Mathematics, 05.03.2021 23:30 WolfMeadows
Renting a bicycle costs $10 for the first hour and $5 for each additional hour.
Let x represent the number of additional hours. If you have $20 to spend, which of the
equations below could be used to find how many hours you can rent a bicycle?
Answers: 1
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What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove
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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
Renting a bicycle costs $10 for the first hour and $5 for each additional hour.
Let x represent the...
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