Therefore, the width of the rectangle is 10.
So, the answer is (O) 10.
How to find width of the rectangle?To find the width of a rectangle, you will need to have at least one of the following pieces of information:
Length and area: If you know the length and area of the rectangle, you can use the formula for area (A = length x width) and solve for the width (W = A/length).
Perimeter and length: If you know the perimeter and length of the rectangle, you can use the formula for perimeter (P = 2 x length + 2 x width) and solve for the width (W = (P - 2 x length)/2).
Diagonal and length: If you know the diagonal and length of the rectangle, you can use the Pythagorean theorem ([tex]a^2 + b^2 = c^2[/tex]) to solve for the width. [tex](W = \sqrt(c^2 - length^2)),[/tex] where c is the diagonal and a and b are the length and width (in some order).
Ratio of length to width: If you know the ratio of length to width, you can use this ratio to solve for the width. For example, if the ratio of length to width is 3:2, and the length is 15, then the width would be 10 (because 15/3 = 5 and 5 x 2 = 10).
Measurements: If you have physical access to the rectangle, you can measure the width directly using a ruler or tape measure.
Let's assume the length of the rectangle as "L" and the width as "W".
From the given information, we know that:
The area of the rectangle is 40, so we have the equation:
[tex]L x W = 40[/tex]
The width is 2 less than 3 times the length, so we have the equation:
[tex]W = 3L - 2[/tex]
Now we can substitute the second equation into the first equation and get:
[tex]L x (3L - 2) = 40[/tex]
Expanding the left-hand side, we have:
3L^2 - 2L - 40 = 0
Dividing both sides by 1, we get:
[tex]3L^2 - 2L - 40 = 0[/tex]
Using the quadratic formula, we get:
[tex]L = 4 or L = -10/3[/tex]
Since the length of a rectangle cannot be negative, we take L = 4.
Then, we can use the equation W = 3L - 2 to find the width:
[tex]W = 3 x 4 - 2 = 10[/tex]
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what are the answers to these questions??
in european roulette, the wheel is divided into 37 compartments numbered 1 through 36 and 0. (in american roulette there are 38 compartments numbered 1 through 36, 0, and 00.) one-half of the numbers 1 through 36 are red, the other half are black, and the number 0 is green. find the expected value of the winnings on a $6 bet placed on red in european roulette.
The expected value of the winnings on a $6 bet placed on red in European roulette is -$0.81.
In European roulette, the probability of winning a bet on red is 18/37, and the probability of losing is 19/37. If the bet wins, the payout is even money, which means the player receives $6 in addition to getting their original $6 bet back. If the bet loses, the player loses their $6 bet. Therefore, the expected value of the winnings can be calculated as:
Expected value = (probability of winning * payout if win) - (probability of losing * amount bet)
Expected value = (18/37 * $12) - (19/37 * $6)
Expected value = -$0.81
This means that on average, the player can expect to lose $0.81 for every $6 bet placed on red in European roulette.
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malik's new game, marble zoom, came with a big bag of 200 assorted marbles. he wants to see what the marbles look like, so he randomly picks one from the bag, records its appearance, and then puts it back in. he does this 25 times and gets 6 ribbon swirl, 9 solid, 4 frosted, and 6 clear marbles. based on the data, what is the probability of choosing a frosted marble?
The probability of choosing a frosted marble based on the given data is 0.16
Probability is a measure of the likelihood of an event occurring. It is a number between 0 and 1, where 0 represents an impossible event (i.e., an event that will never occur) and 1 represents a certain event (i.e., an event that will always occur)
The probability of choosing a frosted marble can be calculated by dividing the number of frosted marbles by the total number of marbles
P(frosted) = number of frosted marbles / total number of marbles
In this case, Malik randomly chose 25 marbles from the bag, so the total number of marbles is 25. He recorded 4 frosted marbles, so
P(frosted) = 4 / 25
Simplifying, we get
P(frosted) = 0.16
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What else would need to be congruent to show that ABC=XYZ by ASA?
On solving the provided question we can say that angle A is congruent to angle X, angle B is congruent to angle Y, and side AB is congruent to side XY.
