Answers created by WADU HEK

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• P2o3 oxidation no.?
  
• Factories: x^2+5x+6?
  
• How do you solve #2x^2+5=19#?
  
• What is the square root of 28?
  
• How do you find the solution to the quadratic equation #x^2 - 4x -3 = 0#?
  
• How do you find the derivatives of #y=(5x-2)^3(6x+1)^2# by logarithmic differentiation?
  
• How do you solve #2 sin x - 1 = 0# over the interval 0 to 2pi?
  
• Is #Sr(OH)_2# classified as a strong base or weak base?
  
• A substance is 27 % C and 73 % S. Which is the mass of carbon in 300. g of this substance?
  
• What is the derivative of #y=sec(2x) tan(2x)#?
  
• If #h(x) = -x^2 - 3x#, how do you solve h(-4)?
  
• How do you solve #a^ { 2} + 1= 17#?
  
• How do you solve the system of equations #3x + 2y = 11# and #x - 2= - 4y#?
  
• How do you find the domain and range of #f(x)=sqrt(24-2x)#?
  
• A) Determine the equation of the tangent line to F(x) = (2 - x^2)/(1+x) at (0,2). write your answer in the form Y=mx+b? b) determine the equation of the normal to f(x) at (0,2)?
  
• Solve the equation #sin^2x-1/2 sinx-1/2=0# where #0lexle2pi# ?