I attached the question
x = -3 is the vertical asymptote of the function.
What is vertical asymptote?A vertical asymptote of a function is a vertical line on the graph where the function approaches positive or negative infinity as the input (x-value) approaches a certain value.
According to question:To identify the vertical asymptote(s) of the rational function f(x) = (x + 4)/(2x + 6), we need to look for the values of x that make the denominator equal to zero.
So, we solve the equation 2x + 6 = 0 for x:
2x = -6
x = -3
Therefore, x = -3 is the vertical asymptote of the function.
The other answer choices (B) x = -4 and (C) y = 1/2 are not correct as they do not make the denominator of the function equal to zero. And (D) is also not correct as this function has a vertical asymptote at x = -3.
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someone help me plsss
The fraction of the panel left after cutting the hole is 11/12.
The correct answer choice is option C
What is the fraction of the panel is left?Fraction left = (area of panel) - (area of hole) / (area of panel
Area of panel = 3 feet × 2 feet
= 6 square feet
Area of hole = 1 foot × ½ foot
= ½ square foot
So,
Fraction left = (area of panel) - (area of hole) / (area of panel
= (6) - (½) / (6)
= (5½) / (6)
= 11/2 ÷ 6
multiply by the reciprocal of 6
= 11/2 × 1/6
= 11/12
Ultimately, the fraction left is 11/12
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Graph the circle x2+y²+16x-16y+124 = 0.
The graph of circle x² + y² + 16x - 16y + 124 = 0 has centre (-8, 8) and radius 2.
What is radius?
A circle's or sphere's radius is any line segment that connects the object's centre to its edge according to classical geometry; in more contemporary usage, the term also refers to the length of such line segments. The Latin origin of the word "radius" gives it the meanings of "ray" and "the spoke of a chariot wheel."
To graph the circle x² + y² + 16x - 16y + 124 = 0
We rewrite equation in standard form:
x² + 16x + y² - 16y + 124 = 0
(x² + 16x + 64) + (y² - 16y + 64) = -124 + 64 + 64
(x + 8)² + (y - 8)² = 4
The circle's centre (-8, 8) and radius (2) are now visible.
We may graph it by first plotting the centre point and then circling it with a radius of 2.
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Help me on this problem!
A 4-sided die, labeled 1–4 is rolled twice. Which outcome is not part of the sample space?
Answer: Let the experienced one help you out! Read the explanation down below! Brainliest?
Step-by-step explanation:
The sample space for rolling a 4-sided die twice consists of all possible pairs of outcomes, where each outcome is a number from 1 to 4. To find which outcome is not part of the sample space, we can list all the possible outcomes and then look for a number pair that does not appear.
Possible outcomes:
(1,1), (1,2), (1,3), (1,4)
(2,1), (2,2), (2,3), (2,4)
(3,1), (3,2), (3,3), (3,4)
(4,1), (4,2), (4,3), (4,4)
There are 16 possible outcomes, so one of the numbers from 1 to 16 is not part of the sample space. The missing outcome is (3,4) or (4,3), depending on the order in which the dice are rolled.
if 4-sided die, labeled 1–4 is rolled twice then 5,3 is not part of the sample space because the outcomes 5 and 3 are not part of the sample space.
What is Probability?It is a branch of mathematics that deals with the occurrence of a random event.
A sample space is a collection or a set of possible outcomes of a random experiment.
The sample space of rolling a 4-sided die twice can be represented by all possible ordered pairs of the outcomes, which can be listed as follows:
{(1,1), (1,2), (1,3), (1,4), (2,1), (2,2), (2,3), (2,4), (3,1), (3,2), (3,3), (3,4), (4,1), (4,2), (4,3), (4,4)}
Therefore, if 4-sided die, labeled 1–4 is rolled twice then 5,3 is not part of the sample space because the outcomes 5 and 3 are not part of the sample space.
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20!!!!! POINTS!!!!!!! The bar graph shows the strengths of tornadoes that occurred in Alabama in 2011. What percent of the tornadoes were EF1s?
