![subject](/tpl/images/cats/mat.png)
Mathematics, 16.11.2019 03:31 10crank78
Which of the following can be used to show a cause-and-effect relationship between two variables?
a) a census
b) an experiment
c) an observational study
d) a sample survey
e) a cross-sectional survey
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:00
For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30
Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:30
Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 03:00
This size running track is usually called a 400 meter track. however if a person ran as close to the inside as possible on the track they would run less than 400 meters in one lap. how far away from the inside border would someone have to run to make one lap equal exactly 400 meters
Answers: 2
You know the right answer?
Which of the following can be used to show a cause-and-effect relationship between two variables?
Questions
![question](/tpl/images/cats/biologiya.png)
Biology, 03.02.2021 19:30
![question](/tpl/images/cats/mat.png)
Mathematics, 03.02.2021 19:30
![question](/tpl/images/cats/mat.png)
Mathematics, 03.02.2021 19:30
![question](/tpl/images/cats/mat.png)
Mathematics, 03.02.2021 19:30
![question](/tpl/images/cats/mat.png)
Mathematics, 03.02.2021 19:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 03.02.2021 19:30
![question](/tpl/images/cats/en.png)
English, 03.02.2021 19:30
![question](/tpl/images/cats/en.png)
English, 03.02.2021 19:30
![question](/tpl/images/cats/biologiya.png)
Biology, 03.02.2021 19:30
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 03.02.2021 19:30
![question](/tpl/images/cats/mat.png)
Mathematics, 03.02.2021 19:30
![question](/tpl/images/cats/mat.png)
Mathematics, 03.02.2021 19:30
![question](/tpl/images/cats/ekonomika.png)
Business, 03.02.2021 19:30
![question](/tpl/images/cats/en.png)