Answers created by Kevin G.

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• Question #11608
  
• How do galaxies retain their form?
  
• What is the length of the hypotenuse of a right triangle if the two other sides are of lengths 9 and 10?
  
• How do you use the binomial series to expand #(1 + x)^12#?
  
• Why is the atomic mass of an element an average mass?
  
• How do you solve #10 = e ^ x#?
  
• How do you find the vertex and intercepts for #f(x)=3(x-2)^2+1 #?
  
• How do you multiply #(k-7)^2#?
  
• How do you multiply #(5t+9)^2#?
  
• How do you know if # f(x)=x^3+1# is an even or odd function?
  
• How do you find the amplitude, period, and shift for #y=4tan2(x-pi/2)#?
  
• How do you find the inverse of #y=ln(x+2)#?
  
• What is the name of #Sn(CrO_4)_2#?
  
• What is #(11pi)/12 # radians in degrees?
  
• What are the asymptotes and removable discontinuities, if any, of #f(x)=(4x^4 - x^5) / x#?
  
• How do you expand #(ln(5^1))(ln(2/(3^-2)^-2)#?
  
• How would you balance the following chemical equation: mercury (II) hydroxide + phosphoric acid --> mercury (II) phosphate + water?
  
• How do you simplify #(2m^4n^2)^4/(-18m^5n^4)#?
  
• How many grams of water are produced when propane (C3H8) burns with 12.0 L of oxygen at STP?
  
• How do you evaluate (xy)/z, when x = 10, y = 2 and z = -4?
  
• What is the area of an equilateral triangle with an apothem 2cm long and a side 6.9 cm long?
  
• Why is the electron configuration of chromium?
  
• Is it possible to factor #y=x^2 + 12x + 36 #? If so, what are the factors?
  
• How do you prove #2tan(x)sec(x) = (1/(1-sin(x))) - (1/(1+sin(x)))#?
  
• How do you solve #-2t + 2(4t + 1) = 2(4t-3) + 6#?
  
• How do you find #int csc(x)dx #?
  
• What is the standard form of #y= (2x+3x^2)(x+3) -(x-2)^3#?