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Mathematics, 21.06.2019 18:30
True or false? a circle could be circumscribed about the quadrilateral below.
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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?
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Mathematics, 22.06.2019 02:30
Six random samples were taken each year for three years. the table shows the inferred population for each type of fish for each year.
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Mathematics, 22.06.2019 03:30
Find the value of x. also give me an explanation so i can complete it to other questions as well, : )
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Complete the table f(d)=d2+1...
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