Mathematics, 27.12.2020 18:00 georgeonnatreev3400
Associative property under integers with an example
Answers: 2
Mathematics, 21.06.2019 22:30
3. a sum of $2700 is to be given in the form of 63 prizes. if the prize is of either $100 or $25, find the number of prizes of each type.
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Mathematics, 21.06.2019 22:30
Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer
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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
Associative property under integers with an example...
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