Answers created by CM2607

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• Calculate ??( hofog)x if h(x) = 3x , g = 1/3x and f =2x+5
  
• Help with a few questions?
  
• How do you solve the following system?: #6x -3y =-3 , -3x +y = 8#
  
• What is the domain and range of #y=absx -2#?
  
• How do you find the solution of the system of equations #5x - 2y = 4 # and #3x + y = 9 #?
  
• How do you solve the equation #abs(6-2x)=6#?
  
• How do you find the product of #(3a-b)(2a-b)#?
  
• How do you solve #2x+ -5=-17#?
  
• How do you solve #z+12=34#?
  
• A ball is thrown upward from the roof of a 25m building. The ball reaches a height of 45m above the ground after 2s and hits the ground 5s after being thrown. What is the equation for this function?
  
• How do you write 11/15 as a percent?
  
• How do you write #403.7 times 10 ^-7# in standard notation?
  
• What is #2+3*4#?
  
• What is the perimeter of the rectangle with sides 5#1/3# in and 10#1/6#in?
  
• How do you solve the linear system by substitution 3x + y =2 and -x -3y=6?
  
• How do you solve #x^2+28x+196=0#?
  
• How do you factor the trinomial #P^2-16p+64#?
  
• How do you solve #14= - 6x + 32# by graphing?
  
• How do you solve the following linear system: # -x+2y=-6 , 5x-2y=-35 #?
  
• What is the pH of a 0.025 M aqueous solution of sodium propionate? NaC3H5O2(aq) + H2O(l) <---> HC3H5O2(aq) + Na+(aq) + OH-(aq) The Na+ is a spectator ion, so it can be eliminated from the equation to give: C3H5O2-(aq) + H2O(l) <---> HC3H5O2 -(aq) + OH