which of the following statements about a randomly chosen person from these 200 employees is true? responses if the person owns a car, he or she is more likely to live elsewhere in the city than to live in the downtown area in the city. if the person owns a car, he or she is more likely to live elsewhere in the city than to live in the downtown area in the city. if the person does not own a car, he or she is more likely to live outside the city than to live in the city (downtown area or elsewhere). if the person does not own a car, he or she is more likely to live outside the city than to live in the city (downtown area or elsewhere). the person is more likely to own a car if he or she lives in the city (downtown area or elsewhere) than if he or she lives outside the city. the person is more likely to own a car if he or she lives in the city (downtown area or elsewhere) than if he or she lives outside the city. the person is more likely to live in the downtown area in the city than elsewhere in the city. the person is more likely to live in the downtown area in the city than elsewhere in the city. the person is more likely to own a car than not to own a car.
Answers
The statement that if a person has his own car, then there is more chances that he or she live elsewhere in the city than to live in the downtown area in the city is true statement. So, the option(a) is right answer for problem.
We have, a sample of sample size, n
= 200
The above table contains data about location of home ( that is downtown area in city, elsewhere in city, outside the city and total) and car ownership ( Yes or No ). Now, we determine probability that car ownership |downtown area in the city
= 10/70
= 1/7
probability that car ownership | elsewhere in the city = 15/70
= 3/14
Probability that car ownership | outside in the city = 35/60 = 7/12
As we see, 1/7 < 3/14 < 7/12
here probability of car ownership downtown area of city is less than probability of car ownership if lives elsewhere in the city or less than probability of car ownership if outside the city. So, statement (a) is true in this case. Also consider,
Probability that no car ownership | downtown area in the city = 60/70 = 6/7
Probability that no car ownership | elsewhere in the city = 55/70 = 11/14
Probability that no car ownership|outside the city = 25/60 = 5/12
As we see probabilities, 5/12 < 11/14 < 6/7
Here, if a person has not own car then maximum chances that he or she live in downtown area of city. So, statement (b) is false.
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Complete question:
The above figure complete the question. A local company is interested in supporting environmentally friendly initiatives such as carpooling among employees. The company surveyed all of the 200 employees at the downtown offices. Employees responded as to whether or not they own a car and to the location of the home where they live. The results are shown in the table above. Which of the following statements about a randomly chosen person from these 200 employees is true? responses
a) if the person owns a car, he or she is more likely to live elsewhere in the city than to live in the downtown area in the city.
b) if the person does not own a car, he or she is more likely to live outside the city than to live in the city (downtown area or elsewhere).
c) the person is more likely to own a car if he or she lives in the city (downtown area or elsewhere) than if he or she lives outside the city.
d) the person is more likely to live in the downtown area in the city than elsewhere in the city.
e) the person is more likely to own a car than not to own a car.
Related Questions
Amy works 15 hours a week at walmart. she earns $8 an hour.
what statement about her weekly income is true?
a) her net income is more than $120.
b) her gross income is less than $120.
c) her net income is less than $120.
d) her gross income is more than $120.
Answers
The true statement about Amy's weekly income is that her net income is less than $120 (option c).
To find out the true statement about Amy's weekly income, we need to calculate her gross income first.
Step 1: Multiply the hours worked per week by the hourly wage.
Amy works 15 hours a week and earns $8 an hour, so:
15 hours * $8/hour = $120
Now we have her gross income, which is $120.
Comparing the gross income to the statements given:
a) Her net income is more than $120: False, as net income is usually less than gross income due to deductions (taxes, social security, etc.).
b) Her gross income is less than $120: False, as we calculated her gross income to be exactly $120.
c) Her net income is less than $120: True since net income is generally less than the gross income due to deductions.
d) Her gross income is more than $120: False, as her gross income is exactly $120.
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Dante has a tent shaped like a triangular prism. The tent has an equilateral base that measures 5 feet on each side. The tent is 8 feet long and 4. 3 feet tall.
101. 5ft
120 ft.
141. 5 ft.
184 ft
What is the surface area of the tent
Answers
The surface area of Dante's tent is approximately 180 square feet.
To find the surface area of Dante's tent, we need to find the area of each of its faces and then add them up. Since the tent is in the shape of a triangular prism, it has three rectangular faces and two triangular faces.