What is triangle?A triangle is a geometric shape that consists of three straight sides and three angles. It is a polygon with three sides. Triangles are one of the most fundamental shapes in geometry, and they are used extensively in mathematics, science, engineering, and other fields. The sum of the internal angles of a triangle is always equal to 180 degrees, and there are various types of triangles, such as equilateral, isosceles, and scalene, depending on the lengths of their sides and the sizes of their angles.
To demonstrate that two triangles are congruent using the ASA (Angle-Side-Angle) postulate, show that two angles and one included side of one triangle are congruent to two angles and one included side of the second triangle. To demonstrate that the triangles are congruent using ASA, you must also demonstrate that the second pair of corresponding sides is congruent.
To properly prove that triangles ABC and XYZ are congruent by ASA, you would need to show that side AC is congruent to side XZ in addition to the given knowledge that angle A is congruent to angle X, angle B is congruent to angle Y, and side AB is congruent to side XY.
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which type of error occurs when potential respondents are improperly excluded before the sample is taken?
The type of error that occurs when potential respondents are improperly excluded before the sample is taken is called selection bias
The type of error that occurs when potential respondents are improperly excluded before the sample is taken is called "selection bias". Selection bias occurs when the sample is not representative of the population, leading to an overrepresentation or underrepresentation of certain groups. This can happen when certain individuals or groups are systematically excluded from the sample, either intentionally or unintentionally.
Selection bias can lead to inaccurate conclusions and invalid results, which can undermine the validity and reliability of the study. Therefore, it is essential to use appropriate sampling techniques and ensure that the sample is representative of the population of interest to avoid selection bias.
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10 less than a number p is the same as 25 as an equation !
Answer:
35
Step-by-step explanation:
The equation can be written as:
p - 10 = 25
To solve for p, we can add 10 to both sides of the equation:
p - 10 + 10 = 25 + 10
Simplifying the left side by canceling out -10 and +10, we get:
p = 35
Therefore, the number we are looking for is 35.
Wnte an equation in slope-intercept form of the line that passes through (-3, 2) and (-2, - 5).
WILL GIVE BRAINLIEST
An equation in slope-intercept form of the line that passes through (-3, 2) and (-2, - 5) is: C. y = -7x - 19.
How to determine an equation of this line?In Mathematics and Geometry, the point-slope form of a straight line can be calculated by using the following mathematical equation:
y - y₁ = m(x - x₁)
Where:
m represent the slope.x and y represent the points.First of all, we would determine the slope of this line;
Slope (m) = (y₂ - y₁)/(x₂ - x₁)
Slope (m) = (-5 - 2)/(-2 + 3)
Slope (m) = -7/1
Slope (m) = -7
At data point (-3, 2), a linear equation in slope-intercept form for this line can be calculated as follows:
y - y₁ = m(x - x₁)
y - 2 = -7(x + 3)
y = -7x - 21 + 2
y = -7x - 19
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There are 46,000 adults living in Grand City. In examining attitudes toward the news, a research group asked a random sample of Grand City adults "What Is your main source of news?" The results are shown below.
Based on the sample, predict the number of adults in Grand City whose main source of news is television. Round your answer to the nearest whole number. Do not round any intermediate calculations.
Therefore, we predict that there are approximately 18,078 adults in Grand City whose main source of news is television.
Prediction number?I predict that in the near future, there will be significant advancements in renewable energy technology, particularly in the areas of solar and wind power. This will lead to a shift away from fossil fuels and towards more sustainable energy sources, ultimately reducing carbon emissions and mitigating the effects of climate change. Additionally, I predict that artificial intelligence and machine learning will continue to play an increasingly important role in many aspects of our lives, from healthcare and education to transportation and entertainment. However, there may also be concerns about the ethical implications of AI and the need to ensure that these technologies are developed and used in a responsible and transparent manner.
o predict the number of adults in Grand City whose main source of news is television, we use the sample proportion of adults who selected television as their main source of news and apply it to the total adult population of Grand City.
