Mathematics, 12.04.2020 18:33 vtrvfrfvrvfvnkjrf
Can someone help me I don’t know where to put these answers? Whoever helps me I will mark brainliest!
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Mathematics, 21.06.2019 15:30
1. what is the measure of ∠abc? what is the measure of ∠abd?
Answers: 1
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 00:00
How many quarts of a 50% solution of acid must be added to 20 quarts of a 20% solution of acid in order to get a 40% solution of acid?
Answers: 2
Can someone help me I don’t know where to put these answers? Whoever helps me I will mark brainliest...
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