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Ludmilka [50]
3 years ago
9

Answer correctly for brainliest and also a thanks ! Don't answer if you don't know it please . Also the last answer choice D is

0.61

Mathematics
1 answer:
vovikov84 [41]3 years ago
4 0
For this question we want the find the residual like the question states. We know the observed value of x = 6 which is 
(6, 4) and we know the predicted value of x = 6 which is 
(6 , 3.44)
To find the residual we will do the observed value of y - predicted value of y
4 - 3.44 = 0.56 therefore the answer will be 
C 0.56
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Answer:

0

Step-by-step explanation:

<h3>Given</h3>
  • (x + \sqrt{1 + x^2})(y + \sqrt{1 + y^2}) = 1
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<h3>Solution</h3>

<u>Let's make substitution as:</u>

  • (x + \sqrt{1 + x^2}) = m

then

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<u>Solving the first equation for x and the second one for y:</u>

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And

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  • \sqrt{1 + y^2} = 1/m - y
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<u>Now, sum of x and y:</u>

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