exam
Maths Puzzle
Numerical Ability
how many ounces of a 30% alcohol solution must be mixed with 40 ounces of an 80% alcohol solution to get a 70% solution?
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exam Other Question
What is log(10)100?
the (10) is an exponet.
I have a question that states: find all real zeros of the function:
a)f(x)=-7x^4+343x^2
b)f(x)=x^4-16x^2+15
I have no idea how to do these