explain the difference between the reciprocal of a function and the inverse of a function. why must the domains of the sine, cosine, and tangent functions be restricted in order to define their inverse functions? be specific. provide examples and graphs to support your answers.3

I can't get how to type out the inequality sign, so I'm gonna use the equal to sign (=) even though it's wrong. If you get what I mean. I'll write the full answer in english tho.

x-4=12

collecting like terms, we have;

X=12+4

X=16( X is greater or equal to 16)

So for the graph, it'll be on 16 facing the the positive side( that's to the right) with the the end shaded.

Hope it helps

a. n=100

The probability that a sample proportion will be within +/-6% of the population proportion for a sample of size 100 is 0.7469.

b. n=200  

The probability that a sample proportion will be within +/-6% of the population proportion for a sample of size 200 is 0.8214.

c. n=500  

The probability that a sample proportion will be within +/-6% of the population proportion for a sample of size 500 is 0.8977.

d. n=1000 Th

The probability that a sample proportion will be within +/-6% of the population proportion for a sample of size 1000 is 0.9227.

"With a larger sample size, there is a higher probability that the sample proportion will be within a certain range of the population proportion" is the advantage of having larger sample size.

To solve this problem, we need to use the formula for the standard error of the sample proportion:

SE = [tex]\sqrt{ p \times (1 - p) / n }[/tex]

where p is the population proportion, and n is the sample size.

a) For n = 100:

SE = [tex]\sqrt{0.45 \times (1 - 0.45) / 100 }[/tex] = 0.0499

The margin of error is +/-6%, which translates to +/-0.06 in proportion units.

We can find the z-scores corresponding to these margins of error using a standard normal distribution table:

[tex]z_1[/tex] = (0.45 - 0.06 - 0.45) / 0.0499 = -1.2024

[tex]z_2[/tex] = (0.45 + 0.06 - 0.45) / 0.0499 = 1.2024

The probability of a sample proportion within +/-6% of the population proportion is the area under the normal curve between these two z-scores:

P(-1.2024 < z < 1.2024) = 0.7469

b) For n = 200:

SE = [tex]\sqrt{ 0.45 \times (1 - 0.45) / 200 }[/tex] = 0.0353

[tex]z_1[/tex] = (0.45 - 0.06 - 0.45) / 0.0353 = -1.691

[tex]z_2[/tex] = (0.45 + 0.06 - 0.45) / 0.0353 = 1.691

P(-1.691 < z < 1.691) = 0.8214

c) For n = 500:

SE = [tex]\sqrt{ 0.45 \times (1 - 0.45) / 500 }[/tex] = 0.0249

[tex]z_1[/tex] = (0.45 - 0.06 - 0.45) / 0.0249 = -2.2088

[tex]z_2[/tex] = (0.45 + 0.06 - 0.45) / 0.0249 = 2.2088

P(-2.2088 < z < 2.2088) = 0.8977

d) For n = 1000:

SE = [tex]\sqrt{ 0.45 \times (1 - 0.45) / 1000 }[/tex] = 0.0177

[tex]z_1[/tex] = (0.45 - 0.06 - 0.45) / 0.0177 = -2.5424

[tex]z_2[/tex] = (0.45 + 0.06 - 0.45) / 0.0177 = 2.5424

P(-2.5424 < z < 2.5424) = 0.9227
Advantage of a larger sample size:
With a larger sample size, there is a higher probability that the sample proportion will be within a certain range of the population proportion.

This is because a larger sample size reduces the standard error, resulting in a more precise estimate of the population proportion.

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Question:-

The population proportion is 0.45 . What is the probability that a sample proportion will be within +/-6 of the population proportion for each of the following sample sizes? Round your answers to 4 decimal places. Use z-table.

a.  n=100

b.  n=200

c.  n=500

d.   n=1000

What is the advantage of a larger sample size?

With a larger sample, there is a - Select your answer (lower or higher) Item 5 probability will be within of the population proportion .

The triangle's hypotenuse, according to the Pythagorean equation, measures 20 inches.

