Which graph represents the solution set of the compound inequality -4 33x-1 and 2x+45 18?
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Mathematics, 23.02.2021 09:20 Alphonse8472
Which graph represents the solution set of the compound inequality -4 33x-1 and 2x+45 18?
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-10
-5
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10
0
5
5
4
-10
-5
+
10
0
5
A
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10
-5
0
5
-10
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-5
0
-10
5
10
Answers: 3
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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
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