Mathematics, 14.07.2020 16:01 deelashasharma
What system of equations is shown on the graph below? 1.2 x + y = 3 and 3 x minus 4 y = 8 2.2 x minus y = 3 and 3 x + 4 y = 8 3.2 x + y = 3 and 3 x minus 4 y = 2 4.2 x minus y = 3 and 3 x minus 4 y = negative 2
Answers: 1
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The table shows the number of students who signed up for different after school activities. activity students cooking 9 chess 4 photography 8 robotics 11 select the true statements about the information in the table.
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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
What system of equations is shown on the graph below? 1.2 x + y = 3 and 3 x minus 4 y = 8 2.2 x minu...
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