Mathematics, 16.01.2020 02:31 katherineweightman
Asatellite dish is being designed so that it can pick up radio waves coming from space. the satellite dish will be in the shape of a parabola and will be positioned above the ground such that its focus is 40 ft above the ground. using the ground as the x-axis, where should the base of the satellite be positioned? which equation best describes the equation of the satellite?
Answers: 2
Mathematics, 21.06.2019 19:00
Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?
Answers: 3
Mathematics, 22.06.2019 00:00
Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your
Answers: 1
Mathematics, 22.06.2019 01:00
Given the numbers c = β3 and d = 4, which statement is true? a. |βc| = 3 and |βd| = β4 b. |βc| = 3 and β|d| = β4 c. β|c| = β4 and β|d| = 3 d. |βc| = 3 and β|d| = 4
Answers: 1
Mathematics, 22.06.2019 01:00
Use mathematical induction to prove the statement is true for all positive integers n, or show why it is false. 1^2 + 4^2 + 7^2 + + (3n - 2)^2 = [n(6n^2-3n-1)/2]
Answers: 1
Asatellite dish is being designed so that it can pick up radio waves coming from space. the satellit...
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