Mathematics, 23.05.2020 19:01 tania911
Solve this equation. Does the equation have one solution, no solution, or infinitely many solution. 8(3x – 6) = 6(4x + 8)
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Mathematics, 21.06.2019 19:00
In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class
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Mathematics, 21.06.2019 20:00
Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0
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
Solve this equation. Does the equation have one solution, no solution, or infinitely many solution....
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