If the gas pressure inside a sealed tank is 689 kpa absolute, what is the pressure in pounds force per square inch or psi?
Determine the equation of the circle graphed below
Answer:
(x + 3)² + (y - 7)² = 2²
Step-by-step explanation:
Equation of a circle is (x - a)² + (y - b)² = r²,
where a is the x-coordinate of the centre of the circle, b is the y-coordinate of the centre of the circle, r is the circle's radius.
centre of the circle is at (-3,7).
the radius is 2.
so our equation is Equation of a circle is (x - -3)² + (y - 7)² = 2²
(x + 3)² + (y - 7)² = 2²
Please show your work when answering.
If the value of a polynomial is 0 when x = 5, then the expression x - 5 must be a factor of the polynomial.
To understand why, let's consider the process of evaluating a polynomial at a specific value of x.
When we substitute x = 5 into the polynomial, if the result is 0, it means that (x - 5) is a factor of the polynomial. This is because when we divide the polynomial by (x - 5), the remainder is 0.
In other words, if the polynomial evaluates to 0 when x = 5, it indicates that (x - 5) divides evenly into the polynomial, making it a factor.
Thus, the other expressions (-5x, 5x, x + 5) are not necessarily factors of the polynomial when the value of x is 5.
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Which equation is equivalent to 3 (x+2) =-7
Answer:
B. IS correct
Step-by-step explanation:
Answer:
last one option D
Step-by-step explanation:
An investment project is expected to yield $10,000 in annual revenues, has $2,000 in fixed costs per year, and requires an initial investment of $5,000. Given a cost of goods sold of 60 percent of sales, what is the payback period in years
A $5,000 initial investment is needed for a project that is predicted to generate yearly revenues of $10,000, have fixed expenditures of $2,000, and require a $2,000 initial investment, then the payback period in years with a cost of goods sold of 60% of sales will be 2.5 years.
We need to figure out how long it will take for the total cash flows to match or exceed the initial investment in order to compute the payback period.
Revenue: $10,000 per year
Cost of Goods Sold (60% of sales): 0.6 * $10,000 = $6,000 per year
Fixed Costs: $2,000 per year
Operating Cash Flow: Revenue - Cost of Goods Sold - Fixed Costs
Operating Cash Flow = $10,000 - $6,000 - $2,000 = $2,000 per year
Payback Period = [tex]\frac{Initial \ Investment}{Annual \ Cash \ Flows}[/tex]
= [tex]\frac{Initial \ Investment}{Revenue\ \times\ (1-Cost\ of \ Goods \ Sold)}[/tex]
= [tex]\frac{\$5,000}{\$10,000\times(1-0.60)-\$2,000}[/tex]
= [tex]\frac{\$5,000}{\$4,000-\$2,000}[/tex]
= 2.5 years
Therefore, the payback period is 2.5 years.
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8-i/3-2i
If the expression above is written in the form a + bi, where a and b are real numbers, what is the value of a?
The value of a in the expression 8 - i/3 - 2i is 8.
To find the value of a, we need to simplify the expression by combining like terms.
First, let's deal with the complex numbers. We have -i/3 - 2i. To combine these terms, we can factor out the common factor of i:
-i/3 - 2i = i(-1/3 - 2)
Next, we can simplify the real numbers. -1/3 - 2 can be combined to give -7/3.
So, we have i(-7/3).
Finally, we can simplify the expression by multiplying i with -7/3:
i(-7/3) = -7i/3.
Therefore, the expression 8 - i/3 - 2i simplifies to 8 - 7i/3.
From this expression, we can see that the real part, a, is 8.
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A customer has been following several investment company quotes in the newspaper. She notices that the GEM Fund has a net asset value (NAV) of $12 and a public offering price (POP) of $12.50, and that the ABC Fund has an NAV of $11.50 and a POP of $10.98. The customer should conclude that
The customer should conclude that the GEM Fund is being sold at a premium, as its POP is higher than its NAV. Conversely, the ABC Fund is being sold at a discount, as its POP is lower than its NAV.
The Net Asset Value (NAV) represents the value of a mutual fund's assets per share. It is calculated by dividing the total value of the fund's assets by the number of shares outstanding. The Public Offering Price (POP), on the other hand, is the price at which new shares of the mutual fund are being sold to investors.
In the given scenario, the GEM Fund has an NAV of $12 and a POP of $12.50. Since the POP is higher than the NAV, it indicates that investors are required to pay a premium of $0.50 per share to purchase the GEM Fund. This premium can be seen as an additional cost or fee associated with buying into the fund.
