Help please i’ll really appreciate it
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Mathematics, 21.06.2019 18:30
The border line of the linear inequality 4x + 7y < 5 is dotted true or false?
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Mathematics, 21.06.2019 21:50
Which is the graph of this function 3 square root of x plus one if
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Mathematics, 22.06.2019 00:00
Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !
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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
Mathematics, 31.01.2020 12:00
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