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kotegsom [21]
3 years ago
5

V\Researchers periodically survey a few thousand of the patients taking a certain medication in order to make connections betwee

n that medication and the subjects’ general health. This method of gathering data is classified as
a census.
a sample survey.
an experiment.
an observational study.
Mathematics
1 answer:
yanalaym [24]3 years ago
6 0

Answer:

The correct answer is - an observational study.

Step-by-step explanation:

It is given that, Researchers periodically survey a few thousand of the patients. These are taking specific medicine patients and researchers taking this survey to find the connection between that medication and the subjects' general health.

So, it can say that the researchers observed the patient's health by the effect of the medication, therefore, the Observational Study is the given method of gathering data.

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Kevin’s grandfather left him 100 shares of Apple Inc. and 40 shares of Ford Motor Company. How much is his stock worth, assuming
umka2103 [35]

Answer:

Step-by-step explanation:

From the problem statement, we can create the following equation:

T = 100A + 40F

Where T is the total worth of all shares, A is the price of an Apple share, and F is the price of a Ford share.

Plugging in the numbers from the problem statement, we get the following:

T = 100(536) + 40(9.85)

Multiplying these numbers out and adding them together will give you your answer.

3 0
3 years ago
Find the slope of the line
dmitriy555 [2]
-5/5 do rise over run
4 0
3 years ago
HELP! XD
Sergeu [11.5K]
9*4.25=  38.25  square inches.
4 0
3 years ago
Lia must work at least 5 hours per week in her family’s restaurant for $8 per hour. She also does yard work for $12 per hour. Li
vladimir2022 [97]
As the question states, let r be the number of hours worked at the restaurant, and y be the number of hours of yard work. 
We know that she can only work a maximum of 15 hours per work total, and that at she must work at least 5 hours in the restaurant. 
Therefore:
r + y ≤ 15
r ≥ 5
We also know that she wants to earn at least 120 dollars, earning $8/hr in the restaurant and $12/hr in the yard:
8r + 12y ≥ 120

What is the maximum of hours Lia can work in the restaurant and still make at leas 120 hours? 
Lia's parents won't let her work more than 15 hours, so we know that the answer won't be higher than 15.
If she worked all 15 hours in the restaurant, she would make 8*15 = 120.
The maximum number of hours she can work in the restaurant is therefore 15 hours

What is the maximum amount of money Lia can earn in a week? 
Lia has to work a minimum of 5 hours in the restaurant. She makes more money doing yard work, so she should devote the rest of her available work hours to yard work.
That means that, given her 15 hour work limit, she will maximize her income by working 5 hours in the restaurant and 10 hours in the yard. 
5*8 + 10*12 = 40 + 120 = 160
The most she can make is 160 dollars, working 5 hours in the restaurant and 10 hours in the yard
7 0
3 years ago
PLZZZ HELPPPPPPPPPPP
Oliga [24]

Answer:

Step-by-step explanation:

29 5x+8+x+4=90

6x=78

x=13

30 3x-7+11x-1=90

14x=98

x=7

31 3x+x+8=180

4x=172

x=43

32 6x-1+5x-17=180

11x=198

x=18

7 0
3 years ago
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