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allochka39001 [22]

3 years ago

10

a bag contains 8 red balls and 6 green balls. michelle randomly draws 3 balls from the bag. she does not replace the balls after

each draw. what is the probability that she draws 2 red balls and 1 green ball

1 answer:

earnstyle [38]3 years ago

6 0

Answer:

Red balls 2/14

Green balls 1/14

Step-by-step explanation:

I hope that helped.

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How can you find a unit rate when given a rate?

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Perform the indicated division, if any.

Rate: (500 miles)/(20 hours)
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2 years ago

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(3x^2 + 9x) / ( x^2 -2x -15)

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3 years ago

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The total revenue for Dante's Villas is given as the function R(x)=700x−0.5x^2, where x is the number of villas rented. What num

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The revenue function is,

$R(x)=700x-0.5x^2$

For maximum and minimum value, the first derivative of function is equal to 0.

Determine the first derivative of revenue function.

$\begin{gathered} \frac{d}{dx}R(x)=\frac{d}{dx}(700x-0.5x^2) \\ R^{\prime}(x)=700-0.5\cdot2x \\ =700-x \end{gathered}$

For maximum and minimum value, R'(x) = 0. So

$\begin{gathered} 0=700-x \\ 700=x \end{gathered}$

Since x = 700 corresponds to maximum or minimum value of revenue.

Determine the second derivative of revenue function.

$\begin{gathered} \frac{d}{dx}R^{\prime}(x)=\frac{d}{dx}(700-x) \\ R^{\doubleprime}(x)=-1 \end{gathered}$

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So 700 villas rented to produce maximum revenue.

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1 year ago