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aleksklad [387]
3 years ago
9

Write down the equation that could be a correct equation for linear regression prediction function?

Mathematics
1 answer:
user100 [1]3 years ago
6 0

If the question meant that we should write a linear prediction function ;

Answer:

y = bx + c

Step-by-step explanation:

The equation for a linear regression prediction function is stated in the form :

y = bx + c

Where ;

y = Predicted or dependent variable

b = slope Coefficient

c = The intercept value

x = predictor or independent variable

Therefore, the Linear function Given represents a simple linear model for one dependent variable, x

b : is the slope value of the equation, whuch represents a change in y per unit change in x

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Will mark brainliest!!! Two trains leave towns 663 kilometers apart at the same time and travel toward each other. One train tra
topjm [15]

Answer: rate of train A = 120 km/h

rate of train B = 101 km/h

Step-by-step explanation:

Let x = the speed of train A

Let y = the speed of train B

One train travels 19 km/h slower than the other. Let train B be the slower train. Therefore,

x = y + 19 - - - - - - - - - -1

Recall

Speed = distance/time

Distance = speed × time

If they meet in 3 hours, it means that train A has travelled a distance of

x × 3 = 3x km

And train B has travelled a distance of y × 3 = 3y km

Train A and Train B were 663 kilometers apart when they left their respective destinations. They left at the same time and travelled towards each other. This means that if they meet in 3hours time, they must have covered a total of 663 km. Therefore,

3x + 3y = 663 - - - - - - - - - 2

Substituting x = y + 19 into equation 2, it becomes

3(y + 19) + 3y = 663

3y + 57 + 3y = 663

6y + 57 = 663

6y = 663 - 57 = 606

y = 606/6 = 101 km/h

x = y + 19 = 101 + 19

x = 120 km/h

5 0
4 years ago
I need to figure this out
RUDIKE [14]

Answer:

plug in the missing numbers and you have the answers

Step-by-step explanation:

  1. 6×5=2
  2. 32+4×3=44
  3. 27×3-(16+3×5)=50
  4. 7×5÷3+2=13.6
  5. 2×7-4×3=2
8 0
3 years ago
What function has the Sam y-intercept as the function
gizmo_the_mogwai [7]

actually i still think its the second answer

7 0
3 years ago
2) Simplify: a(0.5 + 8)
kipiarov [429]

Answer:

(8.5)

Step-by-step explanation:

Just add the 2 numbers

4 0
3 years ago
What integer is equal to 9 3/2
Ad libitum [116K]
The correct answer is: 27 . 9^(3/2) = (√9)³ = 3³ = 3 * 3 * 3 = 27 .
7 0
3 years ago
Read 2 more answers
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