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sleet_krkn [62]
3 years ago
6

A study is conducted to examine the correlation between Training Time and the Error Rate of employees. If the correlation coeffi

cient of Training Time and Error Rate is -0.76, what is your conclusion?
(The answer is NOT B) HELP Please!!
A Moderate positive correlation
B Strong negative correlation
C No conclusion possible
D No correlation is shown
E Strong positive correlation
Mathematics
1 answer:
sergiy2304 [10]3 years ago
5 0

Answer:

No conclusion possible

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Please help me thank you
Inessa [10]

Answer:

D) Perpendicular

Step-by-step explanation:

Red: 5y+4x=-30

Blue: y=5/4x-5

3 0
3 years ago
Richard ran the route A-B-C-D-E-F-G-H-A. Which of the following paths taken by Richard appear to be perpsndicular to path BC?​
Artist 52 [7]
<h3>Answer: B) segment CD</h3>

Perpendicular segments form a 90 degree angle (aka right angle). Segment BC appears to be perpendicular to both AB and CD. I use the phrasing "appears to be" since it's not entirely clear if they actually are perpendicular. The use of a square angle marker would indicate the segments form a 90 degree angle. Such a symbol is missing.

8 0
4 years ago
Hello anyone to help ​
Murljashka [212]

Answer: You bought 7 books and you also bought 4 magazines

Explanation:

x = # of books purchased

y = # of magazines purchased

System of equations:

8x + 5y = 76
x + y = 11

Let’s use elimination in this case, but substitution can also work.

8x + 5y = 76
Multiply the (x + y = 11) by -8

We get:

8x + 5y = 76
-8x - 8y = -88
The xs cancel.
Add like terms.
-3y = -12
Divide by -3 on both sides
y = 4

Now plug in 4 into the (x + y = 11) equation to get x.

x + (4) = 11
Subtract 4 on both sides
x = 7
4 0
3 years ago
Read 2 more answers
Please answer Thank you
Afina-wow [57]

Answer:

13.) 10.4 + 2.6

14.) x = 13

15.) the solution represents the number of liters you have

4 0
3 years ago
Read 2 more answers
A book seller gains 30% on the cost price by selling a book for $130.Calculate the cost price of the book.​
zlopas [31]

Answer:

Let the cost price be x

  • Selling price, S.P. = 130
  • Gain % = 30%

\rm{C.P. = \dfrac{S.P. \times 100}{100+ gain \% }}

\rm{C.P. = \dfrac{130 \times 100}{100+30}}

\rm{ C.P. = \dfrac{130}{30} }

\large{\boxed{\rm{ C.P. =  \dfrac{13}{3}}}}

6 0
2 years ago
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