Mathematics, 22.12.2019 08:31 cmcdonnell8812
Abox of ice cream bars costs $1.50 after a 25% discount. what was the original price of the box of ice cream bars? if b represents the original price before the discount, which equation describes the situation?
Answers: 2
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
Abox of ice cream bars costs $1.50 after a 25% discount. what was the original price of the box of i...
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