First, let's find the area of each rectangular face. We know that the tent is 8 feet long and 4.3 feet tall. To find the width of each face, we need to use the Pythagorean theorem since the base of the tent is equilateral. So, we can use a triangle with sides of 5 feet (the base of the tent) and 4.3 feet (the height of the triangular face) to find the width of each rectangular face.
a^2 + b^2 = c^2
5^2 + 4.3^2 = c^2
25 + 18.49 = c^2
43.49 = c^2
c = √43.49
c ≈ 6.6 feet
Now that we know the width of each rectangular face, we can find the area of each face:
Area of rectangular face = length x width
Area of rectangular face = 8 x 6.6
Area of rectangular face ≈ 52.8 square feet
Next, let's find the area of each triangular face. Since the base of the tent is equilateral, each triangular face has a base of 5 feet and a height of 4.3 feet. The area of each triangular face is:
Area of triangular face = (base x height) / 2
Area of triangular face = (5 x 4.3) / 2
Area of triangular face ≈ 10.8 square feet
Now we can add up the areas of all five faces to find the total surface area of the tent:
Surface area of tent = 3 x area of rectangular face + 2 x area of triangular face
Surface area of tent = 3 x 52.8 + 2 x 10.8
Surface area of tent = 158.4 + 21.6
Surface area of tent ≈ 180 square feet
Therefore, the surface area of Dante's tent is approximately 180 square feet.
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6.) Marissa's class is having a Read-a-Thon. The 34 students in her class have read a total of 817 books. On average, how many books has each student read? (5th grade answer)
Answers
Answer:
24 with a remainder of 1 (or Q.24 R.1)
Explanation:
divide the amount of books by the amount of students.
Full Boat Manufacturing has projected sales of $115. 5 million next year. Costs are expected to be $67. 4 million and net investment is expected to be $12. 3 million. Each of these values is expected to grow at 9 percent the following year, with the growth rate declining by 1 percent per year until the growth rate reaches 5 percent, where it is expected to remain indefinitely. There are 4. 8 million shares of stock outstanding and investors require a return of 10 percent return on the company’s stock. The corporate tax rate is 21 percent
Answers
Based on the given information, the estimated current stock price for Full Boat Manufacturing is $13.11. This is calculated using the discounted cash flow model, taking into account the projected future cash flows, growth rates, and required rate of return.
To calculate the current stock price, we need to estimate the free cash flows and discount them at the required rate of return.
First, we calculate the free cash flow to the firm (FCFF) for next year as follows
FCFF = Sales - Costs - Net Investment*(1-t)
= $115 million - $67 million - $12 million*(1-0.21)
= $31.02 million
Next, we calculate the expected growth rate in FCFF using the formula:
g = (FCFF Year 2 / FCFF Year 1) - 1
where FCFF Year 2 = FCFF Year 1 * (1 + g)
Using the given information, we get
g = (FCFF Year 2 / FCFF Year 1) - 1
= (FCFF Year 1 * (1 + 0.14) * (1 - 0.02) / FCFF Year 1) - 1
= 0.12
We can now use the Gordon growth model to estimate the current stock price
Current stock price = FCFF Year 1 * (1 + g) / (r - g)
where r is the required rate of return.
Substituting the values, we get
Current stock price = $31.02 million * (1 + 0.12) / (0.13 - 0.12)
= $72.13 million
Finally, we divide the current stock price by the number of shares outstanding to get the estimate of the current stock price per share:
Current stock price per share = $72.13 million / 5.5 million
= $13.11 per share
Therefore, the estimate of the current stock price is $13.11 per share.
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--The given question is incomplete, the complete question is given
" Full Boat Manufacturing has projected sales of $115 million next year. Costs are expected to be $67 million and net investment is expected to be $12 million. Each of these values is expected to grow at 14 percent the following year, with the growth rate declining by 2 percent per year until the growth rate reaches 6 percent, where it is expected to remain indefinitely. There are 5.5million shares of stock outstanding and investors require a return of 13 percent on the company’s stock. The corporate tax rate is 21 percent.
What is your estimate of the current stock price?
A block of wood measures 6.5 inches by 1.5 inches by 8 inches. What is the volume of the block of wood?
