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  1. so make a stickman drawing. y = h and x = d (9x + 14)/10 = 60 - 0.096(x-25)^2 9x + 14 = 600 - 0.96(x-25)^2 -0.96x^2 -x(9 + ( 50*0.96)) + 586 = 0 use the binomial solution x = -b +- (b^2 - 4ac) / 2a where ax^2 + bx + c = 0; to find the two x's where line of site meets flare. -55 +- (27.83451) = -82.834510953131545903632868035956 & 27...

    2 Answers · Science & Mathematics · 09/06/2013

  2. Let the plane's distance from the point above the radar station = a Let the plane's distance from the radar station = b I don't know how to derive the cosine formula, assuming that's part of the question, but using it in this problem, we get: b^2 = a^2 + 25 - 2(a)(5)cos(90° + 35°) = a^2 + 25 - 10 a cos 125...

    1 Answers · Science & Mathematics · 11/11/2008

  3. At 2pm, the eastbound plane has traveled 240km, while the southbound plane has flown 180km. The separation at this point is sqrt(240^2 + 180^2) = 300km. As to how fast they are separating, keep in mind that one plane left an hour later than...

    2 Answers · Science & Mathematics · 13/08/2013

  4. Let wind speed = x km/h Distance = 990 km ______________Downwind_______Upwind Speed (km/h)____600 + x_________600 - x 990 / ( x + 600 ) + 990 / ( 600 - x ) = 10/3 2970 (600 - x) + 2970 (x + 600) = 10 (600 + x) (600 - x) 1782000 + 1782000 = 10 ( 360000 - x ² ) 10 x ² = 3,600,000 - 3...

    2 Answers · Science & Mathematics · 29/06/2011

  5. If it were travelling east or west 0 degrees, it has just been sped up or slowed down. If it were travelling north or south then you can draw a triangle showing the planes path... Draw a line going up for...

    1 Answers · Science & Mathematics · 06/07/2012

  6. 310 miles in 10 minutes is 31 miles per minute or 1860 miles per hour. Your friend's model was flying at about 2.5 times the speed of sound! That's some model!

    3 Answers · Science & Mathematics · 01/11/2011

  7. Remember the basic distance formula: D = RT Solve it for time: T = D/R Plug in your values: D : distance in miles (28) R : rate in miles per hour (185) T : time in hours T = 28/185...

    3 Answers · Science & Mathematics · 03/05/2016

  8. Okay, well, there is no image or anything, so I can't give you a perfect answer, because I can't know exactly what it is that I'm calculating against. However, if the plane dropped its bomb right now, the bomb would travel 420.0...

    2 Answers · Science & Mathematics · 14/02/2010

  9. 700 cos 23⁰ = 644.4 km west of St. Louis

    4 Answers · Science & Mathematics · 02/02/2016

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