3 years ago

Jennie can make 7 quilts with 21 yards of material how many yards of material would be required to make 12 quilts ?

Mathematics

1 answer:

larisa [96]3 years ago

4 0

I think it's 36. Because 7x3=21 and 12x3=36

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Vaselesa [24]

It can work well here to simplify inside parentheses first.

$\displaystyle\left(\frac{4x^{-2}y^{2}}{12x^{-4}y^{-1}}\right)^{3}=\left(\frac{4}{12}x^{(-2-(-4))}y^{(2-(-1))}\right)^{3}\\\\=\left(\frac{x^{2}y^{3}}{3}\right)^{3}=\frac{x^{(2\cdot 3)}y^{(3\cdot 3)}}{3^{3}}\\\\=\frac{x^{6}y^{9}}{27}$

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Step-by-step explanation:

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trapecia [35]

Your straight line is east-west

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Eduardwww [97]

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