![subject](/tpl/images/cats/mat.png)
Mathematics, 04.03.2021 17:10 IAmSmart5632
Katie wants to buy a bicycle that costs $200. This is
$20 more than twice what she saved last month. How
much did she save last month?.
Find the number.
![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 18:30
Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?
Answers: 1
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 03:50
Arandom sample of n = 25 observations is taken from a n(Β΅, Ο ) population. a 95% confidence interval for Β΅ was calculated to be (42.16, 57.84). the researcher feels that this interval is too wide. you want to reduce the interval to a width at most 12 units. a) for a confidence level of 95%, calculate the smallest sample size needed. b) for a sample size fixed at n = 25, calculate the largest confidence level 100(1 β Ξ±)% needed.
Answers: 3
You know the right answer?
Katie wants to buy a bicycle that costs $200. This is
$20 more than twice what she saved last month...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 02.02.2021 20:00
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
English, 02.02.2021 20:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.02.2021 20:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 02.02.2021 20:00
![question](/tpl/images/cats/fizika.png)
Physics, 02.02.2021 20:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 02.02.2021 20:00
![question](/tpl/images/cats/mat.png)
Mathematics, 02.02.2021 20:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
History, 02.02.2021 20:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.02.2021 20:00
![question](/tpl/images/cats/mat.png)
Mathematics, 02.02.2021 20:00
![question](/tpl/images/cats/istoriya.png)