What is the value of f(24.2)=23.2x+2.5
1 answer:
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Answer:
Predicted final score of Josh
Step-by-step explanation:
The linear regression relationship has been established between the final-exam score and the score on the first test
The relation ship is represented by a linear equation -
Where
score on the first test
final-exam score
Substituting the value of in above equation we will get -
Predicted final score of Josh
The product of a <em>complex</em> number and its conjugate is (a + i b) · (a - i b), where a and b are <em>real</em> numbers, and the result for the <em>complex</em> number 2 + i 3 is 13.
<h3>What is the multiplication of a complex number and its conjugate</h3>Let be a <em>complex</em> number a + i b, whose conjugate is a - i b. Where a and b are <em>real</em> numbers. The product of these two numbers is:
(a + i b) · (a - i b)
Then, we proceed to obtain the result by some algebraic handling:
a · (a + i b) + (- i b) · (a + i b)
a² + i a · b - i a · b - i² b²
a² - i² b²
a² + b²
If we know that a = 2 and b = 3, then the product of the complex number and its conjugate is:
To learn more on complex numbers: brainly.com/question/10251853
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