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tekilochka [14]
3 years ago
6

4x squared plus 6x plus 9=0

Mathematics
1 answer:
allsm [11]3 years ago
5 0
Im confused on how you typed your problem.
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of the following, which is not true of r? The value r does not depend on the units of y and x, r is always between 0 and 1, r me
saveliy_v [14]

Answer:

  r is always between 0 and 1

Step-by-step explanation:

The untrue statement is ...

  r is always between 0 and 1

One way you can tell is that it is inconsistent with the true statement |r| ≤ 1.

_____

<em>Comment on correlation coefficient</em>

The correlation coefficient (r) is the ratio of the covariance of x and y to the product of the standard deviations of x and y. This formula is symmetrical in x and y, so it doesn't matter which data set you call x and which one you call y. Similarly, the units cancel, so r is a unitless number, and the units of x and y don't matter, either.

6 0
2 years ago
When Emily arrives from school she spent a minute eating a snack then she spent 15 playing with her dog and 32 doing her chores
Neporo4naja [7]

The question is incomplete:

When Emily arrived home from school she spent a minutes eating a snack. Then, she spent 15 minutes playing with her dog and 32 doing her chores . Finally, Emily spent 45 minutes finishing her homework. How long had Emily been home when she finished?

Answer:

Emily had been home for 1 hour and 33 minutes.

Step-by-step explanation:

In order to find the answer, first you have to add up the time she spent in each activity to find the amount of minutes she had been at home when she finished:

1+15+32+45=93

Now, you can express the 93 minutes in hours considering that one hour has 60 minutes. According to this, Emily had been home for 1 hour and 33 minutes (93-60=33).

8 0
2 years ago
SOMEONE PLS HELP :(!!!!!!
diamong [38]
It would be C as the answers
6 0
2 years ago
Which equation, when solved, results in a different value of x than the other three?
aev [14]
Solve each one to find that D is the answer
8 0
3 years ago
Read 2 more answers
Pls i need an answer now ​
Elena-2011 [213]

Answer:

Step-by-step explanation:

1. 5, 3.5, \sqrt{9\\}, -\frac{12}{5}, -7

2. 10, π ,3.1415, 0, -10

3. 1\frac{1}{2}, 1.44, 1.4(3), 1.(43), \frac{7}{5}

6 0
2 years ago
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