The sample proportion of adults who selected television as their main source of news is:
[tex]p = 135 / (65 + 90 + 135 + 22 + 49) = 0.393[/tex]
To predict the number of adults in Grand City whose main source of news is television, we multiply the sample proportion by the total adult population:
[tex]number of adults = p * 46,000 = 0.393 * 46,000 = 18,078[/tex]
Rounding this number to the nearest whole number gives:
number of adults whose main source of news is television ≈ 18,078.
Therefore, we predict that there are approximately 18,078 adults in Grand City whose main source of news is television.
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Find measure AD. Please hurry due at midnight
The measure of arc mAD is 119°.
Describe Arc?In geometry, an arc is a portion of a curve or a circle. It is defined as a connected portion of the circumference of a circle, which is characterized by its central angle, length, and location. The length of an arc is proportional to the measure of its central angle, and the measure of the arc is given in degrees or radians.
The circumference of a circle is the distance around the circle, and it is equal to 2πr, where r is the radius of the circle. An arc of a circle is a part of the circumference, and its length can be calculated using the formula:
Arc length = (central angle/360 degrees) * 2πr
where the central angle is measured in degrees, and r is the radius of the circle.
Since chord AB, BC, CD, and DA form a quadrilateral, we know that the opposite angles of the quadrilateral add up to 180°. Therefore, ∠ABC = 180 - ∠DAB = 180 - 75 = 105°, and ∠BCD = 180 - ∠ADC = 180 - 102 = 78°.
Next, we can use the inscribed angle theorem to find the measure of arc AD. We know that ∠ACD is half the measure of arc CD, so arc CD = 2 * ∠ACD = 62°. Therefore, ∠ACD = 31°.
Similarly, ∠ABD is half the measure of arc AB, so arc AB = 2 * ∠ABD. We can find angle ABD by subtracting angle DAB from ∠ABC: ∠ABD = ∠ABC - DAB = 105 - 75 = 30°. Therefore, arc AB = 2 * 30 = 60°
Since the sum of the measures of angles ABD, ACD, and the central angle arc AD is 180°, we have:
∠ ABD + ∠ ACD + arc AD = 180
Substituting the values we found, we get:
30 + 31 + arc AD = 180
Solving for arc AD, we get:
arc AD = 180 - 30 - 31 = 119°
Therefore, the measure of arc mAD is 119°.
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why is a scatter the most appropriate visualization of this bivariate relationship? group of answer choices the data is collected on two different populations of people: those that use the internet, and those that don't. one variable is quantitative, and one variable is categorical. the data was collected over a 10 year time period. both variables are numeric, we know both their age and how often they use the internet each week.
The data is collected on two different populations of people: those that use the internet, and those that don't, and the data was collected over a 10-year time period. Therefore, the correct option is A.
A scatter plot is a graphical representation of data in which two variables are plotted on the x-axis and y-axis,
respectively.
It is used to visualize the relationship between two quantitative variables. In the scatter plot, each point represents a
value for each variable.
A scatter plot is the most appropriate visualization of this bivariate relationship because one variable is quantitative,
and one variable is categorical.
Both variables are numeric, and we know both their age and how often they use the internet each week.
This explains why scatter plot is the most appropriate visualization of this bivariate relationship.
Therefore, the correct option is A. The data is collected on two different populations of people: those that use the
internet, and those that don't, and the data was collected over a 10-year time period.
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three randomly chosen colorado students were asked how many times they went rock climbing last month. their replies were 5, 6, 7. the coefficient of variation is multiple choice 35.7 percent. 13.6 percent. 20.0 percent. 16.7 percent.
Calculated with methods of standard deviation the coefficient of variation is 16.7%.
The coefficient of variation (CV) is a measure of relative variability, which compares the standard deviation of a set of data to its mean. It is calculated as the ratio of the standard deviation to the mean, expressed as a percentage. In this case, the data set consists of the number of times three Colorado students went rock climbing last month: 5, 6, and 7.
First, we calculate the mean of the data set as (5+6+7)/3 = 6. Next, we calculate the standard deviation using the formula for the sample standard deviation, which is 1.0.
Therefore, the CV is (1.0/6) x 100% = 16.7%.
