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Mathematics, 21.06.2019 23:00
Aquadrilateral has exactly 3 congruent sides davis claims that the figure must be a rectangle why is his claim incorrect.
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Mathematics, 21.06.2019 23:30
Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)
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Mathematics, 21.06.2019 23:30
Plzzz answer both questions and i will give you 100 points
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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, 29.04.2021 19:30
Mathematics, 29.04.2021 19:30
Mathematics, 29.04.2021 19:30
Mathematics, 29.04.2021 19:30
Mathematics, 29.04.2021 19:30
Mathematics, 29.04.2021 19:30
Mathematics, 29.04.2021 19:30
Computers and Technology, 29.04.2021 19:30
Mathematics, 29.04.2021 19:30
History, 29.04.2021 19:30