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3 years ago

What is the distance of the line drawn between points (–1,–2) and (–9,4)?

Mathematics

1 answer:

mrs_skeptik [129]3 years ago

8 0

Answer:

Step-by-step explanation:

( - 1, - 2 )

Let,

x1 = - 1

y1 = - 2

( - 9, 4 )

Let,

x2 = - 9

y2 = 4

Formula : -

Distance = √ [ ( x1 - x2 )² + ( y1 - y2 )² ]

Distance = √ [ ( - 1 - ( - 9 ) )² + ( - 2 - 4 )² ]

= √ [ ( - 1 + 9 )² + ( - 6 )² ]

= √ [ 8² + ( - 6 )² ]

= √ [ 64 + 36 ]

= √100

Distance = 10

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3 years ago

What is the sum _71/6 +35/6 in the simplest terms ? Show your work

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Answer:

The answer in simplest term is 35.33333334.

Step-by-step explanation:

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3 years ago

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Yakvenalex [24]

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You have 100 quarters in a jar. One of the quarters is double sided (heads). You pick out a random quarter and flip it 7 times,

zysi [14]

Answer:

Probability of having the double sided coin is 1 %

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Step-by-step explanation:

Based on the information given to us in the question we have a total of 100 coins in the bag and only 1 is double heads. Therefore the probability of you picking the double sided coin is $\frac{1}{100}$ or 1 % . This probability is not affected by the fact that the coin you chose got heads 7 times in 7 flips.

Since a coin has 2 sides and you do not know whether the coin you have is the double sided coin then you have to assume that it is a normal 2 sided coin. Therefore a normal 2 sided coin has a probability of $\frac{1}{2}$ or 50% with every flip of getting heads.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

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