Which of the scatterplots have no correlation? Check all that apply.

2 answers:

8 0

Scatterplots with NO correlation (meaning scatterplots that are not grouped together) are your answers.
So you would choose the following two:
On a graph, points curve up and down.
On a graph, points are scattered over the graph.

spayn [35]3 years ago

4 0

Answer:

2,3 and 5

Step-by-step explanation:

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A wire that is 22 feet long connects the top of a pole to the ground. The wire is attached to the ground at a point that is 10 f

Ksju [112]

Answer:

19.6ft (nearest tenth)

Step-by-step explanation:

Please refer to the attached photo for better understanding.

Given Length of Wire = BC = 22ft

Given Distance from Grounded Wire to Base of Pole = AC = 10ft

Length of Pole = AB

We can use Pythagoras' Theorem to find Length of Pole, AB.

By Pythagoras' Theorem,

$c^{2} =a^{2} +b^{2} \\BC^{2} =AB^{2} + AC^{2} \\22^{2} =AB^{2} +10^{2} \\484=AB^{2} +100\\AB^{2} =484-100\\AB=\sqrt{384} ft\\=19.6ft (nearest tenth)$