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Dmitry_Shevchenko [17]
3 years ago
15

A researcher at a large company has collected data on both the beginning salary and the current salary of 48 randomly selected e

mployees. The least‑squares regression equation for predicting their current salary from their beginning salary is ^ y = − 2532.7 + 2.12 x y^=−2532.7+2.12x . Kathy Jones started working for the company earning $19,000. She currently earns $40,000. What is the residual for Ms. Jones?
Mathematics
1 answer:
Stolb23 [73]3 years ago
3 0

Answer:

dgrfgfgrfsdfsg

Step-by-step explanation:

aeswrfehghfdgsgbgdfhtgrtfdgf

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What is B-CF?
Sholpan [36]

I'm guessing on the make up of the matrices.
First off let's look at [C][F].
[C]=
[F]=
[C][F]=
where each element of [C][F] comes from multiplying a row of [C] with a column of [F].
Example: First element is product of first row and first column.

.
.
.
Now that we have [C][F], we can subtract it from [B], element by element,


[B]-[C][F]=
[B]-[C][F]=
.
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If this is not how the matrices look,please re-state the problem and be more specific about the make up of the matrices (rows x columns).
Here's an example.
[A] is a 2x2 matrix. A=[1,2,3,4].
The assumption is that [A] looks like this,
[A]=
[B] is a 3x2 matrix. B=[5,6,7,8,9,10]
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7 0
3 years ago
Find the quotient of x^3 + 4x^2 - x - 4 divided by x + 1
svlad2 [7]

Answer:

x^2 + 3x - 4

Step-by-step explanation:

solved using long division

4 0
3 years ago
Choose Yes or No to tell whether or not the symbol needs to flip when completing this inequality:
a_sh-v [17]

Answer:

Yes because you are working with negatives

Step-by-step explanation:

8 0
3 years ago
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Zack has a car. He wants to sell it for 60% off the current price.the market price is $500. How much money would he receive in e
Mariana [72]
Since Zack wants to sell his car for 60% off the current price of $500, he has to multiply 0.60 (60% in decimal form) by $500, which equals $300. Now, the next step is very important. He has to subtract $500 from $300 since $300 is the amount OFF. Once he does that, he will get $200.

- Hope I helped :)

- Learning is beautiful thing and a lifelong journey. 
8 0
3 years ago
100000000000000000000000000000000000000000+53624785326348756348927563482564328965342875634289573264
Arlecino [84]

Answer:

5.3624785e+55

Step-by-step explanation:

3 0
3 years ago
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