![subject](/tpl/images/cats/mat.png)
Mathematics, 01.11.2019 01:31 book0001
Teenage tobacco use: in a random sample of 1100 teenagers, 207 had used tobacco of some form in the last year. the managers of an anti-tobacco campaign want to claim that less than 20% of all teenagers use tobacco. test their claim at the 0.10 significance level.
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/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 20:30
Ateacher brought a pack of 17 batteries . each calculator uses 3 batteries . how many calculator can the teacher fill with batteries
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:30
Solve the following: 12(x^2–x–1)+13(x^2–x–1)=25(x^2–x–1) 364x–64x=300x
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:00
The equation of line wx is y=2x-5. write an equation of a line perpendicular to line wx in slopeintercept form the contains points (-1,-2)
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:30
Isaac wants the equation below to have no solution when the missing number is placed in the box. which number should he place in the box?
Answers: 2
You know the right answer?
Teenage tobacco use: in a random sample of 1100 teenagers, 207 had used tobacco of some form in the...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 21.06.2019 16:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 16:30
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:30
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 16:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:30
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 16:30
![question](/tpl/images/cats/en.png)
English, 21.06.2019 16:30
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 21.06.2019 16:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:30