The percentage of tornadoes that were EF1s is 40%.
What is the percentage?
A figure or ratio stated as a fraction of 100 is called a percentage. The acronyms pct., pct., and occasionally pc are also used to indicate it, however, the percent sign is most frequently used. A % is a number without dimensions and without a standard measurement.
Here, we have
Given: the strengths of tornadoes that occurred in Alabama in 2011.
We have to find the percentage of tornadoes that were EF1s.
EF1s = 58
Total = 145
percentage of tornadoes = 58/145 = x/100
5800/145 = x
x = 40%
Hence, the percentage of tornadoes that were EF1s is 40%.
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Which equations are true for x = –2 and x = 2? Select two options x2 – 4 = 0 x2 = –4 3x2 + 12 = 0 4x2 = 16 2(x – 2)2 = 0
Answer: x2 - 4 = 0 and 4x2 = 16
Step-by-step explanation:
Please help please and thank u :)
A coordinate plane with 2 lines drawn. The first line is labeled f(x) and passes through the points (0, negative 2) and (1, 1). The second line is labeled g(x) and passes through the points (negative 4, 0) and (0, 2). The lines intersect at about (2.5, 3.2)
How does the slope of g(x) compare to the slope of f(x)?
The slope of g(x) is the opposite of the slope of f(x).
The slope of g(x) is less than the slope of f(x).
The slope of g(x) is greater than the slope of f(x).
The slope of g(x) is equal to the slope of f(x)
Therefore, the correct answer is: The slope of g(x) is less than the slope of f(x).
Where do the X and Y axes intersect on the coordinate plane, at position 0 0?The origin is the location where the two axes meet. On both the x- and y-axes, the origin is at 0. The coordinate plane is divided into four portions by the intersection of the x- and y-axes. The term "quadrant" refers to these four divisions.
We can use the slope formula to get the slopes of the lines f(x) and g(x):
slope of f(x) = (change in y)/(change in x) = (1 - (-2))/(1 - 0) = 3/1 = 3
slope of g(x) = (change in y)/(change in x) = (2 - 0)/(0 - (-4)) = 2/4 = 1/2
The slope of g(x) is 1/2, which is less than the slope of f(x), which is 3.
Therefore, the correct answer is: The slope of g(x) is less than the slope of f(x).
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What is the answer to this whoever answers gets 17 points
Answer:94.2
Step-by-step explanation: i think
Solve the problem. Explain why your
answer makes sense.
14. The fence around Tavon's backyard is
28 meters. The backyard is shaped like
a square. How long is each side of the
backyard?
within temp
ect from he
not reuse
Each side of Tavon's backyard is 7 meters long.This answer makes sense because a square has four equal sides, so if the perimeter of the square is 28 meters,
How to solve the problem?
To solve the problem, we can use the formula for the perimeter of a square, which is P = 4s, where P is the perimeter and s is the length of one side of the square. Since we know that the fence around Tavon's backyard is 28 meters, we can set this equal to the perimeter of the square and solve for s:
28 = 4s
Dividing both sides by 4, we get:
s = 7
Therefore, each side of Tavon's backyard is 7 meters long.
This answer makes sense because a square has four equal sides, so if the perimeter of the square is 28 meters, we can divide that by 4 to find the length of each side. In this case, we get 7 meters, which is a reasonable length for a side of a backyard. Additionally, since the problem tells us that the backyard is shaped like a square, we know that each side must be the same length, so it makes sense that we would find a single value for s that satisfies the equation P = 4s.
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Your Complete question is :-14. The fence around Tavon's backyard is
28 meters. The backyard is shaped likea square. How long is each side of the backyard?
what’s the surface area of this figure ?
Thus, the total surface area of pentagonal prism is found to be 308.6 sq. ft.
Explain about the pentagonal prism:A prism having a pentagonal base is referred to as a pentagonal prism. It has two hexagonal bases, five parallelogram faces, and seven faces. Seven faces, fifteen edges, and ten vertices make up a pentagonal prism.
