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Alex
3 years ago
13

Which scatterplot has a correlation coefficient closest to r = –1?

Mathematics
2 answers:
UNO [17]3 years ago
5 0

A coefficient of r = -1 is a negative so the dots would move downward as they move to the right ( higher dots are on the left side, lower dots on the right side. As the coefficient gets closer to -1 the dots form more of a straight line then being scattered across the graph.

The last graph, which is marked with the blue dot is the correct one.

Igoryamba3 years ago
4 0

Answer:

its D this person was right <3

Step-by-step explanation:

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Solve for x plz show all the work. x/3=6
saul85 [17]

Answer: x=18

Step-by-step explanation:

X/3=6

We want to get x alone so we multiply both sides by 3

X=18

4 0
2 years ago
Please help me thank you in advance!
Gekata [30.6K]

Answer:

x = √6/2

Step-by-step explanation:

Side a = 1.73205 --> √3

Side b = 1.22474 --> √6/2

Side c = 1.22474 --> √6/2

6 0
3 years ago
How many real number solutions does this equation have<br> <img src="https://tex.z-dn.net/?f=-7x%5E2%2B6x%2B3%3D0" id="TexFormul
garik1379 [7]

Answer:

None

Step-by-step explanation:

8 0
3 years ago
How much does 12 go into 11
Anni [7]
It goes into it 0 times but what you can do is 11 going into 12 which would give you 1.1 instead of you making it a remainder. <span />
6 0
3 years ago
Read 2 more answers
Peter has built a gazebo, whose shape is a regular heptagon, with a side length of $1$ unit. He has also built a pathway around
Sholpan [36]

Answer:

Area of pathway = 10.375 unit²

Step-by-step explanation:

Given - Peter has built a gazebo, whose shape is a regular heptagon, with

             a side length of 1 unit. He has also built a pathway around the

             gazebo, of constant width 1 unit, as shown below.

To find -  Find the area of the pathway.

Proof -

Central angle = \frac{360}{7} = 51.43°

Now,

Central angle / 2 = \frac{360}{14} = 25.71°

And

height = \frac{1}{2}.\frac{1}{tan25.41} = 1.038

Now,

Inner area of gazebo = 7·\frac{1}{2}·1·(1.038) = 3.634 unit²

Outer area of gazebo = (\frac{2.038}{1.038})²·(3.364) = 14.009 unit²

∴ we get

Area of pathway = Outer area - Inner area

                            = 14.009 - 3.634

                            = 10.375 unit²

⇒Area of pathway = 10.375 unit²

5 0
3 years ago
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