12. For any two integers.x and y, 1x + y) = |x| + lyl

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Ответ:

sierravick123owr441

15.04.2020

Mathematics

Yes, she can make 2 scarves of length $\frac{2}{3}$ yards.

Step-by-step explanation:

Jessica used $\frac{2}{3}$ yard of fabric to make a scarf.

Now she has a fabric of length $1\frac{3}{4}$ yards = $\frac{7}{4}$ yards.

We have to find whether she can make 2 scarves or not.

∵ $\frac{2}{3}$ yards fabric is used to make scarf = 1

∴ 1 yard fabric is used to make scarf = $\frac{1}{\frac{2}{3}}$ = $\frac{3}{2}$

∴ $\frac{7}{4}$ yard fabric is used to make scarf = $\frac{3}{2}$ × $\frac{7}{4}$

$\frac{21}{8}$ ≈ $2\frac{5}{8}$

Now we can say that she can make 2 scarves of length $\frac{2}{3}$ yards.

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