3 years ago

Ez points

Mathematics

1 answer:

Monica [59]3 years ago

5 0

Answer:

echo

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago

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mixer [17]

Answer:

Step-by-step explanation:

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Find the exact value of cos(alpha - beta) given sin(alpha) = - 4/5 and cos(beta) = - 5/8 in Quadrant iii and B in Quadrant ii

leva [86]

Answer:

15-4(sqrt39)/40

Step-by-step explanation:

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3 years ago

<img src="https://tex.z-dn.net/?f=%20%5Csqrt%5B4%5D%7B16%7D%20%20%5Ctimes%20%20%5Csqrt%5B4%5D%7B64%7D%20" id="TexFormula1" title

Alja [10]

The answer is:

$4\sqrt{2}$

Further explanation:

Given expression is a radical expression. Radical expressions involve fractional exponents.

<u>Given:</u>

$\sqrt[4]{16}\ *\ \sqrt[4]{64}$

Factorizing 16 and 64

$=\sqrt[4]{2*2*2*2}*\sqrt[4]{2*2*2*2*2*2}\\=\sqrt[4]{2^4} *\sqrt[4]{2^4*2^2}\\Can\ also\ be\ written\ as\\=\sqrt[4]{2^4} *\sqrt[4]{2^4}*\sqrt[4]{2^2}\\={(2^4)}^{\frac{1}{4}}*{(2^4)}^{\frac{1}{4}}*{(2^2)}^{\frac{1}{4}}\\=2*2*{(2)}^{\frac{1}{2} }\\=4*\sqrt{2}\\=4\sqrt{2}$

The answer is:

$4\sqrt{2}$

Keywords: Radical expressions, Square root

Learn more about radical expressions at:

#LearnwithBrainly

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3 years ago

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dlinn [17]

Answer:

U need to post a pic so I can see ur question

Step-by-step explanation:

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3 years ago