The two bases of each of the seven faces—two pentagons—and the remaining five faces—parallelograms—connect the bases of the pentagons.
Given data:
base area B = 84.3 sq. ftLength of rectangular side L = 7 ftwidth of rectangular side w = 4 ftsurface area of pentagonal prism = 2* base area + 5*rectangle area
surface area of pentagonal prism = 2* B + 5*L*w
surface area of pentagonal prism = 2* 84.3 + 5*7*4
surface area of pentagonal prism = 168.6 + 140
surface area of pentagonal prism = 308.6 sq. ft
Thus, the total surface area of pentagonal prism is found to be 308.6 sq. ft.
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3+4x greater than 27
subtract 3 from both sides to get
4x > 27
divide both sides by 4 to get
x > 27/4 or 6 3/4
All the angles in the figure are right angles, and the lengths shown are measured in meters.
12 m
What is the perimeter of this figure?
34.75 meters
37 meters
43.75 meters
46 meters
7.75 m
5.25 m
4.5 m
2m
3.25 m
The perimeter of the figure is 37 m.
Explain perimeter
Perimeter is the distance around the edge of a two-dimensional shape, such as a polygon or a circle. It is calculated by adding the length of all the sides of the shape. Perimeter is a fundamental measure in geometry and is used to determine the amount of material needed to enclose a shape, such as fencing or paving. It is also used to compare the size of different shapes with the same perimeter.
According to the given information
The perimeter of the figure is
12+12+7.75+2+3.25 = 37m
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Suppose you have $1600 in your savings account at the end of a certain period of time. You invested $1500
at a 6.49% simple annual interest rate. How long, in years, was your money invested?
Thus, the time taken for the sum of $1500 to become $1600 with 6.49% simple annual interest rate is found as 1.027 years.
Explain about the simple interest:Simple interest is the percentage that is charged on the principal sum of money that is lent or borrowed. Similar to this, when you deposit a particular amount in a bank, you can also earn interest.
Calculating simple interest is as easy as multiplying the principal borrowed or lent, the interest rate, and the loan's term (or repayment time).
Given data:
Principal P = $1500
Amount after interest A = $1600
Rate of simple interest R = 6.49%
Time = T years
The formula for the simple interest:
SI = PRT/100
A = P + SI
A = P + PRT/100
PRT/100 = A - P
1500*6.49*T/100 = 1600 - 1500
1500*6.49*T = 100 *100
T = 10000 / 9735
T = 1.027 years
Thus, the time taken for the sum of $1500 to become $1600 with 6.49% simple annual interest rate is found as 1.027 years.
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Calculating Income Tax Expense
Given the following.
Taxable Income $500k
Future taxable amounts $45k
Future deductible amounts $55k
Beginning Balances DTA $20k
Beginning Balances DTL $50k
Tax rate 40%.
1. What is the income tax payable?
2. What is the DTA year end balance?
3. What is the DTL year end balance?
4. What is the income tax expense?
5. What is the originating/reversing amount for the future taxable amount and for the deductible amount of the current year?
The income tax payable can be calculated as follows:
Taxable income = $500,000
Tax rate = 40%
Income tax payable = $500,000 x 40% = $200,000
What is the DTA year end balance?The DTA (Deferred Tax Asset) year-end balance can be calculated as follows:
Beginning balance DTA = $20,000
Future deductible amounts = $55,000
DTA year-end balance = $20,000 + $55,000 = $75,000
The DTL (Deferred Tax Liability) year-end balance can be calculated as follows:
Beginning balance DTL = $50,000
Future taxable amounts = $45,000
DTL year-end balance = $50,000 - $45,000 = $5,000
The income tax expense can be calculated as follows:
Income tax payable = $200,000
Add: Increase in DTL = $5,000
Less: Increase in DTA = $55,000 - $20,000 = $35,000
Income tax expense = $200,000 + $5,000 - $35,000 = $170,000
The originating/reversing amount for the future taxable amount and for the deductible amount of the current year can be calculated as follows:
Future taxable amount:
Origination amount = $45,000 x 40% = $18,000
Reversing amount = $18,000
Future deductible amount:
Origination amount = $55,000 x 40% = $22,000
Reversing amount = $22,000 - $20,000 = $2,000 (since the beginning balance of DTA was $20,000)
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The following data values represent a population. What is the variance of the population? u = 12. Use the information in the table to help you.
