Discover Questions

A,B,C,D is on a sphere of radius=r (cm).
AB=CD=a, AC=BD=b, AD=BC=c (cm).
1) Express r in terms of a,b & c.
2) Min value of r when 4a+5b+6c=1? Why is Russia considered a European country when a majority of it is in Asia? Calculate the concentration of the diluted solution using this equation Vi x Ci = Vf x Cf . Solve for Cf? You have 3.5 moles of potassium permanganate,it will react with - moles of potassiumnitrite: 2 KMnO4 + 3 KNO2 → 2 MnO2 + 3 KNO3 + K2O? The two acute angles of a right triangle are in the ratio 8:1. Find the number of degrees in each acute angle.?