Type your answer with cubic inches.
Answers
Answer:
The volume is the height times the length times the width (order does not matter in this case).
4.5 x 3.5 x 7= 110.25
The volume of this block of wood is 110 cubic inches.
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Step-by-step explanation:
Use the rules to find derivatives of the functions at the specified values.
f(x) = 4x^3 at x = 2
f(2) = _____
Answers
The value of the function f(x) at x = 2 is 48.
The question asks us to find the value of the function f(x) = 4[tex]x^3[/tex] at x = 2 and its derivative f'(x) at x = 2.
The value of the function f(x) at x = 2, we simply plug in x = 2 into the function and evaluate:
f(2) = 4[tex](2)^3[/tex] = 4(8) = 32
Therefore,
The value of the function f(x) at x = 2 is 32, which we can write as f(2) = 32.
To find the derivative of the function f(x) at x = 2, we first need to find the general formula for the derivative of f(x), which we can do using the power rule for derivatives.
The power rule states that
To find the derivative of f(x) at x = 2, we simply plug in x = 2 into the formula for f'(x) that we just found:
f'(2) = [tex]12(2)^2[/tex] = 48
Therefore,
The derivative of the function f(x) at x = 2 is 48, which we can write as f'(2) = 48To find the derivative of the function
f'(x) = 12[tex]x^2[/tex]
To find the value of f(2), we can simply plug in x = 2 into the original function:
f(2) = 4[tex](2)^3[/tex] = 32
To find the value of f'(2), we can plug in x = 2 into the derivative we just found:
f'(2) = 12[tex](2)^2[/tex] = 48
Therefore,
f(2) = 32 and f'(2) = 48.
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Complete parts a through c for the given function. 2 f(x) = xº(x-2) on [ -2,2] O A. The local minimum/minima is/are at x = and there is no local maximum. (Use a comma to separate answers as needed. Type an integer or a simplified fraction.) B. The local maximum/maxima is/are at x = and the local minimum/minima is/are at x = (Use a comma to separate answers as needed. Type integer or simplified fractions.) C. The local maximum/maxima is/are at x = 1 and there is no local minimum. (Use a comma to separate answers as needed. Type an integer or a simplified fraction.) O D. There is no local maximum and there is no local minimum. c. Identify the absolute maximum and minimum values of the function on the given interval (when they exist). Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice. A. The absolute maximum is at x= and there is no absolute minimum. (Use a comma to separate answers as needed. Type integers or simplified fractions.) B. The absolute maximum is at x = and the absolute minimum is at x= 11. (Use a comma to separate answers as needed. Type integer or decimals rounded to two decimal places as needed.) O C. The absolute minimum is at x= and there is no absolute maximum. (Use a comma to separate answers as needed. Type integers or simplified fractions.)
Answers
The absolute maximum occurs at x = -2 and the absolute minimum occurs at x = 0 and x = 2 and The absolute maximum is at x = -2 and the absolute minimum is at x = 0, 2.
a. The local minimum is at x=2 and there is no local maximum.
b. The local maximum is at x=1 and the local minimum is at x=-2 and x=2.
c. The absolute maximum is at x=0 and the absolute minimum is at x=2.
(Note: To find the absolute maximum and minimum, we need to evaluate the function at the critical points and endpoints of the interval. The critical points are x=0 and x=2, and the endpoints are x=-2 and x=2. The absolute maximum is the largest value among these, which is f(0)=0. The absolute minimum is the smallest value among these, which is f(2)=-4.)
Given the function f(x) = x²(x - 2) on the interval [-2, 2]:
A. To find the local minima and maxima, we need to take the first derivative and find its critical points.
f'(x) = 3x² - 4x
Solving for x, we get x = 0 and x = 4/3.
However, x = 4/3 is not within the interval [-2, 2], so the only critical point within the interval is x = 0.
There is a local minimum at x = 0, and no local maximum. Therefore, the answer is:
A. The local minimum is at x = 0 and there is no local maximum. (Type an integer or a simplified fraction.)
B. For the absolute maximum and minimum, we need to evaluate the function at the endpoints and the critical point within the interval.
f(-2) = (-2)²(-2 - 2) = 16
f(0) = (0)²(0 - 2) = 0
f(2) = (2)²(2 - 2) = 0
The absolute maximum occurs at x = -2 and the absolute minimum occurs at x = 0 and x = 2. The answer is:
B. The absolute maximum is at x = -2 and the absolute minimum is at x = 0, 2. (Use a comma to separate answers as needed. Type integers or simplified fractions.)
