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Digiron [165]
3 years ago
15

How many lines of reflectional symmetry does an equilateral triangle have?

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
7 0
There are 3 lines of reflectional symmetry in an equilateral triangle 
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192+4(7a+6)<br><br> Pls<br> Help <br><br> Show ur work<br> (No spam)
horrorfan [7]

Answer:

192 + 4( 7a + 6 )

DISTRIBUTE  

192 + 28a + 24

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216 + 28a     or        28a + 216

Step-by-step explanation:

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Marta_Voda [28]
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3 years ago
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Five Cs Bank issues credit cards to its customers. In the past 3.4% of the out-of-state nonfraudulent credit card transactions w
kolezko [41]

Answer:

0.0838 (8.62%)

Step-by-step explanation:

defining the event G= an out-of-state transaction took place in a gasoline station , then the probability is

P(G) = probability that the transaction is fraudulent * probability that took place in a gasoline station given that is fraudulent + probability that the transaction is not fraudulent * probability that took place in a gasoline station given that is not fraudulent =  0.033 * 0.092 + 0.977 * 0.034 = 0.0362

then we use the theorem of Bayes for conditional probability. Defining also the event F= the transaction is fraudulent  , then

P(F/G)=P(F∩G)/P(G) =  0.033 * 0.092 /0.0362 =  0.0838 (8.62%)

where

P(F∩G)= probability that the transaction is fraudulent and took place in a gasoline station

P(F/G)= probability that the transaction is fraudulent given that it took place in a gasoline station

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3 years ago
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Galina-37 [17]
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