Answer:
60
Step-by-step explanation:
-5(2×-6)
-5(-12)
60
It should be correct
How do you find the hight of the equation v=pi*r^2*h/3
The formula of height h = (3v) / (π * r^2)To find the height (h) of a cone given the volume (v) and the radius of the base (r), we can rearrange the equation v = (π * r^2 * h) / 3.
By multiplying both sides by 3 and dividing by π * r^2, we isolate the variable h and obtain the formula h = (3v) / (π * r^2). Substituting the appropriate values for volume and radius into this equation allows us to calculate the height of the cone.
To solve for the height (h) in the equation v = (π * r^2 * h) / 3, we first multiply both sides by 3 to eliminate the fraction. This results in the equation 3v = π * r^2 * h. Next, we isolate the variable h by dividing both sides of the equation by π * r^2, giving us the formula h = (3v) / (π * r^2). By substituting the known values for volume (v) and radius (r) into this equation, we can calculate the height (h) of the cone. It is important to ensure that the units for volume and radius are consistent and compatible to obtain the correct result.
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Find the slope of the line given the graph. Write your answer in the format m-#.
Answer:
It has a slope of 0
m-0
Step-by-step explanation:
which of the following best summarizes the selection sort algorithm? repeatedly swap values with the value in the first position. repeatedly select the smallest remaining value and put it in its sorted position. repeatedly select a random, unsorted value and put it in its sorted position. repeatedly swap values with the next value in the list.
1. The best summary of the selection sort algorithm is: "Repeatedly select the smallest remaining value and put it in its sorted position."
Determine the selection of sort algorithm?Selection sort works by dividing the input into two parts: the sorted portion and the unsorted portion. In each iteration, the algorithm selects the smallest remaining value from the unsorted portion and places it in its proper sorted position by swapping it with the element in the first position of the unsorted portion.
This process continues until the entire array is sorted.
2. True, It requires very little additional memory.
Determine the selection of sort algorithm?Selection sort is an in-place sorting algorithm, meaning it does not require additional memory proportional to the size of the input. It operates directly on the array being sorted, swapping elements as needed to achieve the sorted order.
Therefore, it has minimal extra memory requirements.
3. True, It offers a compact and effective method to interchange elements within a Python list.
Determine the selection of sort algorithm?In Python, swapping two values in a list can be done with a simple one-line code using a temporary variable. For example, to swap the values at indices i and j in a list called "my_list," you can write: "my_list[i], my_list[j] = my_list[j], my_list[i]."
This statement utilizes simultaneous assignment, where the values on the right side are evaluated first and then assigned to the corresponding variables on the left side.
Thus, it provides an efficient and concise way to swap elements in a list in Python.
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Complete question here:
Which of the following best summarizes the selection sort algorithm? repeatedly swap values with the value in the first position. repeatedly select the smallest remaining value and put it in its sorted position. repeatedly select a random, unsorted value and put it in its sorted position. repeatedly swap values with the next value in the list.
2. Selection sort requires minimal extra memory as it can be performed in place in an array.
True
False
3. In Python, swapping two values in a list can be done with one line of code.
True
False
A 14 -foot ladder is leaning on a tree. The bottom of the ladder on the ground at a distance of 5 feet from
the base of the tree.
Answer:
y=\(\sqrt{171}\)
Step-by-step explanation:
5^2+y^2=14^2
y^2=171
y=\(\sqrt{171}\)
since the ladder is the hypotenuse, it will be the largest in the equation
use pythagorean theorem
Marian Plunket owns her own business and is considering an investment. if she undertakes the investment, it will pay $28,000 at the end of each of the new 3 years. the opportunity requires an initial investment of $7,000 plus an additional investment at the end of the second year of $35,000. what is the NPV of this opportunity if the interest rate is 8% per year? Should Marian take it?
The NPV is positive, it is worth taking the Investment.
Net Present Value (NPV) is an assessment method that determines the attractiveness of an investment. It is a technique that determines whether an investment has a positive or negative present value.
This method involves determining the future cash inflows and outflows and adjusting them to their present value. This helps determine the profitability of the investment, taking into account the time value of money and inflation.The formula for calculating NPV is:
NPV = Σ [CFt / (1 + r)t] – CIWhere CFt = the expected cash flow in period t, r = the discount rate, and CI = the initial investment.
