Answer: To minimize the time taken by the woman to reach point C, she should minimize the total distance traveled, which is the sum of the distance she walks and the distance she rows.
Let's call point B the point where the woman switches from walking to rowing. We can find the location of point B by drawing a straight line from A to the center of the lake, and then continuing that line on the other side of the lake to point C. Point B is the point where this line intersects the circle of the lake.
Since the radius of the lake is 4, the distance from A to the center of the lake is also 4. Therefore, the distance from A to B is also 4. The distance from B to C is also 4, since C is diametrically opposite to A.
Let's call the distance that the woman rows from B to C d. Then the distance that she walks from A to B is 4 - d.
The time taken to walk a distance of (4 - d) miles is:
t1 = (4 - d) / 10
The time taken to row a distance of d miles is:
t2 = d / 5
The total time taken is:
T = t1 + t2 = (4 - d) / 10 + d / 5
Simplifying, we get:
T = (8 + d) / 20
To minimize T, we need to find the value of d that minimizes (8 + d) / 20. We can do this by taking the derivative of (8 + d) / 20 with respect to d and setting it to 0:
d(T) / d(d) = 1/20
Setting this to 0, we get:
1/20 = 0
This is obviously not true, so there is no minimum value of T. However, we can see that as d gets larger, T gets larger, and as d gets smaller, T gets smaller. Therefore, the minimum value of T occurs at one of the endpoints of the interval [0, 4]. Since d cannot be negative, the only endpoint we need to consider is d = 4.
When d = 4, the woman rows the entire distance from B to C, and does not need to walk at all. Therefore, the total time taken is:
T = (8 + 4) / 20 = 0.6 hours
Therefore, the woman should walk to point B, and then row the rest of the way to point C, to arrive in the shortest possible time.
Step-by-step explanation:
consider the following data set when answering questions 9-12. in a study of jury behavior, participants were provided details about a trial in which the defendant was obviously guilty. although group 2 was told the same details as group 1, they were also told that some evidence had been withheld from the jury by the judge. later the participants were asked to recommend a jail sentence in years. the length of sentence suggested by each participant is presented below. group 1 scores: 4 4 3 2 5 1 1 4 group 2 scores: 3 7 8 5 4 7 6 8 what is the null hypothesis for this test? the groups will differ in their suggested sentences the second group will have a longer mean sentence than group one the second group will have a shorter mean sentence than group one the 2 groups will not differ in terms of their suggested sentences
The null hypothesis for this test is that the 2 groups will not differ in terms of their suggested sentences.
The null hypothesis is a statement that there is no difference between the two populations or variables being tested.
It can be thought of as the "default" position, which assumes that any observed difference is due to chance.
The null hypothesis is usually written in a way that it can be tested and rejected or not rejected through statistical analysis.
The null hypothesis for this test is that the two groups will not differ in terms of their suggested sentences.
This means that any difference between the groups in their suggested sentences is due to chance and not a difference in the population or variables being tested.
This hypothesis can be tested and rejected or not rejected through statistical analysis.
If the two groups do differ in their suggested sentences then the null hypothesis will be rejected and it will be concluded that the difference is not due to chance but rather due to a difference in the population or variables being tested.
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Is 20/√40 the same as 1/√2
Answer:
Step-by-step explanation:
[tex]\sqrt{40}[/tex] = [tex]\sqrt{4}[/tex] x [tex]\sqrt{10}[/tex] = [tex]2\sqrt{10[/tex]
[tex]\frac{20}{2\sqrt{10} }[/tex] = [tex]\frac{10}{\sqrt{10} }[/tex]
[tex]\frac{10}{\sqrt{10} } * \frac{\sqrt{10} }{\sqrt{10} } = \frac{10\sqrt{10} }{10} = \sqrt{10} }[/tex]
[tex]\frac{1}{\sqrt{2} } = \frac{1}{\sqrt{2} } * \frac{\sqrt{2} }{\sqrt{2} } = \frac{\sqrt{2} }{2}[/tex]
From the above since [tex]\frac{20}{\sqrt{40} }[/tex] is not equal to [tex]\frac{1}{\sqrt{2} }[/tex] it implies that they are not the same
A company sells widgets. The amount of profit, y, made by the company, is related to the selling price of each widget, x, by the given equation. Using this equation, find out the maximum amount of profit the company can make, to the nearest dollar.
