Questions asked by Dan Kemp

• Back to user's profile
• How do you find the inscribed circle in a triangle?
  
• How many times do you have to square #2# for it to become a multiple of #3#? Is it possible? In algebraic terms, #2^x =3y#.
  
• How many times do you have to square #2# for it to become a multiple of #3#? Is it possible? In algebraic terms, #2^x=3y#.
  
• Does there have to be an addition or subtraction sign between numbers inside of a bracket in order for you to expand the bracket, or can it be a division or multiplication sign? For example, can you expand: #24 (x ÷ 5)# or #17 (x xx 8)#?
  
• Can someone please help me out with this? i am trying to solve: #54= l^2- l3#
  
• Is there a formula for #root(x)(a) xx root(y)(a)#? For example, #sqrt(81) xx root4(81)#
  
• Simplify #rootx(a^y)#? for example, #root8(5^6)#
  
• Are these two equations equivalent? Thanks. #(nx)/d xx x = (xn)/d xx y#
  
• The expansion of the binomial product #(x-a)(x-b) = x^2 - 11x + 18#, determine the values for both #a# and #b#?
  
• A man is four times as old as his son. In five years he will be only three times as old as his son. What is the man's present age?
  
• In an 80 km biathlon, a competitor completes the bicycle leg in 2 hours and the running leg in 40 minutes. If the competitor cycles 20 km/h faster than he runs, at what speed does he cycle?
  
• The distance between two towns, #"A"# and #"B"# is #350"km"#. The trip takes #3# hours, travelling #x# hours at #120 "km"/"h"# and the remaining time at #60"km"/"h"#. Find the value of #x#. ?