Mathematics, 31.07.2021 14:00, monk68
Một lô hàng gồm 10 sản phẩm trong đó có 6 chính phẩm. Chọn ra ngẫu nhiên 3 sản phẩm. Tính xác suất để trong 3 sản phẩm đã chọn có ít nhất 2 chính phẩm.
Answers: 3
Mathematics, 21.06.2019 14:50, tinasidell1972
Need to increase the numbers of customers i talk to daily by 20% how many customers do i need to talk to if i talk to a average of 8 customers per hour during an 8 hour shift
Answers: 2
Mathematics, 21.06.2019 19:00, mcccreamullinsr
How can you tell when x and y are not directly proportional?
Answers: 1
Mathematics, 22.06.2019 00:00, nshadow2920
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
Một lô hàng gồm 10 sản phẩm trong đó có 6 chính phẩm. Chọn ra ngẫu nhiên 3 sản phẩm. Tính xác suất đ...
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