![subject](/tpl/images/cats/mat.png)
Mathematics, 20.09.2020 14:01 tiffanybrown703
Volunteers for a research study were divided into three groups. Group 1 listened to Western religious music, Group 2 listened to Western rock music, and Group 3 listened to Chinese religious music. The blood pressure of each volunteer was measured before and after listening to the music, and the change in blood pressure (blood pressure before listening minus blood pressure after listening) was recorded. What could we do to explore the relationship between type of music and change in blood pressure
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 13:00
Which expression is equivalent to the expression below? (6c^2 + 3c) / (-4c + 2) / (2c + 1) / (4c - 1)a. 3c(2c-1) / (2c + 1)b. -3c(2c-1)^2 / (2c + 1)^2c. 3cd. -3c(just took the test its d. -3c)
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:00
Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:10
The green family is a family of six people. they have used 4,885.78 gallons of water so far this month. they cannot exceed 9,750.05 gallons per month during drought season. write an inequality to show how much water just one member of the family can use for the remainder of the month, assuming each family member uses the same amount of water every month.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30
If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).
Answers: 3
You know the right answer?
Volunteers for a research study were divided into three groups. Group 1 listened to Western religiou...
Questions
![question](/tpl/images/cats/himiya.png)
Chemistry, 03.07.2019 06:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 03.07.2019 06:30
![question](/tpl/images/cats/himiya.png)
Chemistry, 03.07.2019 06:30
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 03.07.2019 06:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 03.07.2019 06:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 03.07.2019 06:30
![question](/tpl/images/cats/mat.png)
Mathematics, 03.07.2019 06:30
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 03.07.2019 06:30
![question](/tpl/images/cats/istoriya.png)
History, 03.07.2019 06:30
![question](/tpl/images/cats/himiya.png)
Chemistry, 03.07.2019 06:40
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 03.07.2019 06:40