Answers created by Valour J.

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• Write the equation for the ellipse with foci at (5,-5) and (1,-5) and major axis of length 14?
  
• Two less than 4 times a number is the same as the number plus 34. Find the number?
  
• Question #0a6f5
  
• How to establish this identity?
  
• 25. A buffer is prepared by mixing picric acid and its conjugate base in a 2:1 ratio. The pH of the solution is measured as 0.079. What is the Ka of picric acid?
  
• Question #28721
  
• (125)2/3 to radical form?
  
• C(-10, -16); r = 2 what is the equation?
  
• Benhur is standing #200# feet from the base of a tall building. If he determines that the angle of elevation from the ground to the top of the building is #50# degrees, how tall is the building?
  
• Solve the equation sin(x+pi/6)=2cosx in the range of 0<x<2pi?
  
• Given that y<4, find the largest value of y such that #5tan(2y+1)=16#?
  
• Prove that 2(sin^6a+cos^6a)-3(sin ^4+cos^4a)+1=?
  
• Give the value of Tan 3pi÷2?
  
• Range of ✓x-1?
  
• Question #4c6e1
  
• If sin2a=-3/4 then a=?
  
• How do you find the constants a and b?
  
• ^3√80 in simplest Radical form?
  
• Write the standard form the equation for the circle that passes through the points (-9,-16),(-9,32), and (22,15)? then identify the center and radius?
  
• Find the product? -a*2 b*2 c *2(a + b - c)
  
• How quickly is her radius growing (in cm/day) when she can't fit through the circular stall door?
  
• Question #d7a2d
  
• #|AB|=|BC|=10\ cm# , #|AC|=12\ cm# #\Rightarrow r=?#
  
• Question #9691f
  
• In a cirlce #H#, if #angleDHG=(11x-36)^\circ# and #angleGHF=(x+12)^\circ#, find #hat{DG}#? I've found #x=17# and the #angleDHG=151^\circ#. Would you please help me on the next step to find the arc length?
  
• How do you factor #16+ 40x ^ { 2} - 25x ^ { 4}#?
  
• How do you find #(f @ g)(x)# and its domain, #(g @ f)(x)# and its domain,# (f @ g)(-2) # and #(g @ f)(-2)# of the following problem #f(x) = x+ 2#, #g(x) = 2x^2#?
  
• How do you find the derivative of #f(x)=ax+b#?