On the other hand, the ABC Fund has an NAV of $11.50 and a POP of $10.98. Here, the POP is lower than the NAV, suggesting that investors can purchase shares of the ABC Fund at a discount of $0.52 per share compared to its underlying asset value.
Therefore, based on the provided information, the customer can conclude that the GEM Fund is being sold at a premium, while the ABC Fund is being sold at a discount.
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Compute the expression
C(10,3)
A student plays on a see-saw with her father. The student has a weight of 250 N and is seated 2.4 m from the axis of rotation. Her father balances her when he is seated 0.8 m from the axis. The father's weight is
Answer:
750 N
Step-by-step explanation:
As the seesaw is balanced, the torque on both ends must be equal.
Weight of the student is 250 N at 2.4 m from the axis
Let the father's weight be x N, at 0.8 m from the axis
= fd
So, 250 * 2.4 = 0.8 * x
Solving for x, the father's weight is 750 N
Please help
estimate the square root to the nearest (a) integer and (b) tenth.
The square root √335 to the nearest
(a) integer is 18(b) tenth is 18.3How to estimate the square root of the expressionFrom the question, we have the following parameters that can be used in our computation:
Expression = √335
Using a calculator, we have the following result
Expression = 18.3030052177
To the nearest (a) integer;
We estimate all numbers after the decimal point
So, we have
Estimation = 18
To the nearest (b) tenth;
We estimate all numbers behind the first digit after the decimal point
So, we have
Estimation = 18.3
Hence, the estimates are 18 and 18.3
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Question
Estimate the square root to the nearest (a) integer and (b) tenth.
√335
In the ACME rubber ball factory, a stream of rubber balls, each of mass m, comes out of a horizontal tube at a rate of R per second. These balls fall a distance of h into a bucket of mass M suspended by a rope from the ceiling. If the balls bounce out of the bucket back to their original height when leaving the tube, what is the (average) tension T in the massless rope holding the bucket
Therefore, the average force exerted on the bucket per unit time is given by the change in momentum divided by the time interval: Δp / (1/R) = RΔp.
The average tension T in the massless rope holding the bucket is equal to the total force exerted on the bucket due to the falling rubber balls. This force is equal to the change in momentum of the balls per unit time. When a rubber ball falls into the bucket, it experiences a change in momentum due to the gravitational force acting on it.
The change in momentum is given by the product of the mass of the ball (m) and the change in velocity (v), which is equal to the velocity of the ball when it leaves the tube. Since the balls bounce back to their original height, the change in velocity is twice the initial velocity, as the ball reverses its direction. The time interval between successive ball impacts is 1/R.
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sophie is designing a new board game, and is trying to figure out all the possible outcomes. how many different possible outcomes are there if she rolls a fair die in the shape of a pyramid that has four sides labeled 1 to 4, flips a coin, and rolls a fair die in the shape of a cube that has six sides labeled 1 to 6?
Answer:
48
Step-by-step explanation:
Since there are:
4 possibilities,
2 possibilities, and
6 possibilities
So the number of possible outcomes is:
4 × 2 × 6
= 48
A boy jumps from a wall 3 m high. What is an estimate of the change in momentum of the boy when he lands without rebounding
Estimated change in momentum of the boy after he lands without rebounding is equal to 0 kgm/s approximately.
Height of the wall = 3meters
To estimate the change in momentum of the boy when he lands without rebounding,
Use the principle of conservation of momentum.
The change in momentum of an object is equal to the product of its mass and the change in velocity.
Here, the boy's mass is not given, but we can assume it to be negligible compared to the change in velocity.
This implies, focus on the change in velocity alone.
When the boy jumps from a wall 3m high, he undergoes free fall due to gravity.
The final velocity of an object in free fall can be calculated using the equation,
v² = u² + 2as,
where,
v = final velocity (unknown)
u = initial velocity (0 m/s, as the boy jumps from rest)
a = acceleration due to gravity (-9.8 m/s²)
s = displacement (3 m, height of the wall)
Rearranging the equation, we get,
⇒ v² = 0 + 2(-9.8)(3)
⇒ v² = -58.8
⇒ v ≈ -7.67 m/s
Since the boy lands without rebounding, his final velocity is approximately -7.67 m/s,
Considering downward motion as negative.
The change in momentum can be calculated by multiplying the mass assumed to be negligible with the change in velocity,
⇒ Change in momentum = mass × change in velocity
⇒ Change in momentum ≈ 0 × (-7.67) kgm/s
⇒ Change in momentum ≈ 0 kgm/s
Therefore, the estimate of the change in momentum of the boy when he lands without rebounding is approximately 0 kgm/s.
