Mathematics, 01.09.2019 07:30 isaiahst573
Substitute the values of x and y into the expression -3y2+2y2+5xy-2y+5x2-3y2
Answers: 1
Mathematics, 21.06.2019 19:00
Me with geometry ! in this figure, bc is a perpendicular bisects of kj. dm is the angle bisects of bdj. what is the measure of bdm? •60° •90° •30° •45°
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 02:00
During how many months was the difference between the number of days with homework and with no homework greater than 6?
Answers: 1
Substitute the values of x and y into the expression -3y2+2y2+5xy-2y+5x2-3y2...
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