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soldi70 [24.7K]
3 years ago
14

The table shows the time a patient spends at the dentist and the amount of the bill.

Mathematics
2 answers:
Vaselesa [24]3 years ago
7 0

Answer:0.93

Step-by-step explanation:

Maru [420]3 years ago
5 0
The answer for this question is letter D.

This is because correlation coefficient focuses on the linear relationship between two variables. The numbers between -1 and 1 should be one of the value related to the bill. As you can that letter D is the most closest and realistic answer.
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3 0
3 years ago
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For which values of p and q, will the following pair of linear equations have infinitely many
Tema [17]
In order to have infinitely many solutions with linear equations/functions, the two equations have to be the same;
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(2p + 7q)x = 4x [1]
(p + 8q)y = 5y [2]
2q - p + 1 = 2 [3]
All we have to do is choose two equations and solve them simultaneously (The simplest ones for what I'm doing and hence the ones I'm going to use are [3] and [2]):
Rearrange in terms of p:
p + 8q = 5 [2]
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p + 2 = 2q + 1 [3]
p = 2q - 1 [3]
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10q = 6
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Now, substitute q-value into rearranges equations [2] or [3] to get p:
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