NECO 2018 Mathematics Obj And Essay Answer – June/July Expo Mathematics OBJ: 1CDAAEABAEC 11AEDDCDCDCC 21CEBDEDCBBC 31CBEEECBDCC 41DBCBCDDBCA 51BCBDCDCCEC ALWAYS SUBSCRIBE IF YOU WANT YOUR ANSWERS BEFORE THE EXAM CLICK HERE FOR no.1 THE IMAGE 1a) Log 10(20*-10)-log10(*+3)=log105 (20*-10/*+3)=log10 =5 20*-10/*+3=5 5(*+3)=20*-10 5*+15=20*-10 15+10=20*-5* 25=15* *=25/15 *=5/3=1 2/3 1b) Discount percent =15% Discount amount =#600 Actual amount paid on the article =? Original amount on the article =* 15%*=#600 15/100* =600 15*=600*100 15*=60000 *=60000/15 *=#4,000 Therefore actual amount paid on the article =#4,000-#600 =#3,400 Actual amount paid on the article =#3,400 CLICK HERE FOR no.2 THE IMAGE 2a) (X^2 Y^-3 Z)^3/4/X^-1 Y^4 Z^5 = (X^2)^3/4/X^-1 * (Y^-3)^3/4/Y^4 * Z^3/4/Z^5 = X^3/2/X^-1 * Y^-9/4/Y^4 * Z^3/4/Z^5 =X^3/2+1 * Y^-9/4-4 * Z^3/4-5 =X^5/2 * Y^-25/4 * Z^-17/4 =X^10/4 * Y^-25/4 *
Comments
Post a Comment