Mathematics, 10.07.2019 17:10 malayalatham3357
2. suppose exam a consists of five multiple-choice questions with four choices given for each question while exam b consists of four multiple-choice questions with five choices given for each question. for which exam is a completely random guess for each answer more likely to earn a perfect score? explain.
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Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi
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Write a similarity statement for the similar triangles. afgh ~ a
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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
2. suppose exam a consists of five multiple-choice questions with four choices given for each questi...
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