Questions asked by Martyna

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• Calculate #f(2)#, knowing that with any #x≠0# the correct equality #f(x)+3f(1x)=x^2# ??
  
• How many chemical bonds are in KNO3? What are their names?
  
• Can someone explain me, what is a real root?
  
• The flower nectar contains 70% water, but bees make nectar so that only 17% of water remains in the honey. How many kilograms of nectar bees need to processed until 1 kg of honey is produced?
  
• Which two-digit number is equal to its square of sum?
  
• #0.5x^2+bx+8# How to choose #b# so that 6 children will be able to solve different inequalities and get different answers?