Express each fraction as a percent

Mathematics

2 answers:

Contact [7]3 years ago

5 0

There's no fractions ???

Ahat [919]3 years ago

4 0

There are no fractions

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Answer:

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Step-by-step explanation:

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pantera1 [17]

Answer:

See below.

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ankoles [38]

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Step-by-step explanation:

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4 years ago

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aev [14]

Answer: $\bold{b)\quad \dfrac{17\sqrt2}{26}}$

<u>Step-by-step explanation:</u>

$\text{Given }sin\ x=-\dfrac{5}{13}\quad \text{and is in Quadrant IV}\quad \implies\quad cos\ x=\dfrac{12}{13}\\\\\text{Use the cosine sum formula: }cos(A + B) = cosA\cdot cosB-sinA\cdot sinB\\\\\implies cos\bigg(x+\dfrac{\pi}{4}\bigg)=cosx\cdot cos\dfrac{\pi}{4}-sinx\cdot sin\dfrac{\pi}{4}\\\\\\=\dfrac{12}{13}\cdot\dfrac{\sqrt2}{2}-\bigg(-\dfrac{5}{13}\bigg)\cdot \dfrac{\sqrt2}{2}\\\\\\=\dfrac{12\sqrt2}{26}+\dfrac{5\sqrt2}{26}\\\\\\=\large\boxed{\dfrac{17\sqrt2}{26}}$

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4 years ago

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