Questions asked by Tony B

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• In division by a fraction why is it that we invert and then multiply? I posted this question so that I could explain why this works.
  
• Construct an equation that models the repayment of a high value loan. Such as a mortgage. The loan is based on compound interest with a monthly calculation and repayment cycle. The site system forcing me to add a question mark: ?
  
• Explain what is happening when using the difference method for determining the greatest common factor. Why does this work?
  
• Mathematically derive the roots of #color(white)("d")y=x^3-3x-1=0# ?
  
• Len can complete a task in 4 hours less than Ron. On the other hand if they both work together on the task it is completed in 4 hours. How long would it take for each of them to complete the task on their own?
  
• For: https://socratic.org/users/jeish-g The points with coordinates (-1,4) and (1,-8) lie on a curve which has the rule of the form #y=aroot(3)(x)+b#. Find the values of #a and b#.?
  
• How do you solve #11 + sqrt(2x+1)=2#?
  
• If each pound of beef costs $2.51, how much does #4 1/3# pound cost? Round to the nearest cent.