Mathematics, 03.07.2019 05:30 jones03riley
It is given that the straight line l1: (k+1)x-y-8=0 is parallel to the straight line l2: (2k-1)x-y-3k=0. 1)find k 2)if the straight line l3 is perpendicular to l2 and has the same x-intercept as l2, find the equation of l3
Answers: 1
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Find the perimeter of the triangle with vertices d(3, 4), e(8, 7), and f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.
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Let x = a + bi and y = c + di and z = f + gi. which statements are true?
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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
It is given that the straight line l1: (k+1)x-y-8=0 is parallel to the straight line l2: (2k-1)x-y...
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