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Mathematics, 27.12.2019 01:31 ged32802p4gf0r
If johnny takes a rope with the length of x^2+2x-5/6x-2 and cuts of 3x-2/2, how much of the rope is left (in feet)?
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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?
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If johnny takes a rope with the length of x^2+2x-5/6x-2 and cuts of 3x-2/2, how much of the rope is...
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