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3 years ago

The one mile race is equal to how many feet

Mathematics

1 answer:

julsineya [31]3 years ago

4 0

Your answer to this question

✿ 1 Mile = 5280 feet ✿

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4 years ago

If x varies inversely as the square of y and if x=3 when y=-1, what is the value of x when y =3

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Answer:

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Step-by-step explanation:

The question states that $x$ varies "inversely" as $y^2$ . In other words, there is a non-zero number $a$ (a constant) such that:

$\displaystyle x = \frac{a}{y^2}$ .

The challenging part is to find the value of $a$ in this equation.

Given that $x = 3$ when $y = -1$ , replace the $x$ in this equation with $3$ and $y$ with $(-1)$ . This equation should still be valid:

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Hence, the relation between $x$ and $y$ becomes:

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