y= -2x^2+145x−1051
As a result, the corporation can earn a maximum profit of **$1,292** to the nearest dollar
WHAT IS PROFIT?Profit is a financial gain that occurs when the revenue from a company activity is more than the costs, costs, and taxes required to support the activity. To put it another way, profit is what is left over after all costs have been subtracted from revenue1.
For instance, if a business sells widgets for $100 apiece and the cost of production is $50 each widget, the profit would be $50. The business would make $10,000 in total income and incur $5,000 in total costs if it sold 100 widgets. There would be $5,000 in total profit.
Using the given equation y=-2x²+145x1051 we can utilise the procedures below to get the greatest profit the corporation may make:
1. Using the equation x = -b/2a, where a = -2 and b = 145, determine the x-coordinate of the parabola's vertex.
2. To determine the highest possible value of y, substitute this x value into the equation.
These actions result in:
x = -b/2a = -145/(2×(-2)) = 36.25
When we enter this x value into the equation, we obtain:
y = -2(36.25)² + 145(36.25) - 1051 ≈ $1,292
As a result, the corporation can earn a maximum profit of **$1,292** to the nearest dollar.
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Jody's team scored 26, 25, 34, 28, and 32 points at the last five basketball games.
What does the mean number of points Jody's team scored represent?
Responses:
A mean of 29 means that the data values are relatively close together and Jody's team scored around 29 points each game.
A mean of 29 points means that the data is very spread out.
A mean of 29 points means that Jody's team scored exactly 29 points in each of the last 5 games.
Answer: A
Step-by-step explanation:
pleasee help I don’t understand how to do this
The area within the floor plan that Mutt can roam is determined as 37.7 m².
What is the area that Mutt can roam?
The total possible area that Mutt can roam is calculated as follows;
A = πr²
where;
r is the radius if the circle = length of Mutt's leash = 6 mA = π (6 m)²
A = 113.1 m²
The area outside the 120⁰ is calculated as follows;
θ = 360 - 120
θ = 240⁰
A = 240⁰/360 x 113.1 m²
A = 75.4 m²
The area that Mutt can roam is calculated as follows;
A = 113.1 m² - 75.4 m²
A = 37.7 m²
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In triangle ∆ABC, m<A = 33°, m<C = 58°, and AB = 25 in. What is AC to the nearest tenth of an inch?
1. 16.1 in.
2. 38.9 in
3. 42 in.
4. 12 in.
The length of AC using the laws of sines is 29.5 inches
Calculating the length of ACWe can use the law of sines to solve this problem.
The law of sines states that in any triangle ∆ABC:
a/sin(A) = b/sin(B) = c/sin(C)
where a, b, and c are the lengths of the sides opposite to the angles A, B, and C, respectively.
In this case, we know that m<A = 33°, m<C = 58°, and AB = 25 in.
We need to find AC, which is opposite to angle A.
Let's use the law of sines to solve for AC:
AC/sin(B) = AB/sin(C)
Where
B = 180 - 33 - 58
B = 89
So, we have
AC/sin(89°) = 25/sin(58°)
This gives
AC = 29.5 in. (rounded to the nearest tenth)
Therefore, the answer is 29.5 inches
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16. pen problems a. a rectangular pen is built with one side against a barn. two hundred meters of fencing are used for the other three sides of the pen. what dimensions maximize the area of the pen? b. a rancher plans to make four identical and adjacent rectan- gular pens against a barn, each with an area of 100 m2 (see figure). what are the dimensions of each pen that minimize the amount of fence that must be used?
a. The dimensions that maximize the area of the pen are 33 meters by 100 meters.
b. The dimensions of each rectangular pen that minimize the amount of fence used are 10sqrt(2) meters by 10sqrt(2) meters.
