Mathematics, 04.12.2019 21:31 reinasuarez964
You may read in the newspaper that a study of a new drug for cancer "increased survival by an average of eight weeks." it turns out that this is a median, and it is used for complicated statistical reasons. but in a perfect world, would you prefer to know the increase in mean or median survival?
Answers: 2
Mathematics, 21.06.2019 23:30
If a runner who runs at a constant speed of p miles per hour runs a mile in exactly p minutes what is the integer closest to the value p
Answers: 2
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
Mathematics, 22.06.2019 04:00
Yesi's dog weighed 5 pounds when she got him. he now yesi's dog weighed 5 pounds when she got him. he now weighs 45 pounds. how much did yesi's dog gain, in ounces?
Answers: 1
You may read in the newspaper that a study of a new drug for cancer "increased survival by an averag...
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