⇒ answer A

Step-by-step explanation:

* Lets talk about dilation

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- The scale factor, measures how much larger or smaller  

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* Now lets solve the problem

- The figure KLMN has for vertices:

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- The image K'L'M'N' of figure KLMN after dilation about the origin

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   K' (6 , -6) , L' (6 , 8) , M' (10 , 8) , N' (10 , -6) ⇒ (2)

- From (1) and (2)

# (3 , -3) ⇒ (6 , -6)

# (3 , 4) ⇒ (6 , 8)

# (5 , 4) ⇒ (10 , 8)

# (5 , -3) ⇒ (10 , -6)

- Each point in KLMN multiplied by 2

∴ The scale of dilation is 2

∴ The rule of dilation centered at the origin is (x , y) → (2x , 2y)

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