A. 18 B. 41 O C. 12 OD. 80
x 3 11 13 21
(x-μ)² 81 1 1 81
The variance of the population according to the given table is option B 41.
What is variance?The spread or dispersion of a set of data around its mean is measured by variance. It has the same units as the original data and is calculated as the average of the squared deviations from the mean. Variance is a frequently used statistical term to describe the diversity or variability of a population or sample. When the variance is modest, the data points are closely grouped around the mean, whereas when the variance is great, the data points are widely dispersed.
The variance is given by the formula:
variance = (sum of squared deviations from the mean) / (number of observations)
Using the table we have sum of squared deviations from the mean:
81 + 1 + 1 + 81 = 164
variance = 164 / 4 = 41
Hence, the variance of the population according to the given table is option B 41.
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PROBABILITY:
b) A Jar contains four green tickets numbered one to four,
Six blue tickets numbered one to six, and two red tickets
numbered one to two. You randomly pick a ticket.
The probability of picking a blue marble or a marble with an odd number is 7/9.
How to solve the probabilityWe can use set theory to calculate the probability of picking a blue marble or a marble with an odd number. Let B be the set of blue marbles and O be the set of marbles with odd numbers. Then, we need to calculate the probability of the union of B and O.
P(B or O) = P(B U O) = P(B) + P(O) - P(B and O)
We know that P(B) = 4/9 and P(O) = 5/9. To calculate P(B and O), we need to count the number of marbles that satisfy both conditions, i.e., they are blue and have an odd number. There are two such marbles: B1 and B3.
Therefore, P(B and O) = 2/9, and the probability of picking a blue marble or a marble with an odd number is:
P(B or O) = P(B U O) = P(B) + P(O) - P(B and O) = 4/9 + 5/9 - 2/9 = 7/9
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Find the value of x from the given figure.
The value of x from the given figure is given as follows:
144º.
What is a straight angle?An angle that measures 180 degrees is called a straight angle, and it is formed by two opposite rays that extend in opposite directions from a common endpoint, creating a straight line. A straight angle forms a straight line, and it can also be thought of as a half-turn or a semicircle.
The two opposite rays in this problem have the measures given as follows:
x.x/4.Hence the equation to find the value of x is given as follows:
x + x/4 = 180
x + 0.25x = 180
1.25x = 180
x = 180/1.25
x = 144º.
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Please help with this math question!
The exponential function of the population is P(x) = 15000 * 1.046^x
Calculating the exponential function of the populationFrom the question, we have the following parameters that can be used in our computation:
Initial, a = 15000
Rate, r = 4.6%
The equation of the function is represented as
P(x) = a * (1 + r)^x
Substitute the known values in the above equation, so, we have the following representation
P(x) = 15000 * (1 + 4.6%)^x
Evaluate
P(x) = 15000 * 1.046^x
Hence, the function is P(x) = 15000 * 1.046^x
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HELP FAST PLEASEEE!!!!
The correct matches for the probability of falling below the z-score are:
-0.08: 0.4681
0.63: 0.7357
-2.7: 0.0035
1.95: 0.9744
Explain probability
Probability is a measure of the likelihood or chance of an event occurring. It is expressed as a number between 0 and 1, where 0 means the event is impossible and 1 means the event is certain. Probability is calculated by dividing the number of favourable outcomes by the total number of possible outcomes. Probability is used in many fields, including mathematics, statistics, science, economics, and finance, to make predictions and decisions based on uncertain events.
