Tegan invested $5,750 in an account with an interest rate of 4% compounded annually Oliver invested 6,000 in account with a simple interest rate of 6.3% after 10 years who will have the higher balance and by how much

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

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?

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