Answers edited by Umer F.

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• The root mean square velocity of hydrogen molecules is 183,000cm/sec, what is its density at atmospheric pressure?
  
• How can I evaluate this integral? (e^3x - 6/2x+1)dx
  
• 72 ounces is equal to how many pounds?
  
• How do I solve f'(x) for f(x)=7(x^2)+(2/(x^2))?
  
• How do you solve #-13\geq n - 4#?
  
• Question #19780
  
• Find the distance CD rounded to the nearest tenth C=(6,-5) and D=(-1,-4) ?
  
• Use FOIL to solve the problem (3x-2)(2x-3) first ?
  
• How do you solve these? please help. I need to find the period and I am so lost! Y= cot2 (x) Thank you!
  
• Calculate the molarity of a solution prepared by dissolving 5.850g of solid NaCl in enough water to make 200mL of the solution?
  
• Pinworms have smooth bodies, bilateral symmetry, and complete digestive tracts. What type of animal are they?
  
• Prove that?
  
• How do you simplify #5/8 -: 3/4#?
  
• What is the sum of the exterior angle measures, one at each vertex, of a convex polygon with 71 sides?
  
• Question #481f5
  
• Graph the function y=2/3x−1. I can't seem to remember how to do this. Can somebody refresh me plz?
  
• Volume of a square pool, which has a depth of #8# feet, is #4528# cubic feet. How much fencing will be required to fence it up to a height of #3.5# feet?
  
• What is the measure of an exterior angle in a regular heptagon?
  
• How to evaluate x?
  
• Find the 9th term in the expansion of (3x-y÷3)^12?