Which of the following is the best estimate for checking the given problem
17,256 - 6,193 = 11,...
Mathematics, 03.10.2019 05:00 ssssss190
Which of the following is the best estimate for checking the given problem
17,256 - 6,193 = 11,063 ?
17,000 - 6,000
20,000 - 10,000
18,000 - 6,000
18,000 - 5,000
Answers: 1
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Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?
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60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar. what is the probability that the applicant who gets the job plays drums or guitar?
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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
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