This means that the standard deviation is about 16.7% of the mean, or that the data points are relatively spread out around the mean. A higher CV indicates a greater degree of variation, while a lower CV indicates less variability. In this case, a CV of 16.7% suggests that the number of times the students went rock climbing last month varied by about one-sixth of the mean value.
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3 c ≈ mL? Round to the nearest hundredth if necessary.
By using conversion factor the solution for 3 c ≈ 709.78mL.
What is conversion factor?
A conversion factor is a ratio that is used to convert one unit of measurement to another. It is a mathematical expression that relates two different units of measure for the same quantity. By using conversion factors, we can easily convert between different units and make calculations and comparisons more convenient and meaningful.
The conversion factor between 3 c (cups) and mL (milliliters) is approximately 709.76, which means that 3 cups is approximately equal to 709.76 milliliters.
To convert from cups to milliliters, you can multiply the number of cups by the conversion factor:
3 cups x 236.59 mL/cup ≈ 709.76 mL
Rounding to the nearest hundredth, we get:
3 cups x 236.59 mL/cup ≈ 709.78 mL
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if PQRS is a rectangle with QS=5x+3 and PR=28,find the value of x
Which of the following best describes a negative linear association? A Variables have no relation to each other when plotted. B As one variable increases, so does the other. C A data set that includes both negative and positive numbers. D As one variable decreases, the other increases.
The best description of a negative linear association is option D: "As one variable decreases, the other increases."
In a negative linear association, as the value of one variable increases, the value of the other variable decreases, and this relationship is linear or straight. This can be represented by a negative slope on a scatterplot. Option A ("Variables have no relation to each other when plotted") does not describe any type of association, and option C ("A data set that includes both negative and positive numbers") is not specific to linear associations. Option B ("As one variable increases, so does the other") describes a positive linear association, which is the opposite of a negative linear association.
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What is 2 1/2+1 1/3x<6? Please hellllppppp!!!!
it is impossible to construct a frame for a(n) . a. sampled population b. finite population c. target population
It is not impossible to construct a frame for a finite population or a target population, but it is impossible to construct a frame for a sampled population.
A frame is a list or map of all the units in a population, which is used to select a sample for a survey or study. If a population is finite, it is possible to list all the units in the population and create a frame. Similarly, if the target population is well-defined and can be identified, a frame can be constructed.
However, if the population is sampled, the frame cannot be constructed because the population is unknown and constantly changing. Therefore, it is impossible to construct a frame for a sampled population.
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The complete question is :
Is it impossible to construct a frame for a sampled population, a finite population, or a target population?
please help!!!!!!!!!!!!!!!!!!!
Part 1. The employee who is [tex]32[/tex] years old could have [tex]2[/tex] doctor visits in one year, according to the given equation.
Part 2.The new employee is predicted to have [tex]3[/tex] more doctor visits per year than the previous employee, according to the given equation.
What is the equation?In its simplest form in algebra, the definition of an equation is a mathematical statement that shows that two mathematical expressions are equal.
For instance, [tex]3x+5 = 14[/tex] is an equation, in which [tex]3x+5[/tex] and [tex]14[/tex] are two expressions separated by an 'equal' sign.
Part 1: To predict how many doctors' visits an employee who is [tex]32[/tex]years old could have in one year, we need to substitute a = [tex]32[/tex] in the equation [tex]v = 1/4a - 6[/tex] and solve for v:
[tex]v = 1/4a - 6[/tex]
[tex]v = 1/4(32) - 6[/tex]
[tex]v = 8 - 6[/tex]
[tex]v = 2[/tex]
Part 2: The previous employee's age is not given, so we cannot directly compare their doctor visits with the new employee's visits. However, we can use the same equation to predict how many doctor visits the new employee might have based on their age.
Let's assume that the age of the new employee is [tex]a+12[/tex], where a is the age of the previous employee. Then, we can substitute [tex]a+12[/tex] for a in the equation [tex]v = 1/4a - 6[/tex] and solve for v:
[tex]v = 1/4(a + 12) - 6[/tex]
[tex]v = 1/4a + 3 - 6[/tex]
[tex]v = 1/4a - 3[/tex]
Therefore, the employee who is [tex]32[/tex] years old could have [tex]2[/tex] doctor visits in one year, according to the given equation.
