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masya89 [10]
3 years ago
5

All my question are about math and this test determines my high school classes help if you can please

Mathematics
1 answer:
Mashcka [7]3 years ago
3 0

Answer:

y = x+2

Step-by-step explanation:

When x = 0, y =2

So, y = 0 + m

2 = 0 + m

2 = m

When x = 1, y =3

y = x + m

3 = x + 2

-2        -2

1 = x

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Debate the following statement: "Correlation means Causation." Determine whether this statement is true or false, and provide re
Pachacha [2.7K]

Answer:

Thats FALSE.

The concept CORRELATION not automatically means CAUSATION.

Step-by-step explanation:

Previous concepts

The correlation coefficient is a "statistical measure that calculates the strength of the relationship between the relative movements of two variables". It's denoted by r and its always between -1 and 1.

And in order to calculate the correlation coefficient we can use this formula:

r=\frac{n(\sum xy)-(\sum x)(\sum y)}{\sqrt{[n\sum x^2 -(\sum x)^2][n\sum y^2 -(\sum y)^2]}}  

Solution to the problem

Some useful concepts are:

Correlation is a statistical measure described with a number that describes the size and direction of a relationship between two or more variables. The correlation between variables, NOT mean that the change in one variable is the cause of the change in the values of the other variable.

Causation is a term refered to one event as the result of the occurrence of the other event for example, there is a causal relationship between event A and B like a cause and effect. One important thing to mention here is that the causation is not an easy concept to measure.

"The difference between the two types of relationships are easy to identify since one can be measured with a numerical value and the other no (Here is one example: smoking causes an increase in the risk of developing lung cancer), or it can correlate with another ( smoking is correlated with alcoholism, but it does not cause alcoholism)".

So is clear that the concept CORRELATION not automatically means CAUSATION.

6 0
3 years ago
HELP ASAP!! Lara starts from the school, which is 5 miles west and 7 miles north of the house. She travels 20 miles south, and t
Lelu [443]

Hint: Draw an xy-plane and think of points in the form (x y).

5 0
4 years ago
Read 2 more answers
Question 4 -
Rudiy27
It is c 97 cause it has the most of the same number
6 0
4 years ago
A line passes through the point (4, –2) and has a slope of One-half.
Keith_Richards [23]

Answer:

a = -6

Step-by-step explanation:

The given line in point-slope form is y + 2 = (1/2)(x - 4).

Replacing x with -4 yields                   y + 2 = (1/2)(-4 - 4)  =  (1/2)(-8)

Then y + 2 = -4, and so y = -6, or a = - 6.

8 0
4 years ago
Read 2 more answers
write an equation that would allow you to solve the following problem. mart'a jump rope is 10 inches shorter than 3 times the le
mars1129 [50]

Answer:

Step-by-step explanation:

m=marta's rope

d=dilbert's rope

3d-10=m

m+d=120

Then you can substitute equation 1 into the second one

(3d-10)+d=120

3d-10+d=120

4d-10=120

4d=130

d=32.5

m+d=120

m+32.5=120

m=120-32.5

8 0
4 years ago
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