exam
Maths Puzzle
Numerical Ability
Solve using REF
x-y-2z=0
-2x+5y+10z=-3
3x+y=0
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exam Other Question
Hello,
I need help using a system of equations to solve this problem:
Trinidad has $2.35 in nickels and dimes. If she has 33 coins in all, find the number of nickels and dimes.
Thank you
The combined resistance of two resistors R1 and R2 in parallel circuit is given by the formula. Simplify the formula
Rt= 1
------------
1/R1 + 1/R2