Let's start by using the Pythagorean theorem to relate the hypotenuse and the legs of the right triangle. According to the theorem, we have:

(5y)² = (x+8)² + (x+3)²

25y² = 2x² + 22x + 73

Now, we can use the given information about the perimeter and the difference between the hypotenuse and the shorter leg to set up a system of equations. We know that the perimeter of the triangle is:

P = (x+8) + (x+3) + 5y = 2x + 5y + 11

And we also know that the difference between the hypotenuse and the shorter leg is:

5y - (x+3) = 10

Solving for y in the second equation gives us:

y = (x+13)/5

Substituting this value into the first equation and solving for x gives us:

2x + 25(x+13)/25 = 60

2x + x + 13 = 60

3x = 47

x = 47/3

Substituting this value of x back into the equation for y gives us:

y = (47/3 + 13)/5 = 4

So the hypotenuse of the triangle is:

5y = 20

Therefore, the hypotenuse of the triangle is 20 inches long.

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A sample size of 105 was used in the study with 99% of confidence interval.

A range of values that, with a certain degree of confidence, is likely to include the population mean is known as a confidence interval for a mean. The formula for calculating the confidence interval is:

CI = X ± Zα/2 × σ/√n

where X is the sample mean, σ is the population standard deviation, n is the sample size, and Zα/2 is the critical value of the normal distribution at α/2. Here, for a 99% confidence level, α = 0.01 and Zα/2 = 2.576).

We can use this formula to solve for n:

n = (Zα/2 × σ / E)²

where E is the margin of error, which is half of the confidence interval.

In this case, we have a 99% confidence interval with a range of 152 to 160 and a standard deviation of 15.

The margin of error (E) can be calculated as half of the range of the confidence interval:

E = (160 - 152) / 2 = 4

By adding these values to the previous formula, we obtain:

n = (2.576 × 15 / 4)² = 105

Therefore, we can conclude that a sample size of at least 105 was used in this study.

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Complete question is:

A 99% confidence interval for a population mean was reported to be 152 to 160. If standard deviation is 15, what sample size was used in this study? (Round your answer up to the next whole number.)

The group of friends spent $477 on equipment.

A number can be expressed as a fraction of 100 using the word "percent." The Latin term "per centum," which means "by the hundred," is where the word "percent" originates. With "20 percent," we mean that something is 20 out of 100, or 0.2 in decimal form.

The expression of ratios, proportions, and changes through time is frequently done using percentages. We may discuss the proportion of

pupils who pass an exam, the percentage growth in sales from one year to the next, or the proportion of a population that has received a disease-prevention vaccine, for instance.

Given, they use 53% of their budget of $900.

Thus,

900 x 0.53 = 477

Hence, the group of friends spent $477 on equipment.

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Answer:

  d.  9.4 feet

Step-by-step explanation:

You want the measure of long side XY of the right triangle that has its altitude dividing the hypotenuse into segments 3 and 8 feet in length.

In this geometry, all of the right triangles are similar. That means the ratio of long side to hypotenuse is the same for all of the triangles:

  XY/(3+8) = 8/XY

  XY² = (3+8)(8)

  XY = √88 ≈ 9.4

The length of segment XY is about 9.4 feet.

__

Additional comment

As we see here, the long side of the large triangle is the root of the product of the long segment of the hypotenuse with the whole hypotenuse:

  XY=√(8(8+3)) = √88

The same relation works on the other side of the triangle. The short side of the large triangle is the root of the product of the short segment of the hypotenuse and the whole:

  short side = √(3(11)) = √33

The relation for the altitude of the triangle is that it is the root of the product of the two hypotenuse segments:

  altitude = √(3·8) = √24

(a) The probability that both inspectors assign the same safety score is 0.80.

(b) The probability that the second inspector assigns a higher safety score than the first inspector is 0.11.

(c) The expectation of marginal probability mass function of the score assigned by the first inspector is 2.83 and variance is 0.83.

(d) The expectation of marginal probability mass function of the score assigned by the first inspector is 3.00 and variance is 0.77.

(e) The scores assigned by the two inspectors are not independent of each other.

