exam
Maths Puzzle
Numerical Ability
what is -9/0?
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exam Other Question
Simplify:
a) (-2x(^-1)+x(^2))^-2
b)(3x(^-1)+2y(^-1))^-2
c) (5(^x-4))^2(3(^-2x)^5(3^2)(^3x)/5^3(3)(5(^x+1)
I hope someone can figure out what I have typed here because I am in
1st sum of money at 6%
2nd sum of money is twice the first sum + $1000 at 10% and the total annual income is $620..
how much is invested at each rate and how did you get it.. this has to be done in the i=prt form