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earnstyle [38]
3 years ago
5

On Saturday, 12 friends go ice skating. Altogether, they pay $83.40 for admission. They share the cost equally. How much does ea

ch person pay
Mathematics
2 answers:
kiruha [24]3 years ago
4 0
12x6.95=83.40 Ans=6.95
Svetradugi [14.3K]3 years ago
3 0
83.40/12 = 3.95
Each person pays $3.95.
Hope this helps! :D
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Derivative of<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B%20%7B3x%7D%5E%7B2%7D%20-%202x%20-%201%20%7D%7B%20%7Bx%7D%5E%7B2
Anastaziya [24]

Answer:

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Step-by-step explanation:

we would like to figure out the derivative of the following:

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to do so, let,

\displaystyle y =  \frac{ { 3x }^{2} - 2x - 1 }{ {x}^{2} }

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use law of exponent which yields:

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take derivative in both sides:

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use sum derivation rule which yields:

\rm\displaystyle  \frac{dy}{dx} =  \frac{d}{dx}  3 -   \frac{d}{dx} 2 {x}^{ - 1}  -     \frac{d}{dx} {x}^{  - 2}

By constant derivation we acquire:

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use exponent rule of derivation which yields:

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simplify exponent:

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two negatives make positive so,

\displaystyle  \frac{dy}{dx} =   2 {x}^{ -2} +      2 {x}^{  - 3}

<h3>further simplification if needed:</h3>

by law of exponent we acquire:

\displaystyle  \frac{dy}{dx} =   \frac{2 }{x^2}+       \frac{2}{x^3}

simplify addition:

\displaystyle  \frac{dy}{dx} =    \frac{2x + 2}{x^3}

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5 0
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aksik [14]

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Read 2 more answers
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