a. To maximize the area of the rectangular pen, we need to find the dimensions that use up all 200 meters of fencing, except for the side that is against the barn. Let the length of the pen be x and the width be y. Then we have:
Perimeter of the pen = 2x + y = 200 - x (since one side is against the barn)
Simplifying this equation, we get:
3x + y = 200
Area of the pen = xy
Now we can express y in terms of x using the equation above:
y = 200 - 3x
Substituting this into the expression for area, we get:
A(x) = x(200 - 3x) = 200x - 3x^2
To maximize the area, we need to find the value of x that makes A(x) as large as possible. We can do this by taking the derivative of A(x) with respect to x and setting it equal to 0:
A'(x) = 200 - 6x
200 - 6x = 0
x = 33.33
Since we can't have a fractional length, we choose x = 33 meters (rounded to the nearest meter). Then y = 200 - 3x = 100 meters.
b. Let the dimensions of each rectangular pen be x and y. Then we have:
Area of each pen = xy = 100
Perimeter of each pen = 2x + 2y
We want to minimize the amount of fence used, which is equal to the total perimeter of all four pens. So, we need to find the dimensions that minimize the total perimeter subject to the constraint that the area of each pen is 100. We can use Lagrange multipliers to solve this problem:
L(x, y, λ) = 2x + 2y + λ(xy - 100)
Taking the partial derivatives with respect to x, y, and λ, we get:
∂L/∂x = 2 + λy = 0
∂L/∂y = 2 + λx = 0
∂L/∂λ = xy - 100 = 0
Solving these equations simultaneously, we get:
x = y = sqrt(200/λ)
xy = 100
Substituting the first equation into the second equation, we get:
sqrt(200/λ)^2 = 100
λ = 2
Substituting λ = 2 back into the first equation, we get:
x = y = sqrt(200/λ) = 10sqrt(2)
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When adding or subtracting mixed numbers with like denominators, the numerators ___ , but the denominators ______ .
A. Stay the same
B. change
Answer:
Yo, when you adding or subtracting mixed numbers with the same denominators, the numerators stay chill, they don't change, bro.
But the denominators, they also stay the same, man. It's like keeping things consistent, ya feel me? So the answer is A, dude. Numerators stay put, denominators stay put. It's all good vibes, bro! ✌️
HELP!! 10 POINTS
uhm yeah thats all I've got to say
The correct statement regarding the middle 50% of the data-set is given as follows:
C. The box, from 41 to 56.
What does a box-and-whisker plot shows?A box and whisker plots shows these five features from a data-set, listed as follows:
The minimum non-outlier value.The 25th percentile, which is the median of the bottom 50%.The median, which splits the entire data-set into two halfs, the bottom 50% and the upper 50%.The 75th percentile, which is the median of the upper 50%.The maximum non-outlier value.The box, from the 25th percentile of 41 to the 75th percentile of 56, shows the middle 50% of the data-set.
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A fair die will be rolled 12
times. What is the probability that 1
, 2
, or 3
is rolled at most 9
times? Round your answer to four decimal places
The probability of getting 1, 2, or 3 at the most 9 times after rolling a fair die 12 times is given by 0.9807.
Probability that 1, 2, or 3 is rolled at most 9 times,
Consider all the possible outcomes of rolling a fair die 12 times.
Count the number of outcomes where 1, 2, or 3 is rolled at most 9 times.
Use the complementary probability,
Probability that 1, 2, or 3 is rolled more than 9 times,
Then subtract that probability from 1 .
Let X be the number of times 1, 2, or 3 is rolled in 12 rolls.
Then X follows a binomial distribution with n=12 and p=1/2,
Since there are 3 favorable outcomes out of 6 possible outcomes on each roll.