Therefore, the new employee is predicted to have [tex]3[/tex] more doctor visits per year than the previous employee, according to the given equation.
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Michael is making a scale drawing of a rectangular room using a scale of 1 inch equals 1.5 feet. He wants to use paper that has a width of 8.5 inches and length of 11 inches.
Will a room that is 12 feet by 15 feet fit on a single sheet of the paper?
HINT: Write and solve a proportion comparing the scale of 1 inch to 1.5 feet equal to how many inches to 12 feet. Then solve for how many inches. Do the same step for the other dimension of 15 feet.
REMEMBER: Your paper is 8.5 inches by 11 inches. Each dimension of the room must be less than both 8.5 inches and 11 inches.
A
Yes
B
No
PLEASE ANSWER ASAP. I REALLY NEED HELP LIKE FR FR
From the statements, the expression is 1 inch/2.2 ft = x/16 ft
How to determine the expression?
In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.
We can use ratios to solve
Changing 11/5 into a decimal
1 inch x
-------------- = -----------
2.2 ft 16 ft
Using cross products
16 = 2.2 x
Divide each side by 2.2
16/2.2 = x
7.2727 =x Since this is less than 8.5 inches Yes
1 inch x
-------------- = -----------
2.2 ft 15 ft
Using cross products
15 = 2.2x
Dividing each side by 2.2
6.8 =x
Yes
1 inch x
-------------- = -----------
2.2 ft 20 ft
Using cross products
20 = 2.2x
9.09 =x
If this is the 11.5 inch side (15 ft is 6.8 inches which is less than 8.5 inches)
yes
1 inch x
-------------- = -----------
2.2 ft 12 ft
12 = 2.2x
5.4 inches yes since 16 is 6.8 inches
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Pls help me with this question
Answer: It's the third rectangle
Step-by-step explanation: If you cut from the vertex vertically it would be a triangle but if you cut a pyramid horizontally its either a square or rectangle.
The surface of a cylinder is represented by [tex]A = 2\pi rx^{2} + 2\pi rh[/tex], where r is the radius of the cylinder and h is its height. Factor the right side of the formula.
factor the right side of the formula A = 2πrx² + 2πrh, we can factor out 2πr from both terms:A = 2πr(x² + h)
What is cylinder?
A cylinder is a three-dimensional geometric shape that consists of two parallel circular bases of the same size and shape, and a curved lateral surface connecting the bases.
To factor the right side of the formula A = 2πrx² + 2πrh, we can use the distributive property of multiplication. We can factor out the common factor of 2πr from both terms in the expression, leaving us with 2πr times the sum of x² and h. This gives us the factored form A = 2πr(x² + h). This expression represents the surface area of a cylinder in terms of its radius (r) and height (h).
Factoring the right side of the formula in this way can simplify calculations and help us better understand the relationship between the variables in the formula.
Therefore, to factor the right side of the formula A = 2πrx² + 2πrh, we can factor out 2πr from both terms:A = 2πr(x² + h)
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help asap assignment closes soon!
Answer:
Step-by-step explanation:
v = π · r² · h
v = π · 5² · 10
v = 25· 10π
v = 250π
v =785.39816339
v =785.4
30 points to whoever solves
The relative frequency of business majors in the given table survey is: 0.24
How to calculate relative frequency?Relative frequency is defined as the number of times an event occurs divided by the total number of events occurring in a given scenario
To calculate the relative frequency the following must be known:
- Number of total events/trials
- Frequency count for a category/subgroup
We want to find the relative frequency of business majors in the given table.
Total number of business majors = 37 + 38 = 75
Total number of students in the survey = 318
Thus:
Relative Frequency = 75/318 = 0.2358 ≈ 0.24
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0.25 recurring as a fraction
0.25 recurring can be expressed as the fraction 25/99.
What are Fractions?A fraction is a mathematical expression representing a part of a whole, or a ratio between two numbers. It consists of a numerator, which represents the part or ratio being considered, and a denominator, which represents the whole or total.
