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gregori [183]
3 years ago
15

Simplify 9 is 15% of what

Mathematics
1 answer:
weqwewe [10]3 years ago
4 0

Method\ 1:\\\\\begin{matrix}9&-&15\%&\text{divide both sides by 3}\\3&-&5\%&\text{multiply both sides by 20}\\60&-&100\%\end{matrix}\\\\Answer:\ \boxed{9\ is\ 15\%\ of\ 60}

Method\ 2:\\\\Proportion\\\\\begin{array}{ccc}9&-&15\%\\x&-&100\%\end{array}\qquad\text{cross multiply}\\\\15x=(9)(100)\\15x=900\qquad\text{divide both sides by 15}\\\boxed{x=60}

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<span>f(x) = 4x + 3
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(f o g) (5) means the function of g when g is a function of 5
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