a group of 11 women and 16 men must select a 6-person committee. how many committees are possible if it must consist of 5 men?

To find the height of the bird feeder, we can use the formula for the volume of a cylinder, which is V = πr^2h, where V is the volume, r is the radius, and h is the height of the cylinder. In this case, the volume is given as 100 cubic inches, and the radius is 2 inches.

Substituting the known values into the formula, we have:

100 = 3.14 × 2^2 × h

Simplifying the equation:

100 = 3.14 × 4 × h

100 = 12.56h

To solve for h, we divide both sides of the equation by 12.56:

h = 100 / 12.56

h ≈ 7.97

Therefore, the approximate height of the bird feeder is approximately 7.97 inches.

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The probability of selecting a star-shaped straw from a cup that contains orange juice is 1/3.

The probability that a randomly selected cup contains a star-shaped straw given that the cup contains orange juice is obtained by dividing the number of cups containing orange juice and star-shaped straws by the total number of cups containing orange juice.

P(probability) = (Number of cups containing orange juice and star-shaped straws) / (Number of cups containing orange juice)

We are not given any information about the number of cups, thus we can assume that it is an equal amount. Hence, the number of cups containing orange juice would be equal to the number of cups containing different flavored juices. Therefore, Number of cups containing orange juice = Number of cups containing different flavored juices

The number of cups containing orange juice and star-shaped straws is not given, so we can assume that it is 3 since there are three flavors of juice. The number of cups containing orange juice and star-shaped straws = 3

Thus, the probability that a randomly selected cup contains a star-shaped straw given that the cup contains orange juice is: Probability = (3/9) = 1/3

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The probability that exactly two or exactly three out of a random sample of five modems from the store's inventory are defective is 0.256.

To solve this problem, we can use the binomial distribution formula. Let X be the number of defective modems in a sample of 5 randomly selected modems. Then, we need to find P(2 <= X <= 3), which is the probability of having exactly 2 or exactly 3 defective modems in the sample.
To calculate the probability of a defective modem from source a, we can use the fact that 20% of the modems from this source are defective. So, the probability of selecting a defective modem from source a is 0.2. Similarly, the probability of selecting a defective modem from source b is 0.08.
Now, we can use the binomial distribution formula:
P(2 <= X <= 3) = P(X = 2) + P(X = 3)
P(X = k) = (n choose k) * p^k * (1-p)^(n-k)
where n is the sample size (5), k is the number of defective modems, and p is the probability of a defective modem.
P(X = 2) = (5 choose 2) * 0.2^2 * 0.8^3 = 0.2048
P(X = 3) = (5 choose 3) * 0.2^3 * 0.8^2 = 0.0512
Therefore, P(2 <= X <= 3) = 0.2048 + 0.0512 = 0.256.
In other words, the probability that exactly two or exactly three out of a random sample of five modems from the store's inventory are defective is 0.256.

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To simplify the expression 3x^3 + 2y^3 + 6x^3 + 5y, we can combine like terms to get 9x^3 + 2y^3 + 5y.

The given expression has two terms with x cubed and two terms with y cubed. We can combine the coefficients of the x cubed terms and the coefficients of the y cubed terms to get:

3x^3 + 6x^3 = 9x^3

2y^3 = 2y^3

Therefore, the simplified expression so far is 9x^3 + 2y^3.

The last term in the given expression is 5y, which is not like the first two terms. Therefore, the expression cannot be simplified any further by combining like terms. The final simplified expression is 9x^3 + 2y^3 + 5y.

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The answer is closest to 0.196. This means that if we repeat the experiment many times, we would expect to draw the blue marble twice in approximately 19.6% of the trials.

We can solve this problem using the hypergeometric probability distribution. The hypergeometric distribution is used when we have a finite population and we want to calculate the probability of drawing a certain number of objects of a specific type without replacement.

In this case, the population consists of 8 marbles, one of which is blue. We want to calculate the probability of drawing the blue marble twice when we draw 5 marbles without replacement. The number of ways to choose 5 marbles out of 8 is given by the binomial coefficient:

C(8,5) = 56

The number of ways to choose the blue marble twice and the other three marbles from the remaining 7 is:

C(1,2) * C(7,3) = 35

Therefore, the probability of drawing the blue marble twice is:

P = 35/56 = 0.625.

The closest answer choice to this probability is 0.196. Therefore, the answer is closest to 0.196. This means that if we repeat the experiment many times, we would expect to draw the blue marble twice in approximately 19.6% of the trials.

