![subject](/tpl/images/cats/mat.png)
Mathematics, 22.07.2019 21:20 ssssss190
Arumor spreads among a group of 400 people. the number of people, n(t), who have heard the rumor by the time t in hours since the rumor started to spread can be approximated by a function of the form
n(t) = 400 / (1+399e^(-0.4t))
approximately how long will it take until half the people have heard the rumor?
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:00
Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:10
What is the domain of the given function? {(3,-2), (6, 1), (-1, 4), (5,9), (-4, 0); o {x | x= -4,-1, 3, 5, 6} o {yl y = -2,0, 1,4,9} o {x|x = -4,-2, -1,0, 1, 3, 4, 5, 6, 9} o y y = 4,-2, -1, 0, 1, 3, 4, 5, 6, 9}
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:30
Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:00
Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.
Answers: 1
You know the right answer?
Arumor spreads among a group of 400 people. the number of people, n(t), who have heard the rumor by...
Questions
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 14.02.2020 23:14
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 14.02.2020 23:14
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 14.02.2020 23:14
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mkx.png)
Arts, 14.02.2020 23:14
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 14.02.2020 23:14
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/es.png)
Spanish, 14.02.2020 23:14
![question](/tpl/images/cats/biologiya.png)
Biology, 14.02.2020 23:14
![question](/tpl/images/cats/mat.png)