exam
Maths Puzzle
Numerical Ability
Please help me solve this equation: 1/R = 1/r^1 + 1/r^2 for r^2
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exam Other Question
Evaluate each function to the value specified
f(x) =x squared - 7x + 10; find (a)f(0), (b)f(5), and (c)f(-2)
How many gallons of a 42% solution must be mixed with 73 gallons of 12% solution to obtain a 20% solution?
73 + y = t
( 12% of 73) + ( 42% of y ) = 20% of t
73 + y = t