The probability that 1, 2, or 3 is rolled more than 9 times can be calculated as follows,
P(X > 9) = P(X = 10) + P(X = 11) + P(X = 12)
= (¹²C₁₀) (1/2)^10 (1/2)^2 + (¹²C₁₁) (1/2)^11 (1/2)^1 + (¹²C₁₂) (1/2)^12 (1/2)^0
= 66/2^12 + 12/2^12 + 1/2^12
= 79/2^12
Probability that 1, 2, or 3 is rolled at most 9 times is,
P(X ≤ 9)
= 1 - P(X > 9)
= 1 - 79/2^12
= 4017/2^12
Rounding this to four decimal places gives,
P(X ≤ 9) ≈ 0.9807
Therefore, the probability that 1, 2, or 3 is rolled at most 9 times is approximately 0.9807.
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a number c increased by 3 is less than or equal to -18
which method uses an arithmetic mean to forecast the next period? group of answer choices naive. exponential smoothing. none of the above moving averages. adaptive filtering.
The method that uses an arithmetic mean to forecast the next period is "moving averages".
Which method is suitable for arithmetic mean?The method that uses an arithmetic mean to forecast the next period is the "moving averages" method.
In this method, the average of the past observations is calculated, and this average is used as the forecast for the next period.
The number of past observations used in the calculation of the moving average depends on the specific variant of the method being used.
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I need help simplifying this expression
The expression simplified is 5³ = 125
How to simplify the expression?Remember that in products the exponents add up and in quotients the exponents are reduced.
Then we can write the numeartor as:
5⁻³*5⁸ = 5⁻³⁺⁸ = 5⁵
Now the quotient becomes:
5⁵/5² = 5⁵⁻² = 5³
That is the expression simplified.
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Find the three trigonometric ratios . If needed, reduce fractions.
The trigonometric ratios with respect to the angle C are:
sin(C) = 15/17, cos(C) = 8/17, tan(C) = 15/8, cosec(C) = 17/15, sec(C) = 17/8, cot(C) = 8/15
What is trigonometric ratios?Trigonometric ratios are ratios of the sides of a right triangle used to calculate angles and side lengths.
The three main ratios are sine, cosine, and tangent, which are defined as the ratios of the opposite, adjacent, and hypotenuse sides.
Using the right triangle ABC, we can find the trigonometric ratios with respect to angle C:
sin(C) = opposite/hypotenuse = AB/AC = 15/17
cos(C) = adjacent/hypotenuse = BC/AC = 8/17
tan(C) = opposite/adjacent = AB/BC = 15/8
cosec(C) = 1/sin(C) = AC/AB = 17/15
sec(C) = 1/cos(C) = AC/BC = 17/8
cot(C) = 1/tan(C) = BC/AB = 8/15
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Question 1-13
A ball is hit straight up in the air from a certain height from the ground. The height of the ball from the ground, H (t), in feet, as a function of time, t, in seconds, can be modeled by the equation
shown.
H ( = -44? + 167+ 1
Select all the true statements.
The ball reaches the maximum height att = seconds
The ball reaches the maximum height at r = 2 seconds.
The maximum height reached by the ball is 13 feet from the ground.
The maximum height reached by the ball is 17 feet from the ground.
The ball is hit straight up in the air from 1 feet height from the ground.
The ball is hit straight up in the air from 4 feet height from the ground.
Answer: H(t) = -16t^2 + vt + h
Step-by-step explanation:
The equation that models the height of a ball hit straight up in the air from a certain height from the ground is given by:
H(t) = -16t^2 + vt + h
where H(t) is the height of the ball at time t, v is the initial velocity of the ball, and h is the initial height of the ball.
The equation you provided is incomplete. Could you please check and provide me with the correct equation so that I can help you better?
when the underlying distribution of interval scores is violently skewed the appropriate correlational technique should be
The appropriate correlational technique when the underlying distribution of interval scores is violently skewed would be:
b. Spearman's rank correlation coefficient
When the distribution of interval scores is violently skewed, meaning that the data is not normally distributed and may have extreme values or significant departures from normality, Pearson's correlation coefficient (option a) may not be appropriate as it assumes a linear relationship between variables and normality of data.
Instead, Spearman's rank correlation coefficient (option b) is a more appropriate choice. Spearman's rank correlation coefficient is a non-parametric method that does not assume normality of data and is based on the ranks of data rather than the actual values. It measures the strength and direction of monotonic association between variables, making it suitable for data that may not meet the assumptions of Pearson's correlation coefficient.