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the main difference on the income statement between a manufacturer and a merchandiser includes: multiple choice items making up cost of goods sold items making up raw materials inventory selling and administrative expenses revenue
The income statement presents the revenues, expenses, and net income of a company over a specific period. The main difference on the income statement between a manufacturer and a merchandiser lies in the items making up the cost of goods sold (COGS).
The income statement presents the revenues, expenses, and net income of a company over a specific period. For a manufacturer, the COGS includes the cost of raw materials, direct labor, and manufacturing overhead. These costs are associated with the production process and transforming raw materials into finished goods. Additionally, the manufacturer's income statement may also include other manufacturing costs, such as depreciation of production equipment.
On the other hand, for a merchandiser, the COGS primarily consists of the cost of acquiring or purchasing the goods that are sold to customers. This typically includes the cost of purchasing inventory from suppliers, freight costs, and any other costs directly associated with obtaining the merchandise for resale. Merchandisers do not have the additional costs related to the production process or manufacturing overhead that manufacturers incur.
Therefore, the key distinction on the income statement between a manufacturer and a merchandiser is the composition of the COGS. Manufacturers include costs associated with producing goods, while merchandisers focus on the costs of acquiring and reselling inventory. Other components of the income statement, such as revenue and selling and administrative expenses, may be similar for both types of businesses.
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Suppose that a rank-k approximation, for some k, gives an acceptable approximation. how much data is needed to represent the rank-k approximation? your answer should be an expression in terms of k, m and n.
The expression in terms of k, m, and n that represents the amount of data needed to represent the rank-k approximation is:
Data needed = (m + n) * k + k
What is expression?
In mathematics, an expression is a combination of numbers, variables, operators, and mathematical symbols that represents a mathematical relationship or computation.
To represent a rank-k approximation of a matrix, we need to determine how much data is needed.
Let's consider a matrix A of size m x n, where m represents the number of rows and n represents the number of columns. The rank-k approximation of matrix A can be obtained by decomposing it using a technique such as Singular Value Decomposition (SVD) and then truncating the decomposition to keep only the k largest singular values and corresponding singular vectors.
In SVD, matrix A is decomposed as [tex]A = U\sum V^T[/tex], where U is an m x k matrix, Σ is a k x k diagonal matrix containing the singular values, and [tex]V^T[/tex] is the transpose of an n x k matrix.
To represent the rank-k approximation, we need to store the matrices U, Σ, and [tex]V^T[/tex].
The storage requirements for each of these matrices are as follows:
Matrix U: m x k matrix, which requires m * k data elements.
Matrix Σ: k x k diagonal matrix, which requires k data elements on the diagonal and zero elements elsewhere. Therefore, Σ requires k data elements.
Matrix [tex]V^T[/tex]: n x k matrix, which requires n * k data elements.
Therefore, the total amount of data needed to represent the rank-k approximation is given by:
Data needed = Data for U + Data for Σ + Data for [tex]V^T[/tex]
Data needed = m * k + k + n * k
Hence, the expression in terms of k, m, and n that represents the amount of data needed to represent the rank-k approximation is:
Data needed = (m + n) * k + k
Please note that this expression assumes that the data elements are represented in a standard numerical format that requires a fixed amount of memory per element. Actual storage requirements may vary depending on the specific implementation or data representation used.
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Fractional reserve bankiong refers to a banking system in which a. bank loans are less than bank reserves. b. bank reserves are only a fraction of required reserves. c. bank reserves are only a fraction of total deposits. d. bank deposits are less than bank reserves.
Fractional-reserve banking refers to a banking system in which bank reserves are only a fraction of total deposits. The correct option is (C)
Fractional reserve banking is a system in which banks only hold a fraction of the total deposits as reserves, while the rest is used for making loans. This means that bank reserves are only a fraction of the total deposits, with the remaining funds being lent out as loans. This practice allows banks to earn interest on the loans they make, but it also exposes them to risk if too many borrowers default on their loans. Overall, fractional reserve banking is defined as a system in which banks lend out more money than they hold in reserves, relying on the assumption that not all borrowers will default at the same time.
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Match the system of equations with the number of solutions.
The system of equations should be matched to the number of solutions it has as follows;
y = 6x + 8 and y = 6x - 4 ⇒ no solution.
y = 3x + 2 and y + 3x = -7 ⇒ one solution.
4x - 2y = 10 and 2x - y = 5 ⇒ infinite solutions.
4x + y = 8 and y = -2x + 8 ⇒ one solution.
How to solve the given system of equations?In order to solve the given system of equations, we would apply the substitution method. Based on the information provided above, we have the following system of equations:
y = 6x + 8 .......equation 1.
y = 6x - 4 .......equation 2.
