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prisoha [69]
3 years ago
8

1. A box contains 4 red and 6 green balls. Two balls are drawn. You receive $10 if both are red and you pay $1 otherwise. What a

re your expected winnings?
Mathematics
1 answer:
scoray [572]3 years ago
6 0

Answer:

Your Winnings are $ -1

Step-by-step explanation:

Hello, great question. These types are questions are the beginning steps for learning more advanced Algebraic Equations.

Since we are not told what two balls were actually drawn, then the expected winnings would be of the greatest probability occurring. To figure this out we need to calculate the probability of getting two red balls consecutively and the probability of getting two different colors consecutively. Since there are a total of 10 balls the probabilities of getting one ball would be the following,

Red: \frac{4}{10} =  40%

Green: \frac{6}{10} = 60%

Now we need to know the probability of us getting 2 reds together, two greens, or one of each.

2 Reds: \frac{4}{10} *\frac{4}{10} = \frac{16}{100}  = 16%

2 Greens:  \frac{6}{10} *\frac{6}{10} = \frac{36}{100}  = 36%

1 Each:  \frac{4}{10} *\frac{6}{10} = \frac{24}{100}  = 24%

So we can see that the highest probability is getting 2 Greens in  a row. Meaning you would have to pay $1

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

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Sabrina works at a sporting goods store. She earns $415 per week plus a 5.25% commission on her sales. One week,her sales are 22
fenix001 [56]

Answer:

530.5

Step-by-step explanation:

=$415(salary)+$2200*5.25%(bones or week plus)

8 0
3 years ago
The growth rate of the sunflower from day 14 to day
nata0808 [166]

Option B) h = 4.5t – 27 is the equation of the straight line that best models the height h, in centimeters, of the sunflower t days after it begins to grow.

                     

From the above graph we can see that from day 14 to day 35 , it is a straight line.

And equation of a straight line is   y = mx + c  or   y – y1 = m(x – x1)

                               Where, m =slope of the line

                                             c = intercept

the equation can be rewritten as  h – h1  = m(t – t1)                    (1)

So, to find the equation of line , first we will calculate the slope of the line.

To find the slope : m = (h2 – h1 ) / (t2 – t1)                     (2)

From the graph and the table given, the coordinates (t1 , h1 ) and ( t2 , h2 ) are (14 , 36.6) and (35, 131) respectively.

Putting these values in equation (2), we get

                 m = (131 – 36.6)/(35 – 14)

                 m =  94.4/21

                 m  = 4.5

now to find the equation of line we put the values in equation (1), we get

h – 36.6 = 4.5(t – 14)

h – 36.6 = 4.5t – 63

h = 4.5t -63 + 36.6

h = 4.5t -27

Hence the equation of the line is ,   option B) h = 4.5t -27

Learn more about the straight line here : brainly.com/question/6977417

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7 0
2 years ago
Due to a rise in popularity, Penny's firm begins to make hair bows rather than flower barrettes. She can make hair bows at a rat
Basile [38]

The number of bows that Penny makes per hour and the price the firm sells at shows that the value of the marginal product is $24.95 per hour.

The highest wage the firm will pay is $24.95 per hour.

<h3>What is the value of Penny's marginal product?</h3>

This can be found by the formula:

= Price x Marginal product of Penny

= 4.99 x 5

= $24.95 per hour

The highest wage the firm can pay would be the wage amount that equals their marginal revenue as this is the only way they can maximize profit.

Their marginal revenue in this case is the $24.95 per hour that they pay to Penny so this will be their highest wage to her as well.

Find out more on profit maximization at brainly.com/question/13749309.

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5 0
2 years ago
What is 3y = 15x - 12 in y = mx + b form ?
algol13
Nope. U need to divide it all by 3. Y mustn't have anything in front of it. So u get. Y=5x-4
4 0
3 years ago
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I need help ASAP I will Name the Person that is right BRAINLEST
spayn [35]

Answer:

84!!! THANKS.

7 0
2 years ago
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