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Complete Question
When the underlying distribution of interval scores is violently skewed, the appropriate correlational technique should be:
a. Pearson's correlation coefficient
b. Spearman's rank correlation coefficient
c. Kendall's tau
d. Point-biserial correlation coefficient
e. Phi coefficient
The appropriate correlational technique when the underlying distribution of interval scores is violently skewed depends on the type of data and the research question, and may include non-parametric tests such as Spearman's rank correlation coefficient.
When the underlying distribution of interval scores is violently skewed, the appropriate correlational technique depends on the type of data and the research question.
If the data is bivariate (two variables) and both variables are continuous, then the appropriate correlational technique would be Spearman's rank correlation coefficient, which is a non-parametric test that measures the strength and direction of the association between two variables.
Spearman's rank correlation coefficient is used when the data is not normally distributed or when the relationship between the variables is not linear.
On the other hand, if one or both of the variables are dichotomous or categorical, then a different correlational technique may be more appropriate.
For example, if one variable is dichotomous and the other is continuous, a point-biserial correlation coefficient may be used.
If both variables are categorical, a chi-square test of independence or Cramer's V may be used.
It is important to note that the appropriateness of a particular correlational technique depends on the specific characteristics of the data and research question.
Therefore, it is recommended to consult with a statistician or data analyst to determine the most appropriate technique for a particular study.
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The relationship between the mass m in kilograms of an organism and its metabolism P in Calories per
day can be represented by P = 73.3m³. Find the metabolism of an organism that has a mass of 16 kilograms.
Answer:
The relationship between the mass m in kilograms of an organism and its metabolism p in calories per day can be represented by p = 73.3m³ . To find the metabolism of an organism that has a mass of 16 kilograms, we can substitute m = 16 into the equation:
p = 73.3m³ p = 73.3(16)³ p = 73.3(4096) p = 299,648 calories per day
Therefore, an organism with a mass of 16 kilograms has a metabolism of 299,648 calories per day.
I hope that helps!
Step-by-step explanation:
An organism with a mass of 16 kilograms has a metabolism of 299,708.8 Calories per day according to the given relationship.
We can use the given formula to find the metabolism P of an organism with a mass of 16 kilograms:
P = 73.3m³
where m = 16 kg
Substituting the value of m:
P = 73.3(16)³
P = 73.3(4096)
P = 299,708.8 Calories per day.
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hich component of an expert system uses forward and backward chaining to manipulate a series of rules?
The inference engine in an expert system will use both forward and backward chaining as needed to manipulate the rules and make decisions based on the available data and the desired outcome.
To address your question concisely:
The component of an expert system that uses forward and backward chaining to manipulate a series of rules is called the Inference Engine.
An expert system is composed of three primary components: the Knowledge Base, the Inference Engine, and the User Interface.
The Knowledge Base contains the domain-specific facts and rules that the system relies on to solve problems.
The User Interface facilitates communication between the user and the system.
The Inference Engine is responsible for reasoning and drawing conclusions based on the knowledge stored in the Knowledge Base.
It applies logical techniques such as forward and backward chaining to manipulate and evaluate rules.
In forward chaining, the Inference Engine begins with the available data and applies rules to deduce new information or conclusions.
This approach is data-driven, as it starts with facts and moves towards conclusions.
In backward chaining, the Inference Engine starts with a goal or hypothesis and works backward to find supporting evidence or facts.
This approach is goal-driven, as it begins with a desired conclusion and looks for rules that can lead to it.
By employing both forward and backward chaining, the Inference Engine is able to effectively analyze and manipulate rules to provide accurate and reliable solutions to problems within the domain of the expert system.
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By using both forward and backward chaining, the inference engine can efficiently evaluate complex sets of rules and make accurate decisions based on the available data.
The inference engine component of an expert system uses forward and backward chaining to manipulate a series of rules. Forward chaining involves starting with initial data and applying rules to draw a conclusion, while backward chaining involves starting with a goal and working backward to find the necessary data and rules to reach that goal.
