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stiks02 [169]
3 years ago
14

Which expression is NOT equivalent to 8 . -54?

Mathematics
2 answers:
ivanzaharov [21]3 years ago
8 0

Answer:

i need help with this too

Step-by-step explanation:

lmk if you get the answer

topjm [15]3 years ago
3 0

Answer:

1st & 4th

Step-by-step explanation:

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Select the most likely answer for the coefficient of linear correlation for the following two variables: x = the number of hours
tiny-mole [99]

Answer:

Option b) r = 0.70      

Step-by-step explanation:

We are given the following in he question:

Variables:

x = the number of hours spent studying for a test

y = the number of points earned on the test

  • Correlation is a technique that help us to find or define a relationship between two variables.  
  • A positive correlation means that an increase in one quantity leads to an increase in another quantity
  • A negative correlation means with increase in one quantity the other quantity decreases.
  • +1 tells about a a perfect positive linear relationship and −1 indicates a perfect negative linear relationship.
  • Values between 0 and 0.3 tells about a weak positive linear relationship, values between 0.3 and 0.7 shows a moderate positive correlation and a correlation of 0.7 and 1.0 states a strong positive linear relationship.
  • Values between 0 and -0.3 tells about a weak negative linear relationship, values between -0.3 and -0.7 shows a moderate negative correlation and a correlation value of of -0.7 and -1.0 states a strong negative linear relationship.

As the number of hours increases, the number of points earned on the test increases. Thus, the two variables are positively correlated.

Thus, the coefficient correlation between two variables can be given by r = 0.70, that shows a moderate positive correlation.

Option b) r = 0.70

8 0
3 years ago
Rami mixed salt with pepper to make 1/8 pound of a seasoning mixture. Rami then put an equal amount of this seasoning mixture in
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Answer:
the correct answer is C 1/32 Ib
Step-by-step explanation:
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2 years ago
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What else do i have to do to get full marks?​
VashaNatasha [74]

Answer:

rotate 180° on the y axis (to the right??)

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2 years ago
I need help with the the answer please, i don’t know it
geniusboy [140]
When you multiply 6 by 600 it equals 3,600 
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Angle ABC is formed by segments AB and BC on the following coordinate grid: A coordinate grid is shown from positive 6 to negati
Nadusha1986 [10]

Answer:

B) m∠ A'B'C' = m∠ABC

Step-by-step explanation:

A rotation does not change angle measure or side length.  It preserves congruence.

This means that the image angle, A'B'C', will be congruent to the pre-image angle, ABC.

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3 years ago
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