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Fed [463]
3 years ago
13

Please help I don’t know how to do this at all!

Mathematics
1 answer:
jarptica [38.1K]3 years ago
6 0

Answer:

16 times the square root of 6

Step-by-step explanation:

2 radical54 simplifies:

2(radical6 x radical9), which is 6 radical6

and 5 radical24 simplifies:

5(radical6 x radical4), which is 10 radical6,

10 radical6 + 6 radical6=

16 radical6

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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
What's the sender to 9 and 12
lana [24]
#9
3/8 x 4/11 = 3/22

#12
9/20 x 4/5 = 9/25
8 0
3 years ago
Read 2 more answers
Apply the distributive property to factor out the greatest common factor of all three terms. {10a - 25 + 5b} =10a−25+5b =
Rom4ik [11]

Answer:

5(2a -5 + b)

Step-by-step explanation:

(10a - 25 + 5b) = 5( 2a - 5 + b)

5(b +  2a  - 5) = 5(2a - 5 + b)

8 0
2 years ago
Help me this question is very confusing no wrong answers please
olga_2 [115]

Answer:

10

Step-by-step explanation:

maximum= most walked

then minimum would be least amount walked

4 0
2 years ago
Read 2 more answers
ILL BRAINLIEST YOU PLEASE HELP ME
-Dominant- [34]

Answer:

x = 7/\sqrt{2} or 4.949747468

Step-by-step explanation:

45-45-90 triangles have a specific pattern.

The smaller sides are x, & the hypotenuse is x*\sqrt{2}

With this knowledge, we know we have to divide the hypotenuse by \sqrt{2} to get the smaller sides, so we divide 7 by the \sqrt{2} to find x.

4 0
2 years ago
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