The given problem can be solved by using the following steps:
Calculate the present value (PV) of the expected cash inflows:
Year 1: $28,000 / (1 + 0.08)¹ = $25,925.93Year 2: $28,000 / (1 + 0.08)² = $24,009.11Year 3: $28,000 / (1 + 0.08)³ = $22,173.78Total PV = $72,108.82
Calculate the PV of the initial investment: CI = $7,000 / (1 + 0.08)¹ + $35,000 / (1 + 0.08)²CI = $37,287.43Calculate the NPV by subtracting the initial investment from the total PV: NPV = $72,108.82 – $37,287.43 = $34,821.39
Since the NPV is positive, it is worth taking the investment.
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Consider the linear system az + 2y + = 4
x-2y+2x=2a
ax+3y+z=2
For what value(s) of a the system has no solution? a) -1 b) - 1/2 c) 1/2 d) R - (1)
To solve for x algebraically with the given domain, we need to follow the steps below. 4sin²x - 1 = 0, 0 ≤ x < 2π. 5) 2sin²x + 5sinx = 3, 0 ≤ x.
For the equation 4sin²x - 1 = 0, we first isolate the sine term by adding 1 to both sides: 4sin²x = 1.
Divide both sides by 4 to get sin²x = 1/4.
Take the square root of both sides to obtain sinx = ±√(1/4).
Simplify the right side to sinx = ±1/2.
The possible values for sinx are 1/2 and -1/2. We need to find the corresponding values of x within the given domain 0 ≤ x < 2π.
For sinx = 1/2, we can use the inverse sine function to find the principal value, which is π/6. The other possible value in the given domain is 5π/6.
For sinx = -1/2, the principal value is 5π/6, and the other possible value within the given domain is 7π/6.
So, the solutions for 4sin²x - 1 = 0 in the given domain are x = π/6, 5π/6, 5π/6, and 7π/6.
For the equation 2sin²x + 5sinx = 3, we first rearrange it to the quadratic form: 2sin²x + 5sinx - 3 = 0.
To solve this quadratic equation, we can factor it: (2sinx - 1)(sinx + 3) = 0.
Set each factor equal to zero and solve them separately.
For 2sinx - 1 = 0, add 1 and divide by 2 to get sinx = 1/2.
The principal value of sinx = 1/2 is π/6, and the other possible value within the given domain is 5π/6.
For sinx + 3 = 0, subtract 3 to get sinx = -3.
However, sinx cannot be greater than 1 or less than -1, so there are no solutions for sinx = -3 within the given domain.
Therefore, the solutions for 2sin²x + 5sinx = 3 in the given domain are x = π/6 and 5π/6.
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please help me! which ones are the right ones , pls and ty
Answer:
-5/6=-5/-6=- 5/6
- 7/2=-7/-2=-7/2
Step-by-step explanation:
Given the functions f(x) = x3 + x2 – 3x + 4 and g(x) = 2x – 4, what type of functions are f(x) and g(x)? Justify your answer. What key feature(s) do f(x) and g(x) have in common? (Consider domain, range, x-intercepts, and y-intercepts.)
1. f(x) - cubic function -- polynomial , g(x) - linear function
similar
domain all real numbers (?)range is all real number, end behavior is the sameThe function f(x) = x³+x²-3x+4 is a polynomial function and g(x) = 2ˣ-4 is an exponential function.
Domain: -∞ < x < ∞
Range: -∞ < y < ∞
y-intercept = 4
x - intercepts = -2.68
Function g(x)
Domain: x > 0
Range: -4 < y < ∞
y - intercept = -4
x - intercepts = none
By comparing the key features above, we can conclude that the common features in both functions are their range
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Part 2−20 Points - See Below Given this list of departments. 1. Receiving 2. Fabrication 3. Painting 4. Assembly \& Shipping 5. Offices 6. Restrooms \& lockers 7. Stores 1. Calculate how many relationship codes there will be in this chart. 2. Create an activity relationship diagram 3. Populate the diagram with codes for all the relationships 4. What is the percentage of codes in each category? Does it follow the standard percentages? 5. Provide at least 3 reason codes for the chart 6. Create a work sheet to assist in the creation of the dimensionless block diagram. 7. Create a dimensionless block diagram for your data B. Show the flow through the dimensionless block diagram
The task requires analyzing a list of departments and performing several tasks related to relationship codes, activity relationship diagrams, reason codes, a worksheet, and a dimensionless block diagram.
