Please help me with question plz plz plz
...
![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 12:50
What is the simplified form of 7 âx ⢠7 âx ⢠7 âx ⢠7 âx?
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:30
Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:00
If there is no real number solution to the quadratic equation x^2+2x+c=0 what is a possible value of c? 1 -2 0 3
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?
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 24.01.2020 05:31
![question](/tpl/images/cats/mat.png)
Mathematics, 24.01.2020 05:31
![question](/tpl/images/cats/en.png)
English, 24.01.2020 05:31
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 24.01.2020 05:31
![question](/tpl/images/cats/istoriya.png)
History, 24.01.2020 05:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 24.01.2020 05:31
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 24.01.2020 05:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 24.01.2020 05:31
![question](/tpl/images/cats/mat.png)
Mathematics, 24.01.2020 05:31
![question](/tpl/images/cats/en.png)
English, 24.01.2020 05:31