To express 0.25 recurring as a fraction, we can use the following method:
Let x = 0.25 recurring
Then 100x = 25.25 recurring (multiply both sides by 100 to move the decimal point)
Subtracting the first equation from the second equation, we get:
100x - x = 25.25 recurring - 0.25 recurring
99x = 25
x = 25/99
Therefore, 0.25 recurring can be expressed as the fraction 25/99.
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Section 4.5-B Quadratics - Completing the Square
What is the formula?
Therefor , by solving these by using quadratic expression
A) 16n³-24n+9/16
B)169
C)361/4
D)361/4
what is a quadratic expression?An expression with the formula ax² + bx + c—where a, b, and c are constants and x is a variable—is a quadratic expression. The name "quadratic," which refers to the fact that the equation's variable x is squared, is derived from the Latin word "quadratus," which means "square." A quadratic equation is a "equation of degree 2," to put it another way.
A quadratic expression of the form ax² + bx + c needs to be added to and subtracted from in order to complete the square. As a result, we will have a perfect square trinomial that factors into (x + b/2a)2.
a) n³ - (3/2)n + 9/16
This expression can be rewritten as n³ - (3/2)n + 9/16 - 9/16
= 16n³-24n+9/16
b) x² + 26x + ?
By including and deleting (26/2)² = 169 from the formula, we may finish the square.
x²+ 26x + 169 - 169 + ? = (x + 13)² - 169
c) n² + 19n + ?
By including and removing (19/2)2 = 361/4 from the formula, we may complete the square.
n² + 19n + 361/4 - 361/4 + ? = (n + 19/2)² - 361/4
d) p² - 19p + ?
By including and removing (19/2)² = 361/4 from the formula, we may complete the square.
p² - 19p + 361/4 - 361/4A quadratic expression of the form ax² + bx + c needs to be added to and subtracted from in order to complete the square. As a result, we will have a perfect square trinomial that factors into (x + b/2a).
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there are 10 questions on a discrete structures final exam. how many ways are there to assign scores to the problems if the sum of the scores is 100 and each question is worth at least 5 points?
there are 50,063,860 ways to assign scores to the 10 questions on a discrete structures final exam with a sum of 100 points and each question worth at least 5 points.
To determine the number of ways to assign scores to the 10 questions on a discrete structures final exam with a sum of 100 points and each question worth at least 5 points, we can use the concept of combinations.
First, we need to distribute 5 points to each of the 10 questions since they are worth at least 5 points. So, 10 * 5 = 50 points are already distributed. Now, we have 100 - 50 = 50 points left to distribute among the 10 questions.
We can solve this problem using the "stars and bars" method. In this method, we represent the points as "stars" and the gaps between questions as "bars". So, we have 50 stars and 9 bars to arrange. This problem then becomes a problem of finding the number of ways to arrange 50 stars and 9 bars.
The total number of elements (stars + bars) is 50 + 9 = 59. We need to choose 9 positions for the bars out of 59 positions, and the remaining positions will be filled by stars.
The number of ways to do this is given by the combination formula: C(n, k) = n! / (k! * (n-k)!)
Here, n = 59 (total elements) and k = 9 (positions for bars).
C(59, 9) = 59! / (9! * (59-9)!) = 59! / (9! * 50!)
By calculating the value, we get:
C(59, 9) = 50063860
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what is the probability that an international flight leaving the united states is delayed in departing given that the flight is transpacific flight
The probability that an international flight leaving the US is delayed in departing given that the flight is a transpacific flight is approximately 0.1964.
We can use Bayes' theorem to calculate the probability that an international flight leaving the United States is delayed in departing given that the flight is a transpacific flight. Bayes' theorem states that:
P(D|P) = P(P|D) * P(D) / P(P)
where P(D|P) is the probability that a flight is delayed given that it is transpacific, P(P|D) is the probability that a flight is transpacific given that it is delayed, P(D) is the probability of a flight being delayed, and P(P) is the probability of a flight being transpacific.
