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Zarrin [17]
2 years ago
10

You use a line best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your data

set is -0.833 . How confident can you be that your predicted value will be reasonably close to the actual value?
Mathematics
1 answer:
Veseljchak [2.6K]2 years ago
6 0

Answer:

You can be reasonably and mostly towards the strong side of that it is close.

The correlation coefficient is a strong negative correlation, meaning it is most likely close.

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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2(b+3c)

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Choice B is equivalent to the given expression

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Caitlin has $5 and $10 bills that are worth $675. She has twice as many $10 bills as $5 bills. How many of each type of bill doe
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Caitlin has 27 $5 bills and 54 $10 bills.

Step-by-step explanation:

Given,

Worth of $5 and $10 bills = $675

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Number of $10 bills = y

According to given statement;

5x+10y=675    Eqn 1

She has twice as many $10 bills as $5 bills.

y=2x    Eqn 2

Putting value of y from Eqn 2 in Eqn 1

5x+10(2x)=675\\5x+20x=675\\25x=675

Dividing both sides by 25

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Putting x=27 in Eqn 2

y=2(27)\\y=54

Caitlin has 27 $5 bills and 54 $10 bills.

Keywords: linear equation, substitution method

Learn more about substitution method at:

  • brainly.com/question/10699220
  • brainly.com/question/10703930

#LearnwithBrainly

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