(f) The covariance of the scores assigned by the two inspectors is -0.0148.

(a) The probability that both inspectors assign the same safety score is the sum of the joint probabilities where X and Y take the same value:

P(X = Y) = P(1,1) + P(2,2) + P(3,3) + P(4,4) = 0.09 + 0.15 + 0.24 + 0.32 = 0.80

(b) The probability that the second inspector assigns a higher safety score than the first inspector is given by:

P(Y > X) = P(2,1) + P(3,1) + P(4,1) + P(3,2) + P(4,2) + P(4,3) = 0.03 + 0.01 + 0.01 + 0.03 + 0.01 + 0.02 = 0.11

(c) The marginal probability mass function of the score assigned by the first inspector is obtained by summing the joint probabilities over all values of Y:

P(X = 1) = 0.09 + 0.02 + 0.01 + 0.00 = 0.12

P(X = 2) = 0.03 + 0.15 + 0.01 + 0.01 = 0.20

P(X = 3) = 0.01 + 0.03 + 0.24 + 0.02 = 0.30

P(X = 4) = 0.01 + 0.01 + 0.04 + 0.32 = 0.38

The expectation of X is given by:

E(X) = 10.12 + 20.20 + 30.30 + 40.38 = 2.83

The variance of X is given by:

Var(X) = E(X^2) - [E(X)]^2

= (1^20.12 + 2^20.20 + 3^20.30 + 4^20.38) - (2.83)^2

= 0.83

(d) The marginal probability mass function of the score assigned by the second inspector is obtained by summing the joint probabilities over all values of X:

P(Y = 1) = 0.09 + 0.03 + 0.01 + 0.00 = 0.13

P(Y = 2) = 0.02 + 0.15 + 0.01 + 0.01 = 0.19

P(Y = 3) = 0.01 + 0.03 + 0.24 + 0.02 = 0.30

P(Y = 4) = 0.01 + 0.01 + 0.04 + 0.32 = 0.38

The expectation of Y is given by:

E(Y) = 10.13 + 20.19 + 30.30 + 40.38 = 3.00

The variance of Y is given by:

Var(Y) = E(Y^2) - [E(Y)]^2

= (1^20.13 + 2^20.19 + 3^20.30 + 4^20.38) - (3.00)^2

= 0.77

(e) To determine if the scores assigned by the two inspectors are independent of each other, we need to check if the joint probability mass function can be expressed as the product of the marginal probability mass functions.

If the scores are independent, then P(X = i and Y = j) = P(X = i)P(Y = j) for all possible values of i and j.

Checking the probabilities in the given joint probability mass function, we can see that P(X = 1 and Y = 2) = 0.03, P(X = 1) = 0.12, and P(Y = 2) = 0.20.

Since P(X = 1 and Y = 2) is not equal to P(X = 1)P(Y = 2), the scores assigned by the two inspectors are not independent of each other.

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0.0027 or 0.27% is the probability that from a sample of 40 Indianapolis residents, less than 95% were rooting for the Giants in Super Bowl XLV

To find the probability that fewer than 95% were rooting for the Giants, we need to sum the probabilities of having 0 to 19 residents rooting for the Giants out of 40, because if 19 or more residents were rooting for the Giants, then the percentage would be at least 95%.

Using the binomial distribution formula:

P(X < 0.95n) = Σ (n choose i) * p^i * (1-p)^(n-i), i = 0 to 19

where:

n = 40 (sample size)

p = 0.95 (probability of rooting for the Giants)

X = number of residents rooting for the Giants

Using a binomial distribution calculator or software, we get P(X < 0.95n) = 0.0027 or 0.27%.

Therefore, the probability that from a sample of 40 Indianapolis residents, fewer than 95% were rooting for the Giants in Super Bowl XLVI is approximately 0.0027 or 0.27%.

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To verify our response, we can multiply it by 5 to the power of see if we get 65 with our response:(log₅65) ≈ 2.737

Several fields, including mathematics, physics, engineering, and others, use logarithms extensively. These are a few instances:

1. Sound intensity: Logarithms serve as the foundation for the decibel scale that measures sound intensity.

2. Earthquakes: The Richter scale, which gauges earthquake magnitude using logarithms, was developed.

3. pH scale: A solution's acidity or basicity is determined by the pH scale, which is based on logarithms.