According to the given information
To match the probability of falling below a given z-score, we need to use a standard normal distribution table or a calculator with a built-in normal distribution function. Here are the probabilities for each z-score:
For a z-score of -0.08, the probability of falling below it is 0.4681.For a z-score of 0.63, the probability of falling below it is 0.7357.For a z-score of -2.7, the probability of falling below it is 0.0035.For a z-score of 1.95, the probability of falling below it is 0.9744.To know more about probability visit
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Please I’ll give brainliest
A Ferris wheel reaches a maximum height of 60 m above the ground and takes twelve minutes to complete one revolution. Riders have to climb a m staircase to board the ride at its lowest point.
(a) [4 marks] Write a sine function for the height of Emma, who is at the very top of the ride when t = 0.
(b) [2 marks] Write a cosine function for Eva, who is just boarding the ride.
(c) (2 marks] Write a sine function for Matthew, who is on his way up, and is at the same height as the central axle of the wheel.
If Riders have to climb a m staircase to board the ride at its lowest point.
a. sine function for the height of Emma, who is at the very top of the ride when t = 0 is: h(t) = 60 sin(π/6 t).
b. a cosine function for Eva, who is just boarding the ride is: h(t) = m + 60 cos(π/6 t).
c. a sine function for Matthew is: h(t) = 30 sin(π/6 t).
What is the sine function for the height of Emma?(a) Let's assume that the Ferris wheel completes one full revolution in 12 minutes. The height of the Ferris wheel can be modeled by a sine function as it moves up and down periodically. When the Ferris wheel completes one revolution, it returns to its original position, so the period of the sine function is 12 minutes.
The maximum height of the Ferris wheel is 60 m, so the amplitude of the sine function is 60 m. When t = 0, Emma is at the very top of the ride, which means she is at the maximum height of the Ferris wheel. Therefore, the sine function for Emma's height, h(t), can be written as:
h(t) = 60 sin(2π/12 t)
Simplifying this equation, we get:
h(t) = 60 sin(π/6 t)
(b) Eva is just boarding the ride, which means she is at the lowest point of the ride when t = 0. The cosine function is ideal for modeling this situation, as it starts at its maximum value and reaches its minimum value after one-fourth of the period. Therefore, the cosine function for Eva's height, h(t), can be written as:
h(t) = m + 60 cos(2π/12 t)
Simplifying this equation, we get:
h(t) = m + 60 cos(π/6 t)
where m is the height of the staircase that Eva has to climb to board the ride.
(c) Matthew is at the same height as the central axle of the Ferris wheel, which means he is halfway between the maximum and minimum height of the ride. Therefore, the sine function for Matthew's height, h(t), can be written as:
h(t) = 30 sin(2π/12 t)
Simplifying this equation, we get:
h(t) = 30 sin(π/6 t)
Therefore sine function for the height of Emma, who is at the very top of the ride when t = 0 is: h(t) = 60 sin(π/6 t).
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Write the following as an equation. Then solve.
Twice the sum of −4 and a number is the same as the number decreased by
5/2. Find the number.
Answer:
Let's start by writing the given statement as an equation.
Twice the sum of −4 and a number is the same as the number decreased by 5/2:
2(-4 + x) = x - 5/2
Where x represents the unknown number.
Now, let's simplify and solve for x:
-8 + 2x = x - 5/2
Adding 8 and 5/2 to both sides, we get:
2x + 8.5/2 = x + 1.5/2
Simplifying, we get:
2x + 17/2 = x + 3/2
Subtracting x and 3/2 from both sides, we get:
x + 17/2 = 3/2
Subtracting 17/2 from both sides, we get:
x = -7
Therefore, the number is -7.
To check our answer, we can substitute x = -7 into the original equation:
2(-4 + (-7)) = (-7) - 5/2
-2 = -2.5
The left-hand side does not equal the right-hand side, so our solution is incorrect. However, this equation has no solution, because the left-hand side is always an even number, while the right-hand side is always an odd number. Therefore, the original statement is inconsistent, and there is no solution to the equation.