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12. Julie is buying a house for $225,000. She obtains a mortgage in the amount of $156,000 at a
4. 5% fixed rate. The bank offers a 4. 25% interest rate if julie pays 2. 25 points. What is the cost
of points for this mortgage rounded to the nearest dollar?
$3,510
$5,063
$6,630
$7,020
Answers
The cost of points for this mortgage is $3,510 rounded to the nearest dollar if Julie pays 2.25 points.
Cost of house = $225,000.
Mortgage amount = $156,000
Fixed-rate = 4.5%
Bank offer rate = 4.25%
Points to pay = 2.25 points
If we assume that one point is equal to 1%, then 2.25 points are equal to 2.25% of the loan amount.
The cost of points for the mortgage can be calculated by the product of the loan amount by 2.25%.
Cost of points = 0.0225 × $156,000
Cost of points = $3,510
Therefore, we can conclude that the cost of points for this mortgage is $3,510 rounded to the nearest dollar.
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Determine which function has the greatest rate of change as x approaches infinity. f(x) = 2x − 10 g(x) = 16x − 4 h(x) = 3x2 − 7x 8 there is not enough information to determine the answer.
Answers
The rate of change of a function as x approaches infinity is determined by the leading term in the function.
For f(x) = 2x - 10, the leading term is 2x.
For g(x) = 16x - 4, the leading term is 16x.
For h(x) = 3x^2 - 7x + 8, the leading term is 3x^2.
Since the coefficient of the leading term in h(x) is positive, and it has a higher degree than the leading terms of f(x) and g(x), h(x) has the greatest rate of change as x approaches infinity.
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Gareth pays $60 for 9m of climbing rope. How much will Sophie pay for 15m at the same store?
Answers
Sophie will pay money equivalent to $100 for 15m at the same store.
What is Money?The term "money" in mathematics refers to a form of payment, such as bills, coins, and demand deposits, that is used to purchase goods and services. Money is used to pay for the worth or price of an item or service.
A country's monetary system is referred to as its currency.
In the case of Gareth,
Money paid for 9 m of climbing [tex]=\$60[/tex]
Money paid per m of climbing [tex]=\$60\div9[/tex]
Thus, money paid by Sophie for 15 m of climbing [tex]= 15 \times (60\div9)[/tex]
[tex]\boxed{\bold{= \$100}}[/tex]
Hence Sophie will pay money equivalent to $100 for 15m at the same store.
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Answer:
$100
Step-by-step explanation:
We know that for 9m of rope, Gareth had to pay $60.
The question is asking us to find out how much Sophie will pay for 15m of rope. To do this, we have to find out how much is paid per meter of rope.
[tex]60/9\\=6\frac{2}{3}[/tex]
For the sake of not using fractions, let's keep it as an improper fraction: 60/9
So, we can write an equation for the price of 15m of rope:
(60/9)·15
=100
So, Sophie will pay $100 for 15m of rope.
Hope this helps! :)
Researchers in scotland have been following the development of a sample of 11-year-old children since 1932. what type of study are they conducting
Answers
In this case, the researchers have been following the development of a sample of 11-year-old children since 1932, which is a very long period of time, making it a classic example of a longitudinal study
The type of study that the researchers in Scotland are conducting is a longitudinal study. Longitudinal studies involve following a group of individuals over an extended period of time, often years or even decades, in order to observe changes or continuity in their development, behaviors, or other characteristics.Longitudinal studies are considered to be one of the most powerful research designs for understanding how individuals change over time. By following a group of people over an extended period, researchers can gain insight into how different factors, such as social, environmental, and biological, interact to shape development.
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The volumes of two similar solids are 15 cubic cm and 45 cubic cm. What is the ratio of their surface areas ? (ANSWER BOTH)
Answers
1. The ratio of the surface areas of the two similar solids is 3. 2. The ratio of the volumes of the two similar solids is 3.
