![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)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 13:00
Solve the problem by making up an equation. a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 3 times the age of the child?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:00
Lena reflected this figure across the x-axis. she writes the vertices of the image as a'(β2, 8), b'(β5, 6), c'(β8, 8), d'(β4, 2).
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:40
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Answers: 3
You know the right answer?
Solve for x. show the equation you used and your work.
...
...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 16.03.2020 03:50
![question](/tpl/images/cats/mat.png)
Mathematics, 16.03.2020 03:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 16.03.2020 03:50
![question](/tpl/images/cats/fizika.png)
Physics, 16.03.2020 03:51
![question](/tpl/images/cats/mat.png)
Mathematics, 16.03.2020 03:51
![question](/tpl/images/cats/mat.png)
Mathematics, 16.03.2020 03:51
![question](/tpl/images/cats/mat.png)
Mathematics, 16.03.2020 03:52
![question](/tpl/images/cats/mat.png)
Mathematics, 16.03.2020 03:52
![question](/tpl/images/cats/istoriya.png)
History, 16.03.2020 03:52
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 16.03.2020 03:52
![question](/tpl/images/cats/mat.png)
Mathematics, 16.03.2020 03:52
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 16.03.2020 03:52
![question](/tpl/images/cats/mat.png)
Mathematics, 16.03.2020 03:52
![question](/tpl/images/cats/mat.png)
Mathematics, 16.03.2020 03:52
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/User.png)
SAT, 16.03.2020 03:53