Mathematics

Mathematics, 30.10.2020 05:10, sa9334

Can someone tell me the answer and explanation plz

Can someone tell me the answer and explanation plz

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Mathematics, 21.06.2019 23:40, kamdenburr

Sanjay solved the equation below. which property did he use to determine that 7x+42=42 is equivalent to 7(x+6)=42 7x+42=42 7x=0 x=0

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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?

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Mathematics, 22.06.2019 00:30, lolagrace06

Me i’m stuck on all these questions besides the two bottom ones

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Mathematics, 22.06.2019 02:00, dilaydi1212

Given that s is the centroid of triangle mno, find sq.

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