3 years ago

Find the values of x and y please help <3

Mathematics

1 answer:

lorasvet [3.4K]3 years ago

6 0

Answer:

x=90 degree

y=30 degree

Step-by-step explanation:

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HACTEHA [7]

Given:

The expression is

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To find:

The error in Frankie's work.

Solution:

We need to simplify $2\dfrac{1}{3}-1\dfrac{2}{5}$ , so

$2\dfrac{1}{3}=2\dfrac{1}{3}\times \dfrac{5}{5}$

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and,

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Now,

$2\dfrac{1}{3}-1\dfrac{2}{5}=2\dfrac{5}{15}-1\dfrac{6}{15}$

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$2\dfrac{1}{3}-1\dfrac{2}{5}=2+\dfrac{5}{15}-1-\dfrac{6}{15}$

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Therefore, there is error in Frankie's last step. In that step, he did not subtract the mixed fraction correctly.

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