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Mathematics, 21.06.2019 14:30
If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m
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Mathematics, 21.06.2019 21:00
Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?
Answers: 2
Mathematics, 21.06.2019 22:10
To prove that angle def = angle dgf by sas, what additional information is needed? def congruent to dgf dfe congruent to dfg de congruent to dg dg congruent to gf
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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
Biology, 29.06.2019 08:30
History, 29.06.2019 08:30
Mathematics, 29.06.2019 08:30
Biology, 29.06.2019 08:30
Computers and Technology, 29.06.2019 08:30
History, 29.06.2019 08:30
Biology, 29.06.2019 08:30