By using both forward and backward chaining, the inference engine can efficiently evaluate complex sets of rules and make accurate decisions based on the available data.
The component of an expert system that uses forward and backward chaining to manipulate a series of rules is called the "inference engine". The inference engine applies logical reasoning to deduce new information based on the provided facts and rules in the knowledge base, ultimately assisting in problem-solving and decision-making processes.
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wants to know if there is a difference in the average annual household income between those who own their own homes and those who rent. she has measured household income on a ratio scale, based on the annual take-home pay of residents. what statistical test should she use to examine this difference?
Use an independent samples t-test to compare annual household income between homeowners and renters, considering within-group variability and determining statistical significance.
To look at the distinction in the normal yearly family pay between the people who own their own homes and the individuals who lease, a suitable factual test to utilize would be an autonomous examples t-test.
This test is utilized to think about the method for two autonomous gatherings, for this situation, the gathering of property holders and the gathering of tenants.
As the family pay is estimated on a proportion scale, the t-test can be utilized to decide whether there is a huge distinction in the method for the two gatherings, considering the changeability inside each gathering.
The consequences of the t-test will give a p-esteem, which can be utilized to decide the factual meaning of any distinctions tracked down between the two gatherings.
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the anova procedure is a statistical approach for determining whether the means of . a. more than two samples are equal b. two or more populations are equal c. two samples are equal d. two or more samples are equal
The means of two or more populations being equal is determined by a statistical approach for the ANOVA procedure. Option B is correct.
The ANOVA (Analysis of Variance) procedure is a statistical method used to determine whether there is a significant difference between the means of two or more groups. To statistically test the equality of means ANOVA uses F-tests.
The repeated-measures ANOVA is a two-stage process that is described as an analysis of dependencies. This test is used to prove an assumed cause-effect relationship between variables. The conditions that must be met for the results of an ANOVA are Independence, Random Sampling, Large Sample Size, and Normality.
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Hi can someone help me with finding out the equation for this word problem
The equation of the word problem is x-4n.
What is word problem?A word problem is a math problem written out as a short story or scenario. This mathematical statement are interpreted into mathematical equation or expression.
Representing the total number of sheep in the flock by x and representing the number of weeks by n. Therefore the remaining sheep in the flock for the number of weeks will be expressed as
x - 4n.
Therefore the equation for the word problem is x - 4n.
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Charlie made the following table to record the height of each person in his family.
If Cheyenne and Hannah lay end to end, how far will they reach?
A. 9
B. 9, 1/2
C. 10
D. 8
you place in a dark bag 24 marbles. 12 marbles are red, 5 marbles are blue and 7 marbles are yellow. you select 2 random marbles (one after the other without putting the first back in). what is the probability that the marbles have the same color?
The probability of selecting two marbles with the same color is approximately 0.27 or 27%.
To work out the likelihood that the two marbles drawn have similar variety, we can utilize the accompanying advances:
In the first place, we compute the likelihood of drawing a red marble on the principal pick: 12/24 = 1/2.
On the off chance that the main marble drawn is red, there will be 11 red marbles left clinched, out of a sum of 23 marbles. So the likelihood of drawing one more red marble on the subsequent pick is 11/23.
Likewise, in the event that the principal marble drawn is blue, there will be 4 blue marbles left clinched, out of a sum of 23 marbles. So the likelihood of drawing one more blue marble on the subsequent pick is 4/23.
Furthermore, on the off chance that the main marble drawn is yellow, there will be 6 yellow marbles left taken care of, out of a sum of 23 marbles. So the likelihood of drawing one more yellow marble on the subsequent pick is 6/23.
To get the complete likelihood of drawing two marbles of similar variety, we want to add the probabilities of every one of these cases:
(1/2) x (11/23) + (5/24) x (4/23) + (7/24) x (6/23) = 55/138 or roughly 0.398 or 39.8%.
In this way, the likelihood of drawing two marbles of a similar variety is roughly 39.8%.
