exam Maths Puzzle Numerical Ability

THE QUANTITY y VARIES AS x AND INVERSELY AS z. IF y=15 WHEN x= 50 AND z= 10, FIND y WHEN x= 65 AND z= 5.

PLEASE HELP ME LEARN HOW TO EVEN BEGIN THIS PROBLEM.. I DO NOT EVEN KNOW

Read Solution (Total 0)

exam Other Question

SOLVE THE SYSTEMS USING THE GAUSS-JORDAN METHOD

THIS IS MY PROBLEM: x-2y= -1
2x+y= -7

I KNOW HOW TO FIRST SET IT UP BUT FROM THERE IT IS ALL DOWN HILL.. Solve 2log4 x - log4 9 = 1.

Simplify sqrt5 - 1/sqrt5.

Simplify (-16x^-3y^2/8xy^-4)^-3.

Thanks.