By using the substitution method to substitute equation 1 into equation 2, we have the following:
6x + 8 = 6x - 4
6x - 6x = -4 - 8
0 = -12 (no solution)
3x + 2 + 3x = -7
6x = -7 - 2
x = -9/6 (one solution).
4x - 2y = 10
4x - 2(2x - 5) = 10
4x - 4x + 10 = 10
0 = 0 (infinite solutions)
4x + y = 8
4x - 2x + 8 = 8
2x = 8 - 8
x = 0
y = -2x + 8
y = -2(0) + 8
y = 8 (one solution).
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If n -2 = 1/16, then n could be which of the following?
-1/4
4
-4
-8
1/4
Answer:
n = 33/16
Step-by-step explanation:
n - 2 = 1/16
n = 1/16 + 2
1/16 + 2 = 1/16 + 32/16 = 33/16
n = 33/16
the z value for a 97.8% confidence interval estimation is
The z value for a 97.8% confidence interval estimation is determined as 2.29.
What is the z value for a 97.8% confidence?The z value for a 97.8% confidence interval estimation is calculated as follows;
The find the Z score, go to a Z lookup table which is found in a textbook or on an internet source. z table is created to give the possibility in a one-tailed analysis.
A confidence interval is a two-tailed examination, in order to prepare the z score for 97.8%, look up the probability of 98.9%.
The value of 98.9% is
= (0.978 + 1 )/ 2
= 0.989 or 98.9%.
This implies that the z score of the date is 2.29.
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A square pyramid has a slant height of 18cm and a lateral area of 216.find the total surface area
Answer:
Step-by-step explanation:
d mkdm .,
I get 30% of 30% of a cake. How much (as a percentage) of the original cake did I end up with?
Find the equation of the line that passes through the points (3, 4) and (-3, 2).
Answer:
y = -1/3x + 3
Step-by-step explanation:
The equation is y = mx + b
m = the slope
b = y-intercept
Slope = rise/run or (y2 - y1) / (x2 - x1)
Points (3, 4) and (-3, 2)
We see the y decrease by 2 and the x increase by 6, so the slope is
m = -2/6 = -1/3
The Y-intercept is located at (0, 3)
So, the equation is y = -1/3x + 3
After a product recall, a company solicits feedback from a random sample of 100 customers regarding their opinion about the company since the recall. Customers were asked, "Do you approve, disapprove, or have no opinion about the company?” The public relations department is concerned that the opinions may be equally distributed across these three options. They decide to carry out a test of significance. Are the conditions for inference met?
No, the random condition is not met.
No, the 10% condition is not met.
No, the Large Counts condition is not met.
Yes, all of the conditions for inference are met.
No, the random condition is not met. Option A
How to determine the statementBased on the information given, we have that;
The random sample = 100 customers
Then, we can see that;
The random condition was not satisfied as the customers were chosen via a solicitation procedure and not by using a genuinely arbitrary sampling approach.
It was create a stare regarding possible partiality in the chosen group.
Nevertheless, the 10% rule is not satisfied as the number of surveyed clients, which is 100, exceeds 10% of the overall population size.
Lastly, the absence of specific figures or ratios for every answer choice leaves it indeterminate if the Large Counts requirement has been fulfilled.
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Under President Eisenhower, the CIA ran covert operations in countries where the threat of communism seemed strong in order to convince citizens of those countries that communism had important weaknesses. convince citizens of those countries that communism had important weaknesses. overthrow anti-American leaders and replace them with pro-American leaders. overthrow anti-American leaders and replace them with pro-American leaders. protect the investments of American businesses. protect the investments of American businesses. provide those countries with financial aid and other incentives.
Under Eisenhower, CIA conducted covert operations against communism, promoting pro-American alignment through persuasion, overthrowing leaders, and aiding American business investments.
During President Eisenhower's tenure, the CIA conducted covert operations in countries where the perceived threat of communism was significant. These operations aimed to highlight the weaknesses of communism to the citizens of those nations, as well as to overthrow leaders who were anti-American and replace them with pro-American counterparts. Another objective was to safeguard the investments of American businesses operating in those countries. Additionally, the CIA sought to provide financial aid and other incentives to these nations.
These covert operations pursued a multifaceted approach to achieve their goals. By showcasing the shortcomings of communism, the CIA aimed to undermine its appeal and convince citizens that alternative systems, such as democracy or capitalism, were more advantageous. The covert operations involved various strategies, including propaganda campaigns, support for opposition groups, and, in some cases, direct intervention.
