Simplify: -3(m โ 2) โ 7m
A. -10m + 6
B. -4m + 6
C. 4m โ 6
D. 10m +...
Mathematics, 11.03.2020 22:07 anisagreen10
Simplify: -3(m โ 2) โ 7m
A. -10m + 6
B. -4m + 6
C. 4m โ 6
D. 10m + 6
Answers: 3
Mathematics, 21.06.2019 16:40
What is the average rate of change for this function for the interval from x=2 to x=4 ?
Answers: 2
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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?
Answers: 3
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