To find x, we can use logarithmic properties. Using base 5 to calculate the logarithm of both sides, we obtain:

(5x) log5 = log₅65

By applying the logarithm power rule, we may simplify the left-hand side as follows:

5x log5 = 65x log5

Since log5  = 1, we can further reduce to obtain:

x = log₅ 65

We can determine that using a calculator or software that:

log₅ 65 ≈ 2.737

Hence, log₅ 65=  2.737.

To verify our response, we can multiply it by 5 to the power of see if we get 65 with our response:

(log₅ 65) ≈ 2.737

This demonstrates that our response is accurate.

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The best function to use to identify the lowest-paid representative who was elected after 11/1/2024 from the given dataset would be a filter function.

A filter function is used to extract a subset of data from a larger dataset based on specific criteria. In this case, the criteria would be the governor being elected after 11/1/2024 and having the lowest salary.

The filter function would first be used to extract only the governors who were elected after 11/1/2024. Then, the minimum salary among these governors can be identified using a min function. Finally, the filter function can be used again to extract the governor with the minimum salary.

Here's an example of how this can be done in Python:

governors = [

   {'name': 'John', 'state': 'CA', 'year_elected': '11/15/2024', 'salary': 100000},

   {'name': 'Jane', 'state': 'NY', 'year_elected': '1/1/2025', 'salary': 90000},

   {'name': 'Bob', 'state': 'TX', 'year_elected': '6/1/2025', 'salary': 80000},

]

lowest_paid_gov = min(filter(lambda x: x['year_elected'] > '11/1/2024', governors), key=lambda x: x['salary'])

print(lowest_paid_gov['name']) # Output: 'Bob'

In the example above, the filter function extracts only the governors who were elected after 11/1/2024, and then the min function identifies the governor with the lowest salary among them. Finally, the filter function is used again to extract the governor with the minimum salary, which is 'Bob'.

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0.625 is a rational number. A rational-number is the number that can be expressed as ratio of two integers with a denominator (not zero).

What is rational and irrational number?

A rational number is a number which can be expressed as the product of two integers with non-zero denominators.In other words, it is a number that can be written in the form of p/q,

where:

p and q -> integers

and q -> not equal to 0.

An irrational number, is just opposite, it cannot be expressed as the ratio of 2 integers.It is a number that cannot be written as a simple fraction, and its decimal expansion continues indefinitely. The most famous examples of irrational numbers are π and √2.

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Attached is the pedigree. I found this exercise on the Internet.

The probability that both john and sue are carriers is:

The missing characters are: II-5, II-6, II-8, III-10, III-11, III-12, III-13.

Individual II-5 will have half black/half white squares. It's a square because it shows in the book that John's grandmother (I-2) fell ill.

Half black/half white transmits an allele that requires the disease allele because his mother has the disease, and his father does not carry or show the disease, so from him, John's father (II-5) only got one. normal allele.

The person will ask II-6 questions in a circle. A circle because John's mother once father is Example II-5. Since she has a daughter (John's Sister) with the disease, it means that John's sister inherited both alleles for the disease.

The Personal II-8 will have a half-black/half-white circle.

Circle because Sue's mother and father Probability Example II-7 (square). Half black/half white transmits an allele that requires the disease allele because her father has the disease, and her mother does not carry or show the disease, meaning she is from her, Sue's mother (II-8). take an old allele.

The person will ask the III-10 questions in a circle. The circle is because she is John's sister mentioned in the text. The question mark is that we can't be sure if this is an allele.

We know from the records that he has no symptoms of the disease, but if his mother is infected with only one allele, he may have inherited an allele from his father or mother, or he will inherit the disease allele. The disease allele comes from the mother, not from the father if the mother has the disease.

John, There will be questions in the People III-11 box. Square because John is a man. The question mark is that we can't be sure if this is an allele. We know from the literature that he has no symptoms of the disease, but if his mother is a carrier of only one of the disease alleles, he may have inherited the disease allele from his father. disease allele. If her mother has a disease, it is not from her father, but from her mother.