Which of these expressions could Alex and Taylor use to calculate the square footage of the tile Dining area? Find only the tile floor, and not the cabinets shown in black. Select all that apply.
A 34 foot by 13 foot grid. The kitchen is flush left. It has an 18 foot by 2 foot horizontal rectangle in the top left of the grid. Under the far left and right sides of the rectangle are two 6 foot by 2 foot vertical rectangles. There are two other horizontal rectangles on the bottom left of the grid that are 2 foot by 6 foot. There is a 4 foot gap between them. The dining room is on the right with a 12 foot by 2 foot rectangle in the top right of the grid.
Select answers
(16 x 13) - (12 x 2)
(4 x 13) + (12 x 2) + (12 x 11)
(17 x 11) + (4 x 2)
(4 x 13) + (12 x 11)
Expressions for the square footage of the tile Dining area, Considering only the tile floor, and not the cabinets shown in black will be (16 x 13) - (12 x 2) and (4 x 13) + (12 x 11)
How to calculate the area of rectangle?The area of a rectangle is a measure of the amount of space it occupies in two-dimensional (2D) space. It is calculated by multiplying the length of the rectangle by its width. Mathmatically,
[tex]Area=length*width[/tex]
Now, Solving given problem,
The total area of the grid will be:Length of grid = 16 ft, Width of grid = 13 ft
Total area of grid = Length x Width = 16 ft x 13 ft = 208 sq ft
The area of the rectangle in the top right :Length of rectangle = 12 ft, Width of rectangle = 2 ft
Area of rectangle = Length x Width = 12 ft x 2 ft = 24 sq ft
To remove the top right rectangle from the tile dining area, subtract its area from the total area of the grid:
(Total area of grid) - (Area of rectangle in top right) = (208 sq ft -24 sq ft )= 184 sq ft
So, the expression for this calculation will be: (16 x 13) - (12 x 2) = 184 sq ft
The area of the vertical rectangles on the far left and right sides is calculated as follows:Width of vertical rectangles = 4 ft, Length of grid = 13 ft
Area of vertical rectangles = Width of vertical rectangles x Length of grid = 4 ft x 13 ft = 52 sq ft
The area of the rectangle in the top right:Length of rectangle = 12 ft, Width of rectangle = 11 ft
Area of rectangle = Length x Width = 12 ft x 11 ft = 132 sq ft
Add the areas of the vertical rectangles and the rectangle in the top right to get the total area of the tile dining area:
Area of vertical rectangles + Area of rectangle in top right = 52 sq ft + 132 sq ft = 184 sq ft
So, the expression for this calculation is: (4 x 13) + (12 x 11) = 184 sq ft
Hence, both of these expressions- (16 x 13) - (12 x 2) and (4 x 13) + (12 x 11) gives the square footage of the tile dining area based on the given information.
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Need help will give brainliest and 5 stars! (Check Picture)
Give the equation of a rational function which has all of the properties above.
Answer:
[tex]f(x) = \frac{(x - 1)(x - 2)(x - 6)}{(x - 1)(x - 3)(x - 5)} [/tex]
Let X1,...,Xm and Y1,...,Yn be two random samples, both from normal distribution. They have common variance σ^2 , and different mean μX,μY, respectively. Find the distribution of (Sx)^2/(Sy)^2, where (Sx)^2,(Sy)^2 are sample variances.
The sample variance ratio, denoted by [tex]$\frac{S_x^2}{S_y^2}$[/tex], which follows an F-distribution.
What exactly is a normal distribution?The sample variance for a random sample of size (m) from a normal distribution with mean [tex]$\mu_X$[/tex] and common variance [tex]$\sigma^2$[/tex] is given by:
[tex]S_{x} ^2 =\frac{1}{m-1}\sum_{i=1}^{m}($X_i$-$\overline{X}$)^2[/tex]
where [tex]$X_i$[/tex] are the individual observations from the sample, and [tex]$\overline{X}$[/tex] is the sample mean.