We need to consider the number of departments. Since we have 7 departments listed, the number of relationship codes can be calculated using the formula: (n * (n-1)) / 2, where n is the number of departments.
Substituting the value of n = 7, we get:
Relationship Codes = (7 * (7-1)) / 2
= (7 * 6) / 2
= 42 / 2
= 21
Therefore, there will be 21 relationship codes in the chart.
Create an activity relationship diagram:
An activity relationship diagram visually represents the relationships between departments. Here is a basic diagram representing the given departments:
Receiving --+
+-- Assembly & Shipping -- Offices
Fabrication--+
+-- Painting -- Stores
Restrooms & Lockers
Populate the diagram with codes for all the relationships:
To populate the diagram with codes, we can assign a unique code to each relationship. Here's an example of assigning codes to the relationships in the diagram:
Receiving (R) --+
+-- Assembly & Shipping (AS) -- Offices (O)
Fabrication (F)--+
+-- Painting (P) -- Stores (S)
Restrooms & Lockers (RL)
What is the percentage of codes in each category? Does it follow the standard percentages?
To determine the percentage of codes in each category, we need to count the number of codes in each category and calculate the percentage relative to the total number of codes (21).
In this case, we have the following categories and their respective codes:
Production: R, F, AS, P (4 codes)
Administration: O, S (2 codes)
Support: RL (1 code)
Percentage of Production codes = (4 / 21) * 100 ≈ 19.05%
Percentage of Administration codes = (2 / 21) * 100 ≈ 9.52%
Percentage of Support codes = (1 / 21) * 100 ≈ 4.76%
These percentages do not necessarily follow any standard percentages. The distribution of codes among categories can vary depending on the specific organization or context.
Provide at least 3 reason codes for the chart:
Reason codes are used to provide explanations or justifications for the relationships depicted in the chart. Here are three example reason codes for the given chart:
R01: Receiving department receives raw materials and supplies from external sources.
AS01: Assembly & Shipping department assembles products and prepares them for shipment.
O01: Offices department provides administrative support and management functions for the organization.
Create a worksheet to assist in the creation of the dimensionless block diagram:
Here's an example of a worksheet that can assist in creating the dimensionless block diagram:
Relationship Code From Department To Department
R Receiving Fabrication
F Fabrication Painting
AS Assembly & Shipping Offices
P Painting Stores
RL Restrooms & Lockers -
O Offices -
S Stores -
This worksheet lists the relationship codes along with the corresponding "From" and "To" departments.
Create a dimensionless block diagram for your data B. Show the flow through the dimensionless block diagram:
A dimensionless block diagram represents the flow of activities or information between different departments. Here's an example of a dimensionless block diagram based on the given data:
Receiving --> Fabrication --> Painting --> Stores
|
v
Assembly & Shipping --> Offices
|
v
Restrooms & Lockers
The arrows indicate the flow of activities or information from one department to another.
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Monique hod 30. She purchased 2 necklaces for *8 each. How much money does Monique have remaining?
Answer:
$14
Step-by-step explanation:
The necklaces cost $8, so two would be $8+$8=$16
Now do the original $30 minus the $16 dollars spent
You now have $14 left.
Which of the following contains examples of ALLITERATION? Question 2 options: “We real cool. We left school.” “We lurk late. We strike straight.” “My soul has grown deep like the rivers.” “I’ve known rivers; ancient, dusky rivers.”
Answer:
We lurk late. We stike straight.
Step-by-step explanation:
Alliteration is the repetition of the beginning sounds ir letters of words.
Ex: Lucy is lazily laughing.
What would the number be if the number is even, less than -12 and the absolute value of the number is between 9 and 15
The number if the number is even, less than -12 and the absolute value of the number is between 9 and 15 is 14
What is Algebra?Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.
The acronym PEMDAS stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This approach is used to answer the problem correctly and completely.
We are given that;
Number is even
Number is less than -12
Number is between 9 and 15
Now,
If the number is even and less than -12, the only possibility within the given constraints is -14.
Since the absolute value of -14 is 14, which is between 9 and 15, it satisfies the additional condition that the absolute value of the number is between 9 and 15.
Therefore, by algebra the answer will be 14.
