2 years ago

NEED HELP ASAP I’m just an idiot and need help SO PLEASE HELP ME IM DESPERATE

Mathematics

1 answer:

melamori03 [73]2 years ago

6 0

All you gotta do is a bunch of dividing and multiplying

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3 years ago

4 of Jackson's pencils are broken. If 20% of his pencils are broken, how many pencils does he have total?

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Step-by-step explanation:

Let the total number of pencils that Jackson has be represented by x.

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2 years ago

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It is given that z varies directly with x and inversely with the square of y so it follows:

$z=k\frac{x}{y^2}$

It is also given that z=18 when x=6 and y=2 so it follows:

$\begin{gathered} 18=k\frac{6}{2^2} \\ k=\frac{18\times4}{6} \\ k=12 \end{gathered}$

So the equation of variation becomes:

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Therefore the value of z when x=7 and y=7 is given by:

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