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In radical form, the perimeter is 2√(7) yards, and in decimal form, it's approximately 57.8 yards (rounded to one decimal place).

a. To find the length and width in decimal form, simply multiply the given values by √7.

Width = 2√7 yards ≈ 5.3 yards (rounded to one decimal place).

Length = 10√7 yards ≈ 23.6 yards (rounded to one decimal place).

b. To find the length of the diagonal fence, you can use the Pythagorean theorem since it forms a right triangle with the width and length of the dog run.

Diagonal (d) = √[tex](Width^2 + Length^2)[/tex]

d = √([tex](5.3 yards)^2[/tex] + [tex](23.6 yards)^2)[/tex]

d ≈ √(28.09 + 556.96)

d ≈ √585.05 yards

In decimal form, the diagonal fence is approximately 24.2 yards (rounded to one decimal place).

c. To find how many yards of fencing the owner needs to replace the old fence, add the four sides of the rectangular dog run:

Perimeter = 2(Width + Length)

Perimeter = 2(5.3 yards + 23.6 yards)

Perimeter = 2(28.9 yards)

Perimeter ≈ 57.8 yards (rounded to one decimal place).

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[tex]\textit{using the pythagorean theorem} \\\\ c^2=a^2+o^2\implies c=\sqrt{a^2 + o^2} \end{array} \qquad \begin{cases} c=hypotenuse\\ a=\stackrel{adjacent}{4}\\ o=\stackrel{opposite}{7} \end{cases} \\\\\\ c=\sqrt{ 4^2 + 7^2}\implies c=\sqrt{ 16 + 49 } \implies c=\sqrt{ 65 }\implies c\approx 8.1[/tex]

We cannot conclude that listening to Mozart will lead to much higher scores on an IQ test based on the given information.

While the mean IQ scores were 1.2 points higher after listening to Mozart, the statistical significance of this difference depends on the chosen level of significance (alpha level) and the sample size. The p-value of 0.0004 indicates that if there is no difference in IQ scores between the Mozart and silent background conditions in the population, there is only a 0.04% chance of observing a sample mean difference of 1.2 points or larger. However, we would need to know the alpha level and sample size used in the study to determine if this is statistically significant at a practical level. Additionally, this experiment only shows a correlation between listening to Mozart and higher IQ scores, and cannot prove causation.

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Step-by-step explanation:

There are 36 possible rolls

NONE will result in a '5'  total

0/36    

 there is nothing on the blue die that added to from the green die = 5

The correct statement is given as follows:

Together, Walk and Cable Car are the preferred transportation for 268 residents.

The amounts are obtained applying the proportions in the context of the problem.

The percentages are given as follows:

Hence, out of 400 people, the amounts are given as follows:

Hence the total for walk and cable car is given as follows:

160 + 108 = 268 people.

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The loading buffer that the protein is mixed with typically contains a variety of components that serve different purposes in preparing the protein sample for analysis.

The key components that are commonly found in loading buffer include a reducing agent such as beta-mercaptoethanol or dithiothreitol, which helps to break down disulfide bonds in the protein and denature it for easier separation by gel electrophoresis. Other components that may be included in the loading buffer are a detergent such as sodium dodecyl sulfate (SDS), which helps to solubilize the protein and gives it a negative charge that allows it to migrate through the gel towards the positive electrode during electrophoresis. Additionally, loading buffer may contain a tracking dye such as bromophenol blue or xylene cyanol, which helps to visualize the progress of the protein migration through the gel.

Overall, the specific composition of the loading buffer can vary depending on the experimental protocol and the protein being studied, but the goal is always to prepare a homogeneous and denatured protein sample that can be effectively analyzed by gel electrophoresis or other techniques.

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Answer:

The answer is 5/10

Step-by-step explanation:

Just trust me! I got it right!

To calculate the probability of the next treat eaten by a blue jay being a peanut, we need to determine the ratio of peanuts to the total number of treats observed.

Based on the data provided, we can count the number of peanuts eaten by the blue jays. In this case, out of the 10 treats listed, 5 of them are peanuts.

To calculate the probability, we divide the number of peanuts by the total number of treats observed. Therefore, the probability that the next treat eaten by a blue jay will be a peanut is 5/10 or 0.5 (50%).

