Mathematics, 15.07.2021 01:40, Narutokun
U. S cities hire about 17,000 police officers per 10,000 residents for a 17/10,000 ratio a new police chief for a city of 35,000 residents wants to match that ratio. How many police officers are needed
Answers: 3
Mathematics, 21.06.2019 18:00, Manglethemango9450
What is the solution to the equation in the & show work iām very
Answers: 1
Mathematics, 21.06.2019 19:00, katherinemartinez173
Simplify. ā4x^2 (5x^4ā3x^2+xā2) ā20x^6ā12x^4+8x^3ā8x^2 ā20x^6+12x^4ā4x^3+8x^2 ā20x^8+12x^4ā4x^2+8x ā20x^6+12x^4+4x^3ā8x^2
Answers: 1
Mathematics, 22.06.2019 00:00, nshadow2920
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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