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Lerok [7]
3 years ago
5

Bro how do i do geometry

Mathematics
1 answer:
dimulka [17.4K]3 years ago
8 0

Answer:

Diagram for success. ...

Know your properties and theorems. ...

Understand Euclid's postulates. ...

Learn the language of math. ...

Know your angles. ...

Know your triangles. ...

Figure out what you want and what you're given. ...

Now fill in the rest.

Step-by-step explanation:

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Help me and you get 100 points and Brainliest
OlgaM077 [116]

hey someone else has already answered this!

a. To find the least squares regression equation for a group of (x,y) points:

Step 1: For each point(x,y), we need to calculate x² and xy first.

Step 2: Sum all x, y, x² and xy, which gives us Σx, Σy, Σx² and Σxy

Step 3: Calculate Slope m: m = (NΣxy − Σx Σy)/ N(Σx²) − (Σx)² , here N is the number of data.

Step 4: Calculate Intercept b: b = Σy − m(Σx)/ N

Step 5: Assemble the equation as y= mx+b

Here, we have ∑x = 120, ∑y= 1379, ∑x²= 919.5, ∑xy= 10466 and N= 16

So, m= (NΣxy − Σx Σy)/ N(Σx²) − (Σx)²

=

=

=  

= 6.33

and b = Σy − m(Σx)/ N

=

=

=

= 38.71

So, the least squares regression equation is : y= mx+b ⇒ y= 6.33x +38.71

b. When x= 8, then y= (6.33×8)+38.71 = 50.64 + 38.71 =89.35

The approximate test score of a student who sleeps an average of 8 h a night is 89.35%

EVERYTHING IS FROM sicista on brainly!

8 0
3 years ago
Read 2 more answers
17.25 round up to ones
Irina18 [472]
17.24

Since 7 comes after 5 we need to round to the next number.....18.00

17.24 rounded to ones = 18.00

Hope I helped:P

7 0
3 years ago
Read 2 more answers
Please help me out!!
solniwko [45]
The slope is 1 because it is parallel and y=x+b, so, 2=-3+b and b=5
y=x+5

8 0
3 years ago
Nine increased by a number
Alina [70]
increased: add/addition ( + ) \\ Number: z


9 + z \\ or \\ z + 9

good\\ luck \\ on  \\ your \\ assignment & also enjoy \\ your \\ day

                                        ~MeIsKaitlyn :)
7 0
3 years ago
Helpppppppppppp 33points
Evgen [1.6K]

1st page: it is the fourth answer, y is less than or equal to 12

2nd page: it is the second answer, m is less than or equal to 450

3rd page: it is the first answer, x > -3

4th page: it is the fourth answer, b is more than or equal to 500

5 0
3 years ago
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