![subject](/tpl/images/cats/mat.png)
Mathematics, 18.02.2021 20:10 Jadas960
Jeannie took 40 milligrams of a medicine . The amount of medicine in her body will decrease by 15 % each hour . Approximately how much of the medicine will be left in Jeannie's body after 4 hours ?
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:00
Aspacecraft can attain a stable orbit 300 kilometers above earth if it reaches a velocity of 7.7 kilometers per second. the formula for a rocket's maximum velocity v in kilometers per second is vequalsminus0.0098tplusc ln upper r, where t is the firing time in seconds, c is the velocity of the exhaust in kilometers per second, and r is the ratio of the mass of the rocket filled with fuel to the mass of the rocket without fuel. find the velocity of a spacecraft whose booster rocket has a mass ratio of 20, an exhaust velocity of 2.1 km/s, and a firing time of 15 s. can the spacecraft achieve a stable orbit 300 km above earth?
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 01:30
If two lines form congruent alternate interior angles with a transversal, then the lines
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 02:00
Grant simplified the expression 1.5(-3.2 + 2.5) his work is shown below explain the error in grants work
Answers: 1
You know the right answer?
Jeannie took 40 milligrams of a medicine . The amount of medicine in her body will decrease by 15 %...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 24.11.2019 09:31
![question](/tpl/images/cats/himiya.png)
Chemistry, 24.11.2019 09:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.11.2019 09:31
![question](/tpl/images/cats/es.png)
Spanish, 24.11.2019 09:31
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.11.2019 09:31
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 24.11.2019 09:31
![question](/tpl/images/cats/en.png)
English, 24.11.2019 09:31
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.11.2019 09:31
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/ekonomika.png)