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4. There are major chords built on what three notes (with all white notes and no accidentals)? O CFG O ABC GEB OCDE
The three major chords built on white notes without accidentals are:
1. C major chord (C, E, G)
2. F major chord (F, A, C)
3. G major chord (G, B, D)
These chords are formed by taking the root note, skipping one white note, and adding the next white note on top. For example, in the C major chord, the notes C, E, and G are played together to create a harmonious sound.
Similarly, the F major chord is formed by playing F, A, and C, and the G major chord is formed by playing G, B, and D. These three major chords are commonly used in various musical compositions and are fundamental building blocks in music theory.
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I NEED HELP!!! :((((
Answer:
it represents a polynomial
Complete the following problem and round to the correct number of significant figures:
1.050 + 3.0 + 7.8000
The diameter of a circle is 16 meters. What is the radius?
Answer
8meters
Step-by-step explanation:
divide the diameter (16) by 2
=8
The length of one kind of fish is normally distributed. The average length is 2.5 inches, with a standard deviation of 0.4 inches. What is the probability that the average length of 100 randomly selected fishes is less than 2.4 inches
There is only a 0.62% chance that the average length will be less than 2.4 inches. Therefore, we can conclude that it is unlikely for the average length of 100 randomly selected fish to be less than 2.4 inches.
Use the central limit theorem, which states that the distribution of sample means will be approximately normal regardless of the distribution of the population, as long as the sample size is large enough.
In this case, we are given that the length of one kind of fish is normally distributed, with a mean of 2.5 inches and a standard deviation of 0.4 inches. We want to find the probability that the average length of 100 randomly selected fish is less than 2.4 inches.
To apply the central limit theorem, we need to calculate the mean and standard deviation of the sampling distribution of the sample mean. The mean of the sampling distribution will be equal to the population mean, which is 2.5 inches. The standard deviation of the sampling distribution can be calculated using the formula:
standard deviation = population standard deviation / square root of sample size
In this case, the population standard deviation is 0.4 inches, and the sample size is 100, so:
standard deviation = 0.4 / sqrt(100) = 0.04 inches
Now that we have the mean and standard deviation of the sampling distribution, we can use the z-score formula to find the probability of obtaining a sample mean of less than 2.4 inches:
z = (sample mean - population mean) / standard deviation
z = (2.4 - 2.5) / 0.04 = -2.5
Using a standard normal distribution table, we can find that the probability of obtaining a z-score of -2.5 or less is approximately 0.0062. This means that the probability of obtaining a sample mean of less than 2.4 inches is approximately 0.0062.
In other words, if we were to randomly select 100 fish from this population and calculate the average length, there is only a 0.62% chance that the average length would be less than 2.4 inches. Therefore, we can conclude that it is unlikely for the average length of 100 randomly selected fish to be less than 2.4 inches.
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20 points!!!! please help fast!!!!
Answer:
0 m/s
Step-by-step explanation:
The line is flat so there is no movement
Answer:
b
Step-by-step explanation:
on this graph a horizantal line means no speed because there is no change in distance
Solve for s s/4 + 15 = 14
Answer: s = -4
Step-by-step explanation:
s/4 + 15 = 14
We can subtract 15 from both sides:
s/4 = -1
We can multiply both sides by 4:
s = -4
Let x be an integer. Let P be the statement: x ≡5 (mod 6), and let Q be the statement:x ≡2 (mod 3).(a) Does P imply Q? Prove or provide a counterexample.(b) Does Q imply P ? Prove or provide a counterexample.
In conclusion:
(a) P implies Q.
(b) Q implies P.
(a) Does P imply Q? (Prove or counterexample)To determine whether P implies Q, we need to show that if x ≡ 5 (mod 6), then x ≡ 2 (mod 3).
If x ≡ 5 (mod 6), it means that x is congruent to 5 when divided by 6. We can express this as x = 6a + 5, where a is an integer.
To check if x ≡ 2 (mod 3), we need to determine whether x is congruent to 2 when divided by 3. We can express this as x = 3b + 2, where b is an integer.
Substituting x = 6a + 5 into the expression for Q, we get:
6a + 5 = 3b + 2
Rearranging the equation, we have:
6a - 3b = -3
Dividing both sides of the equation by 3, we obtain:
2a - b = -1
From this equation, we can see that for every value of a, there exists a value of b that satisfies the equation. Therefore, P does imply Q.
(b) Does Q imply P? (Prove or counterexample)To determine whether Q implies P, we need to show that if x ≡ 2 (mod 3), then x ≡ 5 (mod 6).
