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Inessa [10]
3 years ago
7

Find the residual if you know the actual number is 3 and the predicted value is 1.6

Mathematics
1 answer:
IgorC [24]3 years ago
5 0

Answer:

The correct option is A.

Step-by-step explanation:

The difference between actual value and predicted value is called residual.

Formula of residual is

e=y-\hat{y}

Where, y is observed value or actual value and \hat{y} is predicted value.

e=3-1.6

e=1.4

The value of residual is 1.4 and option A is correct.

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-x+ 3y = 14<br> 3x – 3y =-6<br> How would do in steps ?
Naddika [18.5K]

for the first part:

Let's solve for x.

−x+3y=14

Step 1: Add -3y to both sides.

−x+3y+−3y=14+−3y

−x=−3y+14

Step 2: Divide both sides by -1.

−x/−1  =  −3y+14/−1

x=3y−14

Answer:

x=3y−14

Second part:Let's solve for x.

3x−3y=−6

Step 1: Add 3y to both sides.

3x−3y+3y=−6+3y

3x=3y−6

Step 2: Divide both sides by 3.

3x/3= 3y−6/3x=y−2

Answer:

x=y−2

7 0
3 years ago
I need to know how to do this
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Step-by-step explanation:  .

7 0
3 years ago
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Answer:

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Step-by-step explanation:

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