Since the blue jays have eaten an equal number of peanuts and non-peanut treats so far, the probability suggests that the next treat they consume is equally likely to be a peanut or a different type of treat.

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The value of x that makes the equation true is -8. The correct option is C.

To find the value of x that makes the equation true, follow these steps:
1. Write down the given equation: 2(x - 4) + 48 = -3x
2. Distribute the 2 to both terms inside the parentheses: 2x - 8 + 48 = -3x
3. Simplify the equation by combining like terms: 2x + 40 = -3x
4. Add 3x to both sides of the equation to isolate x terms on one side: 2x + 3x + 40 = -3x + 3x
5. Simplify further: 5x + 40 = 0
6. Subtract 40 from both sides to isolate the x term: 5x + 40 - 40 = 0 - 40
7. Simplify: 5x = -40
8. Divide both sides by 5 to solve for x: 5x / 5 = -40 / 5
9. Simplify: x = -8
The value of x that makes the equation true is -8 (Option C).

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The number of trials is typically represented by the letter "n" in statistics. This refers to the number of independent and identical observations that are taken during an experiment or study. The population proportion, on the other hand, is often represented by the letter "p".

This refers to the proportion or percentage of individuals in a population that exhibit a certain characteristic or behavior. For example, if we were studying the proportion of people who prefer chocolate ice cream, "p" would represent the percentage of people in the population who prefer chocolate ice cream.

It's important to note that the number of trials and the population proportion are both key factors in statistical analysis, as they can help researchers draw conclusions about the population as a whole based on a smaller sample size.

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Answer:

$2,600

Step-by-step explanation:

To find the cost of the concrete foundation of a building in the shape of a rectangular prism, multiply its volume (in cubic yards) by the cost per cubic yard.

The volume of a rectangular prism is the product of its width, length and height.

[tex]\boxed{V=w \cdot l \cdot h}[/tex]

Given values:

Therefore, the volume of the concrete foundation is:

[tex]\begin{aligned}V&=13 \cdot 20 \cdot 2\\&=260 \cdot 2\\&=520\; \sf yd^3\end{aligned}[/tex]

Given the concrete costs $5 per cubic yard, multiply the volume by the cost to calculate the total cost of the concrete for the foundation is:

[tex]\begin{aligned}\textsf{Total cost}&=\sf Volume \cdot cost\\&=\sf 520 \; yd^3 \cdot \$5/yd^3\\&=\sf 520 \cdot \$5\\&= \sf \$2600\end{aligned}[/tex]

Therefore, the total cost of the concrete for the foundation is $2,600.

20√2 is the value of y, which is the hypotenuse.

In a right triangle, the hypotenuse is the longest side and is opposite the right angle. The side opposite to the 45° angle is the same as the base, which is adjacent to the 45° angle.

Therefore, the height is opposite to the other acute angle.

Let's use trigonometric ratios to find the length of the hypotenuse.

We know that:

cos 45° = adjacent/hypotenuse

cos 45° = 1/√2

So, hypotenuse = adjacent/cos 45° = 20/ (1/√2) = 20√2

Therefore, the value of y, which is the hypotenuse, is 20√2.

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Answer:

Step-by-step explanation:

True, a pie chart should be considered when you have just one data series to plot. A pie chart is a circular chart that is divided into slices to represent numerical proportions.

Each slice of the pie chart represents a category or percentage of a whole. Pie charts are useful when you want to display relative proportions or percentages of a single data series. They are easy to understand and provide a quick visual representation of data. However, pie charts are not recommended for complex data sets or when comparing multiple data series. In such cases, a bar chart or a line graph may be a better option. It is important to choose the right type of chart based on the nature of the data and the purpose of the visualization.

True, a pie chart should be considered when you have just one data series to plot. A pie chart is a circular graphical representation of data that displays the size of items in one data series as a proportion of the total sum of the items. The individual data points are shown as slices or segments of the pie, with each segment's size representing the proportion of the whole.

Pie charts are particularly useful for visualizing percentages and proportions of a whole, and they work best when there are a limited number of categories in the data series. They are simple and easy to understand, making them a popular choice for presenting information to a broad audience.

However, pie charts may not be the best choice for every situation. If there are too many categories, the segments may become too small to easily distinguish between them. Additionally, if you need to compare multiple data series or trends over time, other chart types, such as bar or line charts, might be more appropriate.

