Mathematics, 30.06.2019 21:30 tsvijay121
The legs of triangle are 3 in and 4 in. use the pythagorean therom to find the length of the hyptoenuse
Answers: 1
Mathematics, 21.06.2019 19:00
Write a function for a rotation 90 degrees counter clockwise about the origin, point 0
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Mathematics, 21.06.2019 20:00
Select the number of ways in which a line and a circle can intersect
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Mathematics, 21.06.2019 21:00
The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years
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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
The legs of triangle are 3 in and 4 in. use the pythagorean therom to find the length of the hyptoen...
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