SU will have questions in the Humans III-12 circle. Circle it because she's Sue, the woman. The question mark is that we can't be sure if this is an allele. From the instructions, we learn that he has no symptoms of the disease, but that he may have inherited the disease allele from his mother, and that after his mother has the disease allele, he too can be a carrier or transmit the disease to others. The disease allele has inherited the normal allele from its mother. He inherited only one normal allele from his father.

III-13 individuals will have questions in the square. A square because according to the guide, he is Su's brother. The question mark is that we can't be sure if this is a disease allele. We know from the records that she did not show any signs of the disease, but she probably inherited the disease allele from her mother, and when her mother has the disease allele, she will also be a carrier or inherited. original allele from its mother. He inherited only one normal allele from his father.

Complete Question:

John and sue are expecting a child, but are concerned about a rare autosomal recessive disease that is present in both of their families. in the pedigree below, john is represented as individual iii-11 and sue is represented as individual iii-12. john\'s sister, iii-10, and sue\'s brother, iii-13, both do not show evidence of the disease, but john\'s paternal grandmother and sue\'s maternal grandfather both had the disease. assign the appropriate symbol to each individual in the pedigree. what is the probability that john is a carrier? probability: 66.7 % what is the probability that both john and sue are carriers?

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On solving the provided question we can say that So, the discriminant of the given quadratic equation is 109.

A quadratic equation is x ax2+bx+c=0, which is a single variable quadratic polynomial. a 0. Because this polynomial is of second order, the Basic Theorem of Algebra implies that it has at least one solution. Simple or complex solutions are possible. A quadratic equation is a quadratic equation. This means it has at least one word that must be squared. One of the most common solutions for quadratic equations is "ax2 + bx + c = 0." where a, b, and c are numerical coefficients or constants. where the variable "X" is unnamed.

The given quadratic equation is [tex]3x^2 - 5x - 7 = 0[/tex]

(a) Here, the equation is [tex]3x^2 - 5x - 7 = 0[/tex], so a = 3, b = -5, and c = -7. Therefore, the discriminant is:

[tex]b^2 - 4ac = (-5)^2 - 4(3)(-7) = 25 + 84 = 109[/tex]

So, the discriminant of the given quadratic equation is 109.

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Answer: 8.06 feet

Step-by-step explanation:

The benefit of having replication in the experiment is that it allows for a good comparison of the differences in distances traveled for the two types of balls.

What are the benefits of having replication in the experiment?

By randomly selecting and hitting 40 balls of each type, and repeating the process multiple times, the results are more likely to be reliable and representative of the entire production line.

This reduces the impact of chance or variability in the measurements and helps to establish a pattern that can be used to compare the performance of the new and old golf balls. Therefore, option B is the right answer.

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Answer: x=21

Step-by-step explanation:

The shape is a quadrilateral. (Quadrilateral= 180 degrees)

5x+18+2x+15=180 - combine like terms

7x+33=180 - subtract 33

7x=147 - divide by 7

x=21

Based on the given information, there is not enough evidence at the 0.025 level to conclude that the bags are overfilled. This can be answered by the concept of Standard deviation.

To determine whether there is enough evidence to conclude that the bags are overfilled, we need to perform a hypothesis test.

Let the null hypothesis be that the bags are not overfilled, and the alternative hypothesis be that the bags are overfilled. We can set the significance level at 0.025.

We will perform a one-sample t-test since we have a small sample size and the population standard deviation is unknown. Using the formula for the t-test statistic, we obtain a t-value of 1.58. The critical t-value for a two-tailed test with 26 degrees of freedom (n-1) and a significance level of 0.025 is 2.479. Since 1.58 < 2.479, we fail to reject the null hypothesis.

Therefore, there is not enough evidence at the 0.025 level to conclude that the bags are overfilled.

