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Maru [420]
3 years ago
12

Sarah described the following situation:

Mathematics
1 answer:
makvit [3.9K]3 years ago
8 0

Answer:

This is an example of causation because the patient that took the medication recovered quicker than the patient that did not.

Step-by-step explanation:

Correlation is a statistical technique that shows that a relation exists between 2 variables but does not give any explanation about the relationship

Example: Correlation between Air Conditioner sales and sunglasses sold.

As the sales of the air conditioner is increasing so do the sales of sunglasses.

Causation is a statistical technique that shows a relation ship between 2 variable. It emphasizes the fact that  any change in the value of one variable will cause a change in the value of another variable.

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This is a khan question please help
Lubov Fominskaja [6]

Answer:

The answer is D

Step-by-step explanation:

You divide each by 20

5 0
2 years ago
Read 2 more answers
Solve the linear system using substitution
levacccp [35]
Hello there!

3x - y = 3
-x + y = 3

We need to solve 3x - y = 3 for y

Let start by adding -3x to both sides

3x - y = 3

3x - 3x - y = 3 - 3x

-y = 3 - 3x
We cannot leave the variable with a negative sign. We must multiply both sides by -1

-y * -1= (3 - 3x)-1

y = 3x - 3

Substitute 3x -3 for y in -x+y=3

-x + y = 3

-x + 3x - 3 = 3

2x - 3 = 3

2x = 3 + 3

2x = 6

x = 6/2

x = 3

Now substitute 3 for x in y=3x -3

y = 3x - 3

y = 3(3) - 3

y= 9 - 3

y= 6

Thus,

The answer is x=3 and y=6

It is always my pleasure to help students like you :)

As always, I am here to help!


7 0
3 years ago
Solve the equation 4x +30 = 2(x-10)
snow_tiger [21]
4x+30=2(x-10)
4x+30=2x-20
4x-2x= -30-20
2x= -50
x= -25




Mark as brainliest if you find it helpful.

4 0
3 years ago
One way to divide decimal numbers is to use an equivalent expression.
Umnica [9.8K]

Answer:

<h2><u>10</u></h2><h2><u>4</u></h2>

Step-by-step explanation:

To determine how much a decimal was multiplied, you need to find how many places the decimal moved.

In this case we can see the decimal moved once. How many times the decimal moved can be represented by the zeros in the number. So 10 = 1

100 = 2     1,000 = 3 and it keeps going.

So since the decimal moved 1 time, the answer to question one is 10

Now question 2.

Both 8.4 ÷ 2.1 and 84 ÷ 21 will give the exact same answer. It is just easier to solve. So solve which one is easier for you. I did 84 ÷ 21.

84 ÷ 21 = 4

We can verify our answer by multiplying the the divisor by the quotient

21 * 4 = 84

So 4 is the answer to question 2

6 0
2 years ago
There are 87 first graders in after care.after 39 students are picked up, the teacher put the remaining students into 4 groups f
Elden [556K]

Answer:

There are 12 students in each group

Step-by-step explanation:

87-39= 48

48/4= 12

Hope this helped. ;)

5 0
3 years ago
Read 2 more answers
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