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igor_vitrenko [27]
3 years ago
10

What type of correlation/association exists?

Mathematics
1 answer:
LuckyWell [14K]3 years ago
3 0

Answer:

Negative Correlation

Step-by-step explanation:

there is a negative correlation between the number of hours you sleep in and the number of hours you are awake during the day as the longer you are either awake or asleep the less time you will be doing the other thing

Here is a graph I made that will hopefully help you understand.

Even if I switched around the label for the x or y-axis, the correlation would still remain the same because the more you stay asleep, the less you will be awake and vice versa.

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Andreas93 [3]

Answer:

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5 0
2 years ago
What is 4/5 shown in two different ways
Juliette [100K]

Answer:

8/10, 16/20 and more!!

Step-by-step explanation:

if you multiply both the top number by 2,

you will get 8/10!! this is the same amount

just dividing each fifth into smaller pieces

you can go further and do 16/20, 32/40

64/80, 128/160 and INFINITE WAYS MORE!!

8 0
3 years ago
Read 2 more answers
Discrete Mathematics I
faust18 [17]

ANSWER



The general solution is 86+280n, where n is an  integer



<u>EXPLANATION</u>



In order  to solve the linear congruence;



33x \equiv 38(mod\:280)



We need to determine the inverse of 33 (which is a Bézout coefficient for 33).



To do that we must first use  the Euclidean Algorithm to verify the existence of the inverse by showing that;



gcd(33,\:280)=1



Now, here we go;



280=8\times33+16



33=2\times 16+1



16=2\times 8+0



The greatest common divisor is the last remainder before the remainder of zero.



Hence, the gcd(33,\:280)=1.



We now express this gcd of 1 as a linear combination of  33 and 280.



We can achieve this by making all the non zero remainders the subject and making a backward substitution.



1=33-2\times 16--(1)



16=280-33\times8--(2)



Equation (2) in equation (1) gives,



1=33-2\times (280-8\times33)



1=33-2\times 280+16\times33



1=17\times33-2\times 280



The above linear combination tells us that  17 is the inverse of 33.



Now we multiply both sides of our congruence relation by 17.



17\times 33x \equiv 17\times 38(mod\:280)



This implies that;



x \equiv 646(mod\:280)



x \equiv 86.



Since this is modulo, the solution is not unique because any integral addition or subtraction of the modulo (280 in this case) produces an equivalent solution.



Therefore the general solution is,



86+280n, where n is an  integer

6 0
3 years ago
Read 2 more answers
Question 3<br> What is the slope of a line that passes through the points (-5,2) &amp; (11, -16)
aev [14]

Answer:m=-9/8

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Do you remember how to solve a multistep linear equation with variables on both sides? Review with a Quick Check.
vladimir1956 [14]

Answer:

Step-by-step explanation:

5(a-1) -15 = 3(a+2) +4, distribute multiplication over subtraction and addition

5a -5 -15 = 3a +6 + 4, isolate the variable on one side

5a -3a = 6 +4 +5 +15, combine like terms

2a = 30, divide both sides by 2

a= 15

4 0
3 years ago
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