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Answer:

Mr Ellis has 9 cookies left

Step-by-step explanation:

12 × 4 = 48

12 × 3 = 36

12× 5 = 60

48+36+60= 144 cookies

144 - 135 = 9 cookies left

The rate of change using the table that is provided, can be found to be 45 miles per hour.

The rate of change can be found by the formula :

= Change in y / Change in x

Change in x is Hours

Change in y is distance

The rate of change is :
= ( 270 - 135 ) / ( 6 - 3 )

= 135 / 3

= 45

The rate of change as shown by the data on the table, is 45 miles per hour .

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Answer:

Step-by-step explanation:

You add the 7x2

Based on the information in the graph, we can establish that a person who studied for six hours could have a grade of 204.

To calculate the qualification that a person who studied 6 hours would have, we must carry out the following mathematical procedure: Rule of three.

In this case, if a person who studied for two hours had a result of 68 points, then we can make the projection to find out how much someone who studied for six hours obtained.

According to the above, this person got 204 points after studying for 6 hours.

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If Legolas shoots 3 arrows at once from his bow which consist of 177 arrows, then Legolas can shoot 59 times before he needs more-arrows.

We know that, if Legolas shoots 3 arrows at once, so he uses 3 arrows each time he shoots his bow,

To find the number of times he can shoot his bow, we divide the total number of arrows by the number of arrows that can be shoot at once.

The total number of arrows is = 177,

The number of arrows that can be shoot at once is = 3 arrows.

So, Legolas can shoot his bow = (177/3) = 59 times before he needs more arrows.

Therefore, Legolas can shoot his bow 59 times before running out of arrows.

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The given question is incomplete, the complete question is

Legolas shoots 3 arrows at once from his bow. He has 177 arrows. How many times can Legolas shoot his bow before he needs more arrows?

Answer:

Step-by-step explanation:

Step 1: We know that the cosine of an angle in Quadrant III is negative.

Step 2: We convert the given angle A into radians by multiplying it by pi/180.

A = (7/√120) * (π/180) = (7π)/(12√5)

Step 3: We use the cosine formula to find the exact value of cos A.

cos A = cos((7π)/(12√5))

Step 4: We simplify the result using trigonometric identities.

cos A = (-1/3)√5

The appropriate measure of center are median in Y and mean in Z and the garden most likely to find 12 daises with the same height is garden Y

Given that we have

Dot plots and Box plots

Where we have

Dot plots = Outliers

Box plots = No outliers

As a general rule:

Outlier = Median as the measure of center

No outlier = Mean as the measure of center

This means that the measures are

Dot plots = Median

Box plots = Mean

The garden that is most likely to find 12 daises with the same height is the garden with outliers i.e. garden Y

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At a 98% degree of confidence, the range for the mean weight of all adult male American alligators in the Everglades is (515.91, 524.09) pounds.

The standard deviation is a measurement of how widely apart a group of data values are from one another. It is a statistic that calculates the standard deviation of each data point from the dataset's mean. In other words, it reveals the degree to which the real numbers are dispersed from the mean. When the standard deviation is smaller, the data points are more closely packed around the mean, and when it is bigger, the data points are more widely spaced out from the mean. To evaluate the accuracy of the data and to compare other datasets, it is frequently employed in statistical analysis.

given

Using this formula, we can determine the margin of error (E):

where z* is the crucial value for the specified level of confidence.

We can use a conventional normal distribution table or calculator to determine z*. The value of z* for a 98% confidence interval is 2.33. (approximately).

When we change the values, we obtain:

E is equal to 2.33 * (18/89) 4.09 pounds.

Around 4.09 pounds are in the error zone.

Use the following formula to determine the confidence interval:

When we change the values, we obtain:

CI = 520 ± 4.09

CI = (515.91, 524.09) (515.91, 524.09)

At a 98% degree of confidence, the range for the mean weight of all adult male American alligators in the Everglades is (515.91, 524.09) pounds.

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Suppose a basketball player has made 215 out of 322 free throws. If the player makes the next 2 free throws, you will be paid $32, otherwise, you pay $24. To find out how much you would expect to win or lose if this game is played 590 times, the first thing to do is to find the probability that the player will make the next two free throws.In order to find the probability that the player makes the next 2 free throws, the total number of free throws attempted is 322 + 2 = 324.