Using the given values, we can calculate:
P(P and D) = 0.11 (the probability that a flight is both transpacific and delayed)
P(P) = 0.56 (the probability that a flight is transpacific)
P(D) = 0.28 (the probability that a flight is delayed)
To find P(D|P), we need to calculate P(P and D) / P(P):
P(D|P) = P(P and D) / P(P) = 0.11 / 0.56 = 0.1964
Therefore, the probability that an international flight is delayed in departing is approximately 0.1964 (rounded to 4 decimal places).
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--The given question is incomplete, the complete question is given
"The probability that an international flight leaving the United States is delayed in departing (event D) is .28. The probability that an international flight leaving the United States is a transpacific flight (event P) is .56. The probability that an international flight leaving the U.S. is a transpacific flight and is delayed in departing is .11. (a) What is the probability that an international flight leaving the United States is delayed in departing given that the flight is a transpacific flight? (Round your answer to 4 decimal places.)"--
help asap will give brainliest!!!!
Answer:
Angle A: 49 degrees
Angle B: 139 degrees
Step-by-step explanation:
- Since Angles Y and A are vertical angles, they are congruent. Since Angle Y measures 49 degrees, Angle A also measures 49 degrees.
- Since Angle A, an unnamed angle, and the right angle in the triangle must sum up to 180 degrees, solve for the remaining angle that we don't know the measure of. We know the measure of the right angle is 90 degrees and Angle A measures 49 degrees, and 90 + 49 = 139, so the other angle measures 41 degrees because 180 - 139 = 41. That 41-degree unnamed angle is supplementary to Angle B because they are adjacent, so 180 - 41 = 139. Therefore, Angle B measures 139 degrees.
Find the value of $x$ that makes $\triangle DEF\sim\triangle XYZ$ .
Two triangles D E F and X Y Z. In triangle D E F, the length of sides D E, E F, and D F are labeled 10 units, 8 units, and 3 left parenthesis x minus 1 right parenthesis. In triangle X Y Z, the base side Z Y is labeled 4. The sides Z X and X Y are labeled 7.5 and x minus 1.
Their corresponding side's ratio will not change. Then, x has a value of 4.
What is a Triangle?A polygon with three edges and three vertices is called a triangle. It is one of the fundamental geometric shapes.
ABC refers to a triangle with vertices A, B, and C. In Euclidean geometry, any three points that are not collinear produce a distinct triangle and a distinct plane.
With three sides, three angles, and three vertices, a triangle is a closed, two-dimensional object.
A polygon also includes a triangle.
Triangle ABC is shown in the image above.
So, it is made up of two triangles: DEF and XYZ.
The similarity between the DEF and XYZ is assumed.
When it happens, the ratio of their corresponding side will not change. Which is:
5/10 = 2x-1/14 = 11/5x+2
The first two are what we have.
5/10 = 2x-1/14
Then, we have:
x = 4
Therefore, their corresponding side's ratio will not change. Then, x has a value of 4.
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Correct question:
Find the value of x that makes Triangle DEF~ triangle XYZ.
Kyle runs 6 times as many laps as Chad. If represents the laps Chad runs, and represents the laps Kyle runs, which equation expresses the relationship between these two variables?
The equation that expresses the relationship between the two variables is 6x = y.
Let's assume that Chad runs 'x' laps, then Kyle runs 6 times as many laps as Chad, which means Kyle runs 6x laps. Therefore, the equation expressing the relationship between Chad's laps and Kyle's laps can be written as:
Kyle's laps = 6 times Chad's laps
or
6x = the number of laps Kyle runs
So, the equation is: 6x = y, where 'x' represents the number of laps Chad runs i.e. he ran six times more, and 'y' represents the number of laps Kyle runs i.e. he ran six times lesser than Chad.
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am I correct ? please answer
Answer: No, the answer is D (it gains electrons)
Step-by-step explanation:
An object becomes negatively charged by gaining electrons, not by gaining protons. Protons are positively charged particles found in the nucleus of an atom and are not easily gained or lost by an object. On the other hand, electrons are negatively charged particles that are more easily gained or lost by an object, leading to a net positive or negative charge. When an object gains electrons, it becomes negatively charged as the number of negatively charged particles (electrons) exceeds the number of positively charged particles (protons).