Mathematics, 15.10.2019 00:40 feyundre52
Para comprar uma motocicleta, rita decidiu economizar dinheiro durante 6 meses consecutivos. para isso, ela economizou sempre o dobro da quantia economizada no mês anterior. sabendo que rita economizou 64, 00 reais no 1mes
a) qual a quantia economizada por rita em cada mês
b) quais potência de base 2 representam as quantias determinadas no item a?
c) quantos reais rita economizou ao final dos 6 meses?
Answers: 1
Mathematics, 21.06.2019 18:30
Which number line represents the solution set for the inequality -1/2x> 24?
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 00:40
Astock has a 25% probability of increasing by $10 and a 75% probability of decreasing by $5. what is the stocks expected increase or decrease?
Answers: 1
Mathematics, 22.06.2019 04:00
What's for breakfast? all people who ate at a certain restaurant were surveyed as to what they ordered on a particular sunday morning. 40 ate eggs 42 ate sausage 32 ate pancakes 13 ate sausage and eggs 15 ate pancakes and sausage 11 ate eggs and pancakes 6 ate all three items 3 people didn't eat any of the items how many people ate only pancakes? how many people ate at the resturant that morning? how many people didn't eat eggs?
Answers: 1
Para comprar uma motocicleta, rita decidiu economizar dinheiro durante 6 meses consecutivos. para is...
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