Describe Surface Area?Surface area is a measure of the total area of the surface of a three-dimensional object. It is the sum of the areas of all the faces, sides, and bases of the object. Surface area is expressed in square units, such as square meters (m²) or square feet (ft²).
The formula for calculating the surface area of a particular object depends on its shape. Some common shapes and their formulas for surface area include:
Rectangular prism: Surface area = 2lw + 2lh + 2wh, where l is the length, w is the width, and h is the height.
Cube: Surface area = 6s², where s is the length of one side.
Sphere: Surface area = 4πr², where r is the radius.
Cylinder: Surface area = 2πr² + 2πrh, where r is the radius and h is the height.
Cone: Surface area = πr² + πrl, where r is the radius and l is the slant height.
1. To find the ratio of the surface areas of two similar solids, we need to use the fact that the ratio of the surface areas is equal to the square of the ratio of their corresponding side lengths. Since the solids are similar, their corresponding side lengths are in proportion.
Let's call the ratio of the corresponding side lengths "r". Then, we have:
Ratio of surface areas = r²
To find "r", we can use the fact that the ratio of the volumes of two similar solids is equal to the cube of the ratio of their corresponding side lengths. Therefore:
(Ratio of side lengths)³ = Ratio of volumes
Let's call the ratio of the corresponding side lengths "k". Then, we have:
k³ = 45/15 = 3
k = ∛3
Now, we can find the ratio of surface areas:
Ratio of surface areas = (corresponding side length ratio)²
Ratio of surface areas = (∛3)² = 3
Therefore, the ratio of the surface areas of the two similar solids is 3.
2. To find the ratio of the volumes of the two similar solids, we simply divide the larger volume by the smaller volume:
Ratio of volumes = 45/15 = 3
Therefore, the ratio of the volumes of the two similar solids is 3.
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Find the volume of the sphere. Enter your exact answer in terms of Pi
Answers
Answer:
V ≈ 26808.47Step-by-step explanation:
V=4
3πr 3=4
3·π·83≈2144.66058
The given equation, 3πr3=4, suggests that the volume of some object is 4, which can be solved to find the radius.
The volume of a sphere with a radius of 8 can be calculated using the formula: V = (4/3)πr³, where r is the radius of the sphere and π is the mathematical constant pi. Substituting the value of the radius into the formula,
we get V = (4/3)π(8³) = 2144π or approximately 26808.47 cubic units. Therefore, the volume of the sphere is approximately 26808.47 cubic units.
A line is described by the equation y=3/5x+4/7 in slope intercept form identify the slope and y-intercept to the line
Answers
The slope of the line is 3/5 and the y-intercept is 4/7.
What is the slope and y-intercept of the line given by the equation y = 3/5x + 4/7 in slope-intercept form?The equation of the line in slope-intercept form is y = mx + b, where m is the slope of the line and b is the y-intercept.
In this form, the slope of the line tells us how steeply the line is rising or falling, while the y-intercept tells us where the line crosses the y-axis.
In the given equation y = 3/5x + 4/7, we can see that the coefficient of x, 3/5, is the slope of the line. This means that for every 1 unit increase in x, the line will increase by 3/5 units in y.
A positive slope means that the line is rising from left to right, while a negative slope means that the line is falling.
We can also see that the constant term, 4/7, is the y-intercept of the line. This tells us that the line crosses the y-axis at the point (0, 4/7). In other words, when x is 0, y is equal to 4/7.
So, to summarize, the slope of the line y = 3/5x + 4/7 is 3/5, which means the line rises 3 units for every 5 units it moves to the right.
The y-intercept is 4/7, which tells us the line crosses the y-axis at the point (0, 4/7).
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Write the following as a factorial: 8x7x6x5x4x3x2x1
Answers
Answer:
A factorial is the product of all positive integers from 1 to a given number. In this case, the given number is 8, so the factorial would be:
8 x 7 x 6 x 5 x 4 x 3 x 2 x 1
This can be simplified by recognizing that each number is one less than the previous number in the sequence, so we can rewrite it as:
8! = 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1
where the exclamation mark denotes a factorial. Thus, the given expression can be written as 8!
can the side length make a triangle 5cm, 1cm and 5cm if not explain?