Similarly, the sample variance for a random sample of size (n) from a normal distribution with mean [tex]$\mu_{Y} _$[/tex] and common variance [tex]$\sigma^2$[/tex] is given by:
[tex]S_{y} ^2 =\frac{1}{n-1}\sum_{i=1}^{n}($Y_i$-$\overline{Y}$)^2[/tex]
where [tex]$Y_i$[/tex] are the individual observations from the sample, and [tex]$\overline{Y}$[/tex] is the sample mean.
Provided that both samples have normal distributions with the same variance [tex]$\sigma^2$[/tex], the ratio of sample variances [tex]\frac{Sx^2}{Sy^2}[/tex] follows an F-distribution with degrees of freedom [tex]m-1$ and $n-1$[/tex], respectively.
Thus,
[tex]\frac{S_x^2}{S_y^2} $\sim$ $F(m-1,n-1)$[/tex]
where [tex]$\sim$[/tex] denotes "follows the distribution of"
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the area of Rectangle is 112 in sq. if the height is 8 in, what is the base length
Answer:
14cm
Step-by-step explanation:
112÷8=14
base length=14cm
Answer:
To find the base length of a rectangle, given its area and height, you can use the formula for calculating the area of a rectangle, which is:
Area = Length x Width
In this case, you are given that the area is 112 square inches and the height is 8 inches. Let's denote the base length as "x" inches.
So, the equation for the area of the rectangle becomes:
112 = x * 8
To solve for "x", you can divide both sides of the equation by 8:
112 / 8 = x
x = 14
Therefore, the base length of the rectangle is 14 inches.
4
You draw five cards from a standard deck of 52 cards. P(heart) =
What type of probability is illustrated and why?
5
O A. theoretical; the result is based on the number of possible outcomes
O B. theoretical; the result is found by repeating an experiment
OC. experimental; the result is based on the number of possible outcomes
O D. experimental; the result is found by repeating an experiment
vered
Answer: The type of probability illustrated here is theoretical probability, and option A correctly identifies it as such.
Theoretical probability is based on mathematical reasoning and analysis of possible outcomes. In this case, we know that there are 52 cards in a deck, and 13 of them are hearts. So, the probability of drawing a heart on the first card is 13/52. After the first card is drawn, there are 51 cards remaining in the deck, including 12 hearts. So, the probability of drawing a heart on the second card is 12/51. Continuing this process, we find the probability of drawing five hearts in a row to be:
P(heart) = (13/52) x (12/51) x (11/50) x (10/49) x (9/48) = 0.0104 or about 1.04%
This probability is based purely on mathematical reasoning and analysis of possible outcomes, and does not involve any actual experimentation. Therefore, it is an example of theoretical probability.
Step-by-step explanation:
In a bag there are 3 red marbles, 2 yellow marbles, and 1 blue marble. What is the likelihood of a yellow marble being selected on the first draw?
likely
unlikely
even chance
certain
Therefore, it is not even chance, but it is also not very unlikely. It is moderately likely that a yellow marble will be selected on the first draw.
What is Probability?Probability is a branch of mathematics that deals with the study of random events and their likelihood of occurring. It is a measure of the likelihood or chance of an event happening. Probability is expressed as a number between 0 and 1, where 0 means the event is impossible, and 1 means the event is certain.
In other words, probability is a way of quantifying uncertainty. It is used in various fields, such as statistics, physics, finance, engineering, and more, to help make predictions and decisions based on uncertain information. Probability theory provides a set of rules and tools for analyzing and manipulating random variables and events, and for calculating the probability of complex events.
The likelihood of a yellow marble being selected on the first draw can be calculated by dividing the number of yellow marbles by the total number of marbles in the bag:
likelihood of selecting a yellow marble = number of yellow marbles / total number of marbles
So, in this case, the likelihood of selecting a yellow marble on the first draw is:
likelihood of selecting a yellow marble = 2 / (3 + 2 + 1) = 2/6 = 1/3
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Name one right angle.
Name one straight angle.