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3 years ago

8

May types 125 words 7.5 minutes. Josh types 65 words in 3mins. Tyler types 400 words in 28 minutes. Order the student from who c

an type the fastest

1 answer:

NeTakaya3 years ago

7 0

Answer:

josh types the fastest then May and then tyler

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A circle has a radius of 3. An arc in this circle has a central angle of 20°. What is the length of the arc? Either enter an exa

Semenov [28]

Answer:

$\frac{\pi }{3}$

$2 * \pi * 3 * \frac{20}{360}$

120 $\pi$ /360 = $\frac{\pi }{3}$

Step-by-step explanation:

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3 years ago

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dalvyx [7]

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4 years ago

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Lisa [10]

Answer:

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Step-by-step explanation:

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3 years ago

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What is the derivative of the following function? f(x) = 4x^6/cos^5(x)

KIM [24]

Answer:

$f'(x) = \frac{24x^{5} \cos x + 20x^{6}\sin x}{\cos^{6}x }$

Step-by-step explanation:

We have to find the derivative of the following function:

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Now, differentiating both sides with respect to x we get,

$f'(x) = \frac{\cos^{5}x (24x^{5}) - 4x^{6}(5\cos^{4}x )(- \sin x)}{(\cos^{5}x )^{2}}$

⇒ $f'(x) = \frac{ 24x^{5} \cos x + 20 x^{6}\sin x}{\cos^{6}x }$ (Answer)

{Since, we know that, $\frac{d(mx^{n} )}{dx} = m \times n x^{(n - 1)}$ and $\frac{d(\cos^{n} x)}{dx} = n \cos^{(n - 1)} x(- \sin x)$ }

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4 years ago

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Ghella [55]

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3 years ago

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