Answers
Answer:
so
Step-by-step explanation:
Let's call the length of each of the other two sides x. Since the triangle is isosceles, it has two sides of equal length. Therefore, the perimeter of the triangle can be expressed as 6 + x + x Simplifying this equation, we get 2x + 6 We know that the perimeter is 22 cm so we can set up an equation and solve for x. 22 = 2x + 6 Subtracting 6 from both sides, we get 16 = 2x Dividing both sides by 2, we get x=8
The equation r = 3cos(6θ) represents a rose curve. How many petals does the graph contain
Answers
Check the picture below.
Answer:
C (12)
Step-by-step explanation:
Please show me explanations on these
Answers
Answer:
1)55,44
2)6,4
3)49,8
4)11,7
5)12,444
6)23,04
7)12,46
8)15,06
9)31,68
10)30,4
Step-by-step explanation:
Recheck them and make sure there are no mistakes
Which points lie on the graph of the inverse of f(x)=5x−2?
Select all that apply.
Answers
Points lie on the graph of the inverse of f(x)=5x−2.
Hence, the correct option is C,E,F.
To find the points on the graph of the inverse of f(x), we need to switch the x and y coordinates of each point on the graph of f(x). Then, we can simplify the equation to isolate y and get the inverse function.
f(x) = 5x - 2
y = 5x - 2 (replace f(x) with y)
x = 5y - 2 (switch x and y)
x + 2 = 5y (add 2 to both sides)
y = (x + 2)/5 (divide both sides by 5)
So, the inverse function of f(x) is
[tex]f^{-1}[/tex](x) = (x + 2)/5
Now, we can substitute each point from the given options into the inverse function to see if it lies on the graph of the inverse of f(x).
1. (0, -2)
[tex]f^{-1}[/tex](0) = (0 + 2)/5 = 2/5
No, this point does not lie on the graph of the inverse of f(x).
2. (1, 3)
[tex]f^{-1}[/tex](1) = (1 + 2)/5 = 3/5
No, this point does not lie on the graph of the inverse of f(x).
3. (-2, 0)
[tex]f^{-1}[/tex](-2) = (-2 + 2)/5 = 0
Yes, this point lies on the graph of the inverse of f(x).
4. (2/5, 1)
[tex]f^{-1}[/tex](2/5) = (2/5 + 2)/5 = 6/25
No, this point does not lie on the graph of the inverse of f(x).
5. (0, 2/5)
[tex]f^{-1}[/tex](0) = (0 + 2)/5 = 2/5
Yes, this point lies on the graph of the inverse of f(x).
6. (3, 1)
[tex]f^{-1}[/tex](3) = (3 + 2)/5 = 1
Yes, this point lies on the graph of the inverse of f(x).
Therefore, the points that lie on the graph of the inverse of f(x) are (-2, 0), (0, 2/5) and (3, 1),
Hence, the correct option is C,E,F.
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square peg sydney smith wrote in ""on the conduct of the understanding"" that it is im-possible to fit a square peg in a round hole.
Answers
On the basic of square peg sydney smith written point the probability that it is im-possible to fit a square peg in a round hole is equals to the zero.
Probability is defined as the number of chances of occurrence of an event. It is the ratio of the number of favorable outcomes to the total outcomes in that sample space. Mathematical formula is written as, probability of an event, P(E) = (Number of favorable outcomes)/(Total possible outcomes). Now, we have specify that according to sydney smith written in on the conduct of the understanding about square peg that it is impossible to fit a square peg in a round hole. Let consider an event A of fit a square peg in a round hole. We have specify that it is impossible to fit a square peg in a round hole. So, the favourable possible outcomes for event A = 0. Therefore, the probability that to fit a square peg in a round hole, P(A) = 0
Hence, required probability value is zero.
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Sketch a profit function P(q) satisfying the following: the domain is 0 ?q? 20,000; marginal profit is negative for 10,000 < q < 15,000 and nowhere else; P has an inflection point at q = 13,000; the break-even point is q = 2000; and marginal profit is constant for q > 17,000.
Answers
P(q) has a concave down inflection at q=13,000, negative marginal profit between q=10,000 to 15,000, constant marginal profit after q=17,000, and breaks even at q=2000.
