![subject](/tpl/images/cats/mat.png)
Mathematics, 10.10.2019 22:50 bryanmcmillianjr
Charles finished 7 laps around the track. this is 20% of the number of laps he has to do. how many laps must he do?
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:00, arianaguerin
Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:00, xXwolfieplayzXx
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
You know the right answer?
Charles finished 7 laps around the track. this is 20% of the number of laps he has to do. how many l...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 30.01.2020 22:51
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/health.png)
Health, 30.01.2020 22:51
![Konu](/tpl/images/cats/mat.png)
Mathematics, 30.01.2020 22:51
![Konu](/tpl/images/cats/istoriya.png)
History, 30.01.2020 22:51
![Konu](/tpl/images/cats/mat.png)
Mathematics, 30.01.2020 22:51
![Konu](/tpl/images/cats/mat.png)
Mathematics, 30.01.2020 22:51