Mathematics, 29.02.2020 16:37 clara384

How do I answer question #4?

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 21:00, KieraKimball

Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?

Answers: 1

continue

Mathematics, 21.06.2019 22:30, noathequeen

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?

Answers: 1

continue

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

continue

Mathematics, 22.06.2019 00:20, soystersoce

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?