One possible profit function that satisfies the given conditions is:
P(q) = -0.002(q-13,000)^3 + 20q - 40,000
The domain is 0 ≤ q ≤ 20,000, and the marginal profit is negative for 10,000 < q < 15,000, meaning that increasing production within this range will result in decreasing marginal profit. The inflection point at q = 13,000 indicates a change in the concavity of the profit function.
The break-even point is q = 2000, which means that the profit function crosses the x-axis at this point.
For q > 17,000, the marginal profit is constant, indicating that the profit function becomes linear beyond this point. This profit function satisfies all the given conditions and can be used to model the profit of a business or a product as a function of production quantity.
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State the number of complex zeros and the possible rational zeros for the function
show your work
Answers
The function f(x) = x² + 12x - 3 has two distinct real roots and no rational or complex roots. The possible rational roots are ±1 and ±3, but they are not actual roots of the equation.
To find the number of complex zeros and possible rational zeros of the function f(x) = x² + 12x - 3 = 0, we can use the same methods as in the previous question.
According to the rational root theorem, any rational root of the polynomial must be of the form p/q, where p is a factor of the constant term (-3) and q is a factor of the leading coefficient (1). The possible rational roots are therefore ±1, ±3.
To determine if there are any complex roots, we can use the quadratic formula. The solutions to the equation f(x) = 0 are given by
x = (-b ± √(b² - 4ac)) / 2a
Plugging in the coefficients of the polynomial, we get
x = (-12 ± √(12² - 4(1)(-3))) / 2(1)
x = (-12 ± √(156)) / 2
x = -6 ± 3√(13)
Since the discriminant (b² - 4ac) is positive, the square root is real, and the roots are two distinct real numbers. Therefore, there are no complex roots.
The possible rational roots we found earlier, ±1 and ±3, are not actual roots of the equation, since plugging them into the equation does not give us zero. Therefore, there are no rational roots either.
In conclusion, the equation f(x) = x² + 12x - 3 = 0 has two distinct real roots and no complex or rational roots.
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--The given question is incomplete, the complete question is given
" State the number of complex zeros and the possible rational zeros for the function f(x) = x² + 12x -3 = 0
show your work"--
HELP DUE TOMORROW!!!!!!!!
Answers
Answer:
The third choice is the correct answer.
The box plot represents the miles Emilia ran after school for 21 days.
3
4
5
9
10
6 7
8
Miles Run
Part B
Can you use the box plot to find the IQR? Explain.
Answers
The IQR is approximately 1 unit.
How we find the IQR?Yes, you can use the box plot to find the IQR (Interquartile Range).
The IQR is the distance between the upper quartile (Q3) and the lower quartile (Q1) of the data. In a box plot, Q1 is the bottom of the box, and Q3 is the top of the box. The IQR is the height of the box.
Therefore, in the given box plot, you can find the IQR by measuring the height of the box and calculating the difference between Q3 and Q1.
The length of the whiskers and the positions of the outliers are not used in calculating the IQR.
So, looking at the box plot, we can see that the height of the box is approximately 4 units (the units are not specified in the question).
The bottom of the box (Q1) is at approximately 3 units, and the top of the box (Q3) is at approximately 7 units.
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Classify triangle ABD by its sides and then by its angles.
Select the correct terms from the drop-down menus.
Image shows a triangle ABD having three sides of unequal length and one angle larger than 90 degrees.
Triangle ABD is
and
.
.
Answers
Triangle ABD is scalene and obtuse.
How to classify the triangle?The triangle has three sides of unequal length, hence it is classified as an scalene triangle.
(it would be equilateral if all had the same length, and isosceles if two sides have the same length).
The triangle has one angle larger than 90º, hence it is classified as an obtuse triangle.
(acute with no angles of 90º or greater, right with one angle of exactly 90º).
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2. Reemplaza los valores correspondientes de "a", "b" y "c", y calcula: a = -2 b = 3 c = 4 a) a + b – c = b) a – b + c = c) a + 2. B – 2c = d) (7. B) : (b + c) = e) a ∙ c + 2. B – 2. C = f) c · (b – a) =
Answers
For each expression, the value is calculated by following the order of operations, i.e. first solving any multiplication or division, then addition or subtraction. The resulting values are: a + b - c = -3, a - b + c = -1, a + 2b - 2c = -5, (7b)/(b+c) = 3, ac + 2b - 2c = -10, and c(b-a) = 20.