The probability that the player makes each free throw is equal to the ratio of the number of successful free throws to the total number of free throws attempted.Therefore, the probability that the player makes each free throw is215/322 = 0.6667 (rounded to four decimal places)The probability that the player will make the next 2 free throws is:0.6667 × 0.6667 = 0.4445 (rounded to four decimal places).

This means that the probability that the player misses at least one free throw is:1 − 0.4445 = 0.5555 (rounded to four decimal places)If you win, you get $32, while if you lose, you have to pay $24. This means that your expected value is given by the formula:E(X) = $32(0.4445) − $24(0.5555) = −$0.22Therefore, if you played this game 590 times, you would expect to lose a total of:$0.22 × 590 = -$129.80 (rounded to two decimal places)Note that since you are expected to lose, the value is negative.

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The value of x and y in equation (a) is x = 2 and y = 41

The value of x and y in equation (b) is x = 3 and y = 4

A parallelogram is a quadrilateral with opposite sides parallel (and therefore opposite angles equal). A quadrilateral with equal sides is called a rhombus, and a parallelogram whose angles are all right angles is called a rectangle.

To solve the first quadrilateral

Let ABCD is a quadrilateral

given that,

AB = 2x + 7

DC = x + 7

∠A = (2y - 5)°

∠D = (2y + 21)°

To find the value of x and y

2x + 7 = x + 9

2x - x = 9-7

x = 2

put the value of x in equation

2y - 5 + 2y +21 = 180°

4y + 16 = 180°

4y = 180° - 16

y = 164/4

y = 41

Hence,the value of x and y is 2 and 41

In second quadrilateral we have given that,

ABCD is a parallelogram

As we know that the diagonals of a parallelogram bisect each other

so, OD = OB ana OA = OC

2y + 13 = 5y + 4

13 - 4 = 5y - 2y

9 = 3y

y = 9/3

y = 3

now, OA = OC

x + 8 = 16 - x

x + x = 16 - 8

2x = 8

x = 8/2

x = 4

Hence, the value of x and y is 4 and 3

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The statement that represents the expression 4 x (3 + 2) - 6 is:

"Four times the sum of three and two, minus six."

To write a statement for an expression, you need to describe the expression using words in a clear and concise manner. The statement should convey what the expression means or represents. Here are the steps to follow:

Identify the expression you want to represent with a statement.

Read the expression carefully and determine what mathematical operations are being performed, such as addition, subtraction, multiplication, or division.

Write out the operations in words, such as "add," "subtract," "multiply," or "divide."

Identify any constants or variables in the expression and describe them in words. For example, if the expression is 2x + 5, you would say "two times a number plus five."

Use parentheses to clarify the order of operations. For example, if the expression is 4 x (3 + 2) - 6, you would say "four times the sum of three and two, minus six."

Proofread your statement to make sure it accurately represents the original expression and is clear and concise.

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The figure's area is calculated by subtracting the entire rectangle from the empty rectangle.

The area of a rectangle in a two-dimensional plane is the space that it occupies. A rectangle is a quadrilateral, a kind of two-dimensional object with four sides and four vertices. The rectangle's four sides are all right angles or exactly 90 degrees. The rectangle's opposing edges are equal and parallel to one another. It should be observed that a parallelogram also has equal and parallel opposite sides, but the angles are not exactly 90 degrees.

The following is the solution for the figure's area:

9 (x+3) - 6x.

The entire figure's area has been described as 9 (x+3).

where 9 is the length of the rectangle and (x+3) = (x+1.5+1.5) is the width of the rectangle.

Currently, the empty space between has been assigned the value 6x.

where the rectangle's edges are 6 and x.

Therefore, the size of the figure is the entire rectangle less the empty rectangle.

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The complete question is:

Look at the figure at the right. Explain one thing that representing the area of the figure as 9(X+3)-6x tells you about the situation. Then write an equivalent expression for the area. Explain what information is in your expression that is not in 9(x+3)-6x.

I hope this answer helps .