The overthrow of anti-American leaders and the installation of pro-American counterparts aligned with Eisenhower's Cold War policies, which sought to contain the spread of communism and promote American influence globally. Furthermore, protecting the investments of American businesses was crucial to ensuring economic stability and securing strategic resources.
Simultaneously, providing financial aid and other incentives to these nations aimed to foster economic development and stability, thereby encouraging them to align with American interests. Such aid could include infrastructure projects, trade agreements, and military assistance, among other forms of support.
In summary, under President Eisenhower, the CIA ran covert operations in countries threatened by communism to convince citizens of communism's weaknesses, overthrow anti-American leaders, protect American business investments, and provide financial aid and other incentives to promote pro-American alignment.
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If you spin this spinner 110 times, how many times do you expect the spinner to land on green?
Answer: If they're equal sized sections, I would expect it to land on green about 36 times.
Step-by-step explanation:
110/3=36.666667
The final work breakdown structure (WBS) plan shows planned tasks, dependencies, durations, and resource assignments. It is denoted as
The completed work breakdown structure (WBS) and It is marked as follows: Baseline
A work breakdown structure (WBS) has been a diagram that depicts project elements. It additionally serves as a hierarchical and goal-oriented project.
It has a three-tiered work breakdown structure:
Deliverables that may nevertheless be broken down, Major deliverables We can delegate the project to the team to finish by the third level about deliverables.
This demonstrates how each of them is related to one another and to the overall project goals.
A Work Breakdown Structure (WBS) has become a hierarchical breakdown of the tasks that must be completed to complete a project. The work breakdown structure (WBS) "falls down" a project's structure through manageable deliverables.
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If log 3 = a and log 2 = c, then log 6 = ?
[tex]\textit{logarithm of factors} \\\\ \log_a(xy)\implies \log_a(x)+\log_a(y) \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \log_b(3)=a\hspace{5em}\log_b(2)=c \\\\[-0.35em] ~\dotfill\\\\ \log_b(6)\implies \log_b(2\cdot 3)\implies \log_b(2)+\log_b(3)\implies c+a[/tex]
is x<5? (1) x2>5 (2)x2 x<5 astatement (1) alone is sufficient, but statement (2) alone is not sufficient. bstatement (2) alone is sufficient, but statement (1) alone is not sufficient. cboth statements together are sufficient, but neither statement alone is sufficient.
Based on the analysis, the correct answer is (E) Both statements together are not sufficient to determine if x < 5.
What is analysis?
Analysis refers to the process of breaking down complex topics, systems, or information into smaller components or elements in order to understand and study them in detail.
To determine whether x < 5 based on the given statements, let's analyze each statement separately:
Statement (1):[tex]x^2[/tex] > 5
From this statement, we know that the square of x is greater than 5. However, we cannot determine the sign of x itself. For example, x could be positive or negative, which would affect whether x is less than 5 or not. Statement (1) alone is not sufficient to determine if x < 5.
Statement (2): [tex]x^2[/tex] < 5
This statement tells us that the square of x is less than 5. Since the square of a number is always non-negative, this implies that x is either positive or negative, but not zero. However, we still cannot determine if x is less than 5 or not based on this statement alone. Statement (2) alone is not sufficient to determine if x < 5.
When we consider both statements together, we have the information that [tex]x^2[/tex] > 5 and [tex]x^2[/tex] < 5. These statements contradict each other, indicating that there is no consistent value of x that satisfies both conditions. Therefore, both statements together are not sufficient to determine if x < 5.
Based on the analysis, the correct answer is (E) Both statements together are not sufficient to determine if x < 5.
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what is the term for The type of metamorphosis where wings develop internally as 'imaginal discs' that are expressed in the pupal stage
The term for the type of metamorphosis where wings develop internally as 'imaginal discs' expressed in the pupal stage is called holometabolous metamorphosis.
Holometabolous metamorphosis, also known as complete metamorphosis, is a type of metamorphosis seen in insects where the transformation from larva to adult involves distinct stages: egg, larva, pupa, and adult. During the pupal stage, internal structures called imaginal discs develop into adult structures, including wings. These imaginal discs are present in the larval stage but remain dormant until the pupal stage, where they undergo significant growth and differentiation to form adult features. This process allows for a complete transformation of the insect's body form, including the development of functional wings in the pupal stage, leading to the emergence of an adult insect with fully formed wings.
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2
Select the correct answer.
Which value is not part of the five-number summary needed for a box plot of this data?
(5, 6, 1, 27, 2, 7, 12, 15, 9, 18, 19)
A.
B.
C.
D.
1
5
9
11
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