In summary, pie charts are an effective choice for visualizing a single data series with a limited number of categories, especially when the goal is to show proportions or percentages. If these conditions are met, a pie chart can be a useful and easily understood way to display your data.

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Answer:

the answer is -2

MARK IT AS A BRAINLIEST PLS, THANKS!

The final Exponential function is: y = 20(4)^x

To write an exponential function in the form y = ab^x that goes through two points, we need to first determine the values of a and b.

Given points (0, 20) and (2, 320), we can use the first point to determine the value of a:

y = ab^x

20 = ab^0  (when x = 0, y = 20)

20 = a(1)

a = 20

Now we can use the second point to determine the value of b:

y = ab^x

320 = 20b^2  (when x = 2, y = 320)

16 = b^2

b = 4 or -4

Since b cannot be negative in this case (as it is an exponential growth function), we can use b = 4.

Therefore, the exponential function that goes through the points (0, 20) and (2, 320) is:

y = 20(4)^x

We can check this by plugging in the x-values of the two given points:

y = 20(4)^0 = 20 (when x = 0, y = 20, as expected)

y = 20(4)^2 = 320 (when x = 2, y = 320, as expected)

So the final exponential function is: y = 20(4)^x

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The statement "answer = x > 100 ? 0 : 1;" is a ternary operator in programming, which means it evaluates a condition and returns one of two values depending on whether the condition is true or false. The answer is: B) Assign 1 to answer.

In this case, the condition is "x > 100", which means "Is x greater than 100?"

If x equals 17 and answer equals 20, the condition is false because 17 is not greater than 100. Therefore, the statement will return the value after the question mark, which is 1.

So the answer is: B) Assign 1 to answer.

The given statement is using the ternary conditional operator, which has the following format: condition ? value_if_true : value_if_false.

In this case, the statement is:
answer = x > 100 ? 0 : 1;

Given that x = 17 and answer = 20, let's evaluate the statement step-by-step:

1. Check the condition: x > 100
  Since x = 17, the condition is false (17 is not greater than 100).

2. Since the condition is false, we choose the value after the colon (:), which is 1.

3. Finally, assign the chosen value to answer: answer = 1

So the correct option is B) Assign 1 to answer.

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Realizando los cálculos, encontramos que el kilo de plátanos tiene un precio de 1.20€ y el kilo de peras tiene un precio de 1.80€.

Para resolver este problema, podemos plantear un sistema de ecuaciones utilizando el método de sustitución. Denotemos por "x" el precio del kilo de plátanos y por "y" el precio del kilo de peras.

A partir de la primera información, tenemos la ecuación 2x + 3y = 7.80€.

De la segunda información, obtenemos la ecuación 5x + 4y = 13.20€.

Podemos resolver este sistema de ecuaciones utilizando el método de sustitución. Despejamos "x" de la primera ecuación: x = (7.80€ - 3y)/2.

Sustituyendo este valor de "x" en la segunda ecuación, tenemos:

5((7.80€ - 3y)/2) + 4y = 13.20€.

Simplificando y resolviendo la ecuación resultante, encontramos el valor de "y" (precio del kilo de peras). Después, sustituimos este valor en la primera ecuación para obtener el valor de "x" (precio del kilo de plátanos).

Realizando los cálculos, encontramos que el kilo de plátanos tiene un precio de 1.20€ y el kilo de peras tiene un precio de 1.80€.

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The percent of the beads that were blue is 40%. To determine the percent of beads that were blue, we need to first find the total number of blue beads and then divide that by the total number of beads.

The total number of blue beads is 20, which we can determine from the problem statement. The total number of beads is 50, which we can calculate by adding the number of red, blue, and green beads together:

10 + 20 + x = 50

where x represents the number of green beads

Solving for x, we get:

x = 20

Therefore, there were 20 green beads, and the total number of beads is 10 + 20 + 20 = 50.

Now we can calculate the percent of beads that were blue:

20/50 x 100% = 40%

Therefore, 40% of the beads were blue.

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The solution is x = 0 and y = 22.

Equation 1: y = -3x + 22

Substitute y in Equation 2:

5x + 2(-3x + 22) = 44

Simplify and solve for x:

5x - 6x + 44 = 44

-x + 44 = 44

-x = 0

x = 0

Substitute x = 0 back into Equation 1 to find Y:

Y = -3(0) + 22

Y = 0 + 22

Y = 22

So the solution is x = 0 and y = 22.