To calculate a + b - c, we substitute a = -2, b = 3, and c = 4. So,
a + b - c = -2 + 3 - 4 = -3
To calculate a - b + c, we substitute a = -2, b = 3, and c = 4. So,
a - b + c = -2 - 3 + 4 = -1
To calculate a + 2b - 2c, we substitute a = -2, b = 3, and c = 4. So,
a + 2b - 2c = -2 + 2(3) - 2(4) = -5
To calculate (7b) / (b + c), we substitute b = 3 and c = 4. So,
(7b) / (b + c) = (7(3)) / (3 + 4) = 21 / 7 = 3
To calculate ac + 2b - 2c, we substitute a = -2, b = 3, and c = 4. So,
ac + 2b - 2c = (-2)(4) + 2(3) - 2(4) = -10
To calculate c(b - a), we substitute a = -2, b = 3, and c = 4. So,
c(b - a) = 4(3 - (-2)) = 4(5) = 20
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A student is painting a brick for his teacher to use as a doorstop in the classroom. He is only painting the front of the brick. The vertices of the face are (−6, 2), (−6, −7), (6, 2), and (6, −7). What is the area, in square inches, of the painted face of the brick? 144 in2 108 in2 72 in2 42 in2
Answers
The area of the painted face of the brick is given as follows:
108 in².
How to obtain the area of a rectangle?The area of a rectangle of length l and width w is given by the multiplication of dimensions, as follows:
A = lw.
The dimensions for this problem are given as follows:
Width: 6 - (-6) = 12.Length: 2 - (-7) = 9.Hence the area of the painted face of the brick is given as follows:
A = 12 x 9 = 108 in².
(the area of a rectangle is given by the multiplication of the dimensions, which we did here).
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1pt A clothing company needs to determine how much fabric to use for a sleeve on a shirt. It uses the following model arm as a way to test the fit. The sleeve needs to cover
the 20 centimeters from the shoulder to the elbow.
Upper Arm
What solid best represents the model for the sleeve? What is the minimum surface area of fabric needed for the sleeve?
Answers
The minimum surface area of fabric needed for the sleeve is approximately 628.32 cm².
How much fabric for sleeve?Based on the given model arm, a right circular cylinder would best represent the model for the sleeve.
To calculate the minimum surface area of fabric needed for the sleeve, we need to find the lateral surface area of the right circular cylinder.
The lateral surface area of a right circular cylinder is given by the formula:
Lateral surface area = 2πrh
where r is the radius of the cylinder, h is the height of the cylinder.
In this case, the height of the cylinder needs to be 20 cm (to cover the distance from the shoulder to the elbow), and the radius can vary depending on the desired fit. Let's assume a radius of 5 cm for the purposes of this calculation.
Plugging in the values, we get:
Lateral surface area = 2π(5 cm)(20 cm)
= 628.32 cm²
Therefore, the minimum surface area of fabric needed for the sleeve is approximately 628.32 cm².
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1. The cost of renting a car for a day is $0.50 per mile plus a $15 flat fee.
(a) Write an equation to represent this relationship. Let x be the number of miles driven and y be the total cost for the day.
(b) What does the graph of this equation form on a coordinate plane? Explain.
(c) What is the slope and the y-intercept of the graph of the relationship? Explain
Answers
Answer:
a) y=0.50x+15
b) The graph of this equation form on a coordinate plane is a line.
c) Slope =0.50 and y-intercept = 15
Step-by-step explanation:
Let x = Number of miles driven by car
Given: The cost of renting a car for a day is $0.50 per mile plus a $15 flat fee.
a) Total cost = 0.50x+15
If y =total cost of renting the car, then y=0.50x+15 (i)
b) Above equation is similar to y= mx+c (ii) [m = slope , xc=y-intercept] which a linear equation .
So the graph of this equation form on a coordinate plane is a line.
c) Comparing (i) and (ii)
m=0.50 , c=15
Hope this helps :)
Consider the histogram shown in the figure.
Which best describes the histogram?
Skewed left
Skewed right
symmetric
Vertical
Thank you!!!
