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MariettaO [177]
1 year ago
7

Instructions: The following is the recorded earthquakes on South Carolina from August, 2016 to February, 2017. Use the data to f

ind the residuals. Then draw a residual plot by hand. Use the residual plot to determine if the linear model is the best regression model for this data.
Magnitude Depth (km. )

[Table]

1. 7 2. 9

1. 1 0. 8

1. 4 1. 9

0. 7 3. 2

0. 8 4. 3

1. 9 4

1. 7 6. 3

1. 9 6. 9

1. 9 0. 9

1. 1 2

Source: USGS


x Residual (Round to nearest tenth)

1. 7 Answer

1. 1 Answer

1. 4 Answer

0. 7 Answer

0. 8 Answer

1. 9 Answer

1. 7 Answer

1. 9 Answer

1. 9 Answer

1. 1 Answer
Mathematics
1 answer:
Ratling [72]1 year ago
6 0

Answer:

Step-by-step explanation:

Residual (Round to nearest tenth)1. 7 Answer1. 1 Answer1. 4 Answer0. 7 Answer0. 8 Answer1. 9 Answer1. 7 Answer1. 9 Answer1. 9 Answer1. 1 Answer

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Mell is twice as old as Jerry. If 16 is subtracted from Mell’s age and 16 is added to Jerry’s age, their ages will be equal. Wha
irga5000 [103]

Answer:


Step-by-step explanation:

Let J = Jerry's age

Let M = Mary's age = 2J

 

M - 16 = J + 16

 

Substitute 2J for Mary's age

 

2J - 16 = J + 16

2J - J - 16 = 16

J = 16 + 16

J = 32

 

Jerry is 32.

Mary is twice as old as Jerry.

Mary is 2(32) = 64

3 0
3 years ago
Read 2 more answers
What is m∠8 if m∠4 = 50°?
r-ruslan [8.4K]

Answer:

D) 50°. You got parallel lines cut by a traversal, so angles 4 and 8 are congruent because they're corresponding angles.

Step-by-step explanation:

6 0
3 years ago
Find, correct to the nearest degree, the three angles of the triangle with the given vertices.
Leokris [45]

Answer:

angle CAB = 113.8 degree

angle ABC = 35.6 degree

angle BCA = 30.6 degree

Step-by-step explanation:

Given data:

A(1, 0, −1),

B(5, −3, 0),

C(1, 5, 2)

calculate the length of side by using the distance formula

so

AB = (5,-3,0) - (1,0,-1) = (4,-3,1)

AC= (1,5,2) - (1,0,-1) = (0,5,3)

|AB|

|AC| =\sqrt {(0 + 5^2+3^2)} = \sqrt{34}

From following formula, calculate the angle between the two side i.e Ab and AC

AB.AC = |AB|*|AC| cos ∠CAB

(4,-3,1).(0,5,3)

4*0 -3*5 +1*3

-12 =

cos ∠CAB = - 0.404

angle CAB = 113.8 degree

BA =B- A =  (1,0,-1) - (5,-3,0) = (-4,3,-1)

BC = (1,5,2)-(5,-3,0) = (-4,8,2)

|BA| = \sqrt{(26)}

|BC| = \sqrt {(4^2 + 8^2 + 2^2)} = \sqrt{(84)}

BA.BC = |BA|*|BC|* cosABC

(-4,3,-1).(-4,8,2) =\sqrt{(26)} * \sqrt{(84)} *cosABC

16+24-2

cos ∠ABC = 0.813

angle ABC = 35.6 degree

we know sum of three angle in a traingle is 180 degree hence

sum of all three angle = 180

angle BCA + 35.6 + 113.8 = 180

angle BCA = 30.6 degree

7 0
3 years ago
An airplane takes off at 12 1/2 miles south of a city and flies due north at a constant speed of 170 mph. What is the planes pos
stealth61 [152]

41 hour = 60 minutes

 45 min / 60 min = 0.75 hour

170 mph * 0.75 hr = 127.5 miles flown

127.5 - 12.5 = 115

 the plane is 115 miles north of the city

3 0
3 years ago
PLEASE Find the equation of the line............................perpendicular to the line y= 5x -1 and passes through the points
dimaraw [331]
Since it's perpendicular to the line with the slope 5, you take the reciprocal of 5 which is 1/5 and change the sign: -1/5. So you have the equation: y=-(1/5)+b. To find b you substitute x and y for the coordinate (10,8). 
y=(-1/5)x+b
8=(-1/5)10+b
8=(-10/5)+b
8=-2+b
<u>+2 +2</u>
10=b

So your new equation is: y=<u>1x</u>+10
                                         5
8 0
2 years ago
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