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To determine how many cans of paint Mrs. Holland needs to paint her garage wall, we need to find the area of the wall. The wall measures 6 2/3 by 3 1/7, which can be converted to an improper fraction to make calculations easier.

6 2/3 = (6x3 + 2)/3 = 20/3

3 1/7 = (3x7 + 1)/7 = 22/7

So the wall measures 20/3 meters by 22/7 meters. To find the area, we can multiply these two values:

(20/3) x (22/7) = 440/21 square meters

Each can of paint covers 5 square meters, so we need to divide the area of the wall by 5 to determine how many cans of paint we need:

(440/21) ÷ 5 ≈ 4.19 cans

Since we can't buy a fraction of a can of paint, we need to round up to 5 cans.

So, it will cost Mrs. Holland 5 cans x $7.50 per can = $37.50 to paint her garage wall.

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The features needed to describe a rotation are Center, Direction and Angle

From the question, we have the following parameters that can be used in our computation:

The key features

From the key features, the terms that describe rotation are:

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HELLO

8x² - 2x = 1

8x² - 2x - 1 = 0

x = (-b±√(b² - 4ac)) / 2a

= (-(-2)±√((-2)² - 4*8*(-1))) / (2*8)

= (2±6)/16

x₁ = (2+6)/16 = 1/2

x₂ = (2-6)/16 = -1/4

Once you have the dimensions for each part, let me know, and I can assist you with the volume calculations and rounding to the nearest whole cubic meter. I can guide you through the process of calculating the volume of each part of the sculpture.

To calculate the volume of each part, we need to know the dimensions or specific shape of each part. If you provide the dimensions or shape information, I can help you calculate the volumes.

In general, to calculate the volume of a three-dimensional shape like a rectangular prism or cylinder, you multiply the length, width, and height (or base area and height) of the shape. Make sure to use consistent units of measurement (such as meters) for accurate results.

If you can provide the specific shapes and dimensions of the three parts of the sculpture, I can assist you in calculating their volumes. Once we have the dimensions, we can use the appropriate volume formulas and round the results to the nearest whole cubic meter, as instructed.

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Note the full question is Part B

The artist will use concrete to create the form of the sculpture. How much concrete will the artist need to make up each of the three parts that make up the sculpture?

Use the text tool to write the volume of each of the three parts on the diagram. Round each volume to the nearest whole cubic meter.

To determine the amount of concrete needed for each part of the sculpture, calculate the volume of each part based on their geometrical shape's formula and round to the nearest whole cubic meter.

To calculate the amount of concrete the artist will need for the sculpture, we need to know the volume of each of the three parts comprising the sculpture. Volumes of geometric forms are generally calculated using the formulas:

By substituting the given dimensions of each part into the appropriate formula, we can calculate the volume. Finally, each volume should be rounded to the nearest whole cubic meter. Therefore, the artist needs to have the exact volume of concrete in cubic meters for each part of the sculpture.

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To determine the sample size necessary for this study, we use the formula: n = (Z^2 * p * q) / E^2. The necessary sample size is approximately 1091.

Where:
- n = sample size
- Z = Z-score for the desired confidence level (98% confidence level corresponds to a Z-score of 2.33)
- p = estimated proportion (based on the information given, p = 0.8)
- q = 1 - p
- E = desired margin of error (3 percentage points)

Plugging in the values:

n = (2.33^2 * 0.8 * 0.2) / 0.03^2
n = 806.67

Rounding up to the nearest whole number, we get a sample size of 807. Therefore, the researcher needs to survey at least 807 women to be 98% confident that the proportion of women who wear shoes that are too small is within 3 percentage points of the true proportion.

To determine the necessary sample size for this study, we can use the formula for sample size calculation in proportion estimation:

n = (Z^2 * p * q) / E^2

where n is the sample size, Z is the Z-score corresponding to the desired confidence level, p is the estimated proportion, q is the complement of the proportion (1 - p), and E is the margin of error.

In this case, we have:
- Confidence level: 98%, which corresponds to a Z-score of 2.33 (from the standard normal distribution table)
- Estimated proportion (p): 80% or 0.80
- Complement of the proportion (q): 1 - 0.80 = 0.20
- Margin of error (E): 3 percentage points or 0.03

Now, we can plug these values into the formula:

n = (2.33^2 * 0.80 * 0.20) / 0.03^2
n ≈ 1090.65

Since we need to round to the nearest whole number, the necessary sample size is approximately 1091.

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