Mathematics, 28.05.2021 05:50 elsauceomotho
What are the amplitude, period, and midline of f(x) = -4 cos(2x - y) + 3
1) Amplitude: -4; period: pie/2 ; midline: y = -4
2) Amplitude: -4; period: pie; midline: y = -4
3) Amplitude: 4; period: pie; midline: y = 3
4)
Amplitude: 4; period: pie/2 ; midline: y = 3
Answers: 1
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
What are the amplitude, period, and midline of f(x) = -4 cos(2x - y) + 3
1) Amplitude: -4; period:...
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