If x ≡ 2 (mod 3), it means that x is congruent to 2 when divided by 3. We can express this as x = 3c + 2, where c is an integer.
To check if x ≡ 5 (mod 6), we need to determine whether x is congruent to 5 when divided by 6. We can express this as x = 6d + 5, where d is an integer.
Substituting x = 3c + 2 into the expression for P, we get:
3c + 2 = 6d + 5
Rearranging the equation, we have:
3c - 6d = 3
Dividing both sides of the equation by 3, we obtain:
c - 2d = 1
From this equation, we can see that for every value of d, there exists a value of c that satisfies the equation. Therefore, Q does imply P.
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(a) P does not imply Q.
(b) Q implies P.
(a) To show that P does not imply Q, we need to find a counterexample where x satisfies P but not Q. Let x = 5, then x ≡ 5 (mod 6) but x ≡ 2 (mod 3) is not true since 5 ≡ 2 (mod 3) is false. Hence, P does not imply Q.
(b) To prove that Q implies P, we can use the Chinese Remainder Theorem. Since x ≡ 2 (mod 3), we know that x must be of the form x = 3k + 2 for some integer k. Substituting this into x ≡ 5 (mod 6), we get 3k + 2 ≡ 5 (mod 6), which simplifies to k ≡ 1 (mod 2).
Therefore, we can write k = 2m + 1 for some integer m. Substituting this back into x = 3k + 2, we get x = 6m + 5, which satisfies x ≡ 5 (mod 6). Hence, Q implies P.
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find the area of a regular pentagon with a side of 10cm and an apothem of 6.9cm
Round 1 637, 984 off to: c) the nearest tenth
Answer:
1,637.984
hope this helps
In a blind taste test, 25 people chose brand A, 15 people chose brand B, and 10 people chose
brand C. There are 200 more people to be surveyed. Based on the data, which is most likely.
to happen?
About 10 more people will choose brand B than brand C.
About 30 more people will choose brand C.
About 30 more people will choose brand A than brand B.
About 100 more people will choose brand A.
Answer: About 100 more people will choose brand A.
Step-by-step explanation:
Number of people who chose brand A = 25
Number of people who chose brand B = 15
Number of people who chose brand C = 10
Total number of people = 25+10+15 = 50
Since there are 200 people left, we'll equate them based on the data given and this will be:
For A = 25/50 × 200 = 100
For B = 15/50 × 200 = 60
For C = 10/50 × 200 = 40
Therefore, about 100 more people will choose brand A.
Answer:
About 100 more people will choose brand A
Step-by-step explanation:
i ready:)
Is -4.5 greater than -2.375?
On a unit circle, the terminal point of beta is square root of 2/2, square root of 2/2. What is beta
The angle β, given the terminal point(sqrt(2)/2, sqrt(2)/2) on a unit circle, is equal to π/4 radians or 45 degrees.
To determine the angle β given the terminal point on a unit circle, we can use the trigonometric functions sine and cosine.
The terminal point of β is (sqrt(2)/2, sqrt(2)/2). Let's denote the angle β as the angle formed between the positive x-axis and the line connecting the origin to the terminal point.
The x-coordinate of the terminal point is cos(β), and the y-coordinate is sin(β). Since the terminal point issqrt(2)/2, sqrt(2)/2). we have:
cos(β) = sqrt(2)/2
cos(β) = sqrt(2)/2
We can recognize that sqrt(2)/2 is the value of the cosine and sine functions at π/4 (45 degrees) on the unit circle. In other words, β is equal to π/4 radians or 45 degrees.
So, β = π/4 or β = 45 degrees.
In summary, the angle β, given the terminal point (sqrt(2)/2, sqrt(2)/2) on a unit circle, is equal to π/4 radians or 45 degrees.
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CD=48, MD=8x+4,x=
What is X i need help pls
In a line segment when CD is 48 and MD is 8x + 4 then the value of x 5.5.
In order to solve for x, we need to use the information given in the problem and set up an equation. From the problem, we know that CD = 48 and MD = 8x + 4. We also know that CD and MD are equal, since they are opposite sides of the same line segment. A line segment is a part of a line that has two endpoints. It has a length, but no width or thickness. It can be measured and compared to other line segments. Some properties of line segments include midpoint, endpoint, and distance. So we can set up an equation as follows:
CD = MD
48 = 8x + 4