Students at a local high school are given the option to take one gym class, one music class or one of each. Out of 100 students,
1 answer:
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Step-by-step explanation:
I don't know if the first set of numbers is all in one set, but I'll do my best to give you an answer.
Really all you need to do is use PEMDAS for the first question.
(Parentheses, exponents, multiply, divide, add, subtract. In that order)
Then to simplify that fraction next to it, notice that 0.018 is 3x 0.06.
that's a 3:1 ratio, so it ends up simplifying to this:
Lastly, to solve the division of that fraction. If you divide by a fraction, you multiply whatever it's dividing by its inverse.
So...
Answer:
x=(5±√17)/4, or x ≈ 2.281 and 0.219
Step-by-step explanation:
plug into quadratic formula
simplify
≈ 2.281 and 0.219