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A survey found that the ratio of students who play intruments to those who do not was 7/20 of the students do not play an instrument 440 surveyd how many students surveyd play an instument
The number of students surveyed who plays an instrument is 114 students.
The ratio of students who play instruments to those who do not is 7/20, which means that out of every 7+20=27 students, 7 of them play an instrument and 20 of them do not.
If we know that 440 students were surveyed, we can set up a proportion to find the number of students who play an instrument:
7/27 = x/440
To solve for x, we can cross-multiply:
7 * 440 = 27 * x
3080 = 27x
x = 114.07
Since we can't have a fraction of a student, we should round up to the nearest whole number, which means that approximately 114 students surveyed play an instrument.
Therefore, the required answer is 114.
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in a certain health center there are 3 doctors, 8 nurses and 2 physicians. in how many ways one can form a group of 5 members consisting of 1 doctor, 3 nurse and 1 physician.
Leo subscribes to a monthly app service that charges him $6 for one month, and each app he purchases costs $0. 90. Lara subscribes to a service that charges $1. 50 per app with no additional monthly fee. After how many apps will they have the same monthly bill?
Iam do not understand what do you mean 1335690964225753897426908224 1335690964225753897426908224 88 9 109 250 10 10 XL 220 10 10 30 250 30 30 30 400
Please help me so i can finish my homework
Answer:
[tex]\frac{1}{4}[/tex]w + 3
Step-by-step explanation:
Helping in the name of Jesus.
Samuel rotated PLUTO 90° clockwise about the origin to generate P'L'U'T'O'.
with vertices at P (2,-3), L'(-2,-5), U'(-6,-1), T'(-2,3), and O'(1,1). What
are the coprdinates for PLUTO?
The coordinates for PLUTO are P(3,2), L(5, -2), U(1, -6), T-3, -2) and O(-1, 1)
When a figure is rotated 90 degrees clockwise about the origin, its new coordinates are found by switching the x and y values of each point and then negating the new x value. This means that if a point had coordinates (x, y) in the original figure, its new coordinates in the rotated figure would be (-y, x).
Using this information, we can find the coordinates of each vertex of PLUTO by working backwards from the coordinates of the vertices of P'L'U'T'O'. For example, the coordinates of P can be found by negating the y-coordinate of P' and switching the x and y values. Applying this formula to P'(2,-3) gives us P(3,2).
Similarly, the coordinates of L can be found by negating the y-coordinate of L' and switching the x and y values. Applying this formula to L'(-2,-5) gives us L(5,-2).
Then for the other coordinates are calculated based on then we get the following,
U'(-6,-1) is U(1, -6)
T'(-2,3) is (-3, -2)
and O'(1,1) is (-1, 1).
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Can someone please help me asap? It’s due tomorrow.
The correct option is the last one, they only surveyed their subscribers-.
Why is the title misleading?The title is "most popular equipment among all campers", notice the word "all". The title claims that it is representing the whole population of campers.
But the sample does not represent all campers, because the sample is only the subscribers of that magazine, so we have a biased sample.
Then the correct option is the last one, they only surveyed their subscribers.
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A store is offering a 30% discount on shirts. A shirt at the store has an original cost of $25. What is the cost of the shirt, in dollars, after the discount?
The cost of the shirt, in dollars, after the 30% discount is $17.50.
What is discount?
A discount is a reduction in the price of a product or service that is offered by a seller to a buyer. Discounts can be offered for a variety of reasons, such as to attract customers, increase sales, or clear out inventory. Discounts can be expressed as a percentage or a fixed amount, and they can be applied at the time of purchase or deducted from an invoice or bill. Discounts are often used in sales promotions, marketing campaigns, and loyalty programs to incentivize customers to buy or use a product or service.
If a store is offering a 30% discount on shirts that cost $25 originally, then the discount amount is:
30% of $25 = 0.30 x $25 = $7.50
The discount amount is $7.50, so the new price of the shirt after the discount is:
$25 - $7.50 = $17.50
Therefore, the cost of the shirt, in dollars, after the 30% discount is $17.50.
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