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# Given parallelogram ABCD, solve for X Answers: 3  ### Another question on Mathematics Mathematics, 21.06.2019 23:30
In a normal distribution approximately what percentage of data falls within on standard deviation of the mean?
Answers: 1 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 00:00
Add, subtract, multiply, or divide as indicated. list any restrictions for the variable(s) and simplify the answers when possible. 1) x-2 / x+5 + 3x / 2x-1 2) x+6 / x-6 - x^2 / x+6 3) x+9 / x-4 + x+2 / x^2-11x+28 4) x / x^2-64 + 11 / 2x^2+11x-40 5) 5 / x + 11 / x-3 - x-4 / x^2+2x-15
Answers: 1 Mathematics, 22.06.2019 00:30
What is the correct decimal form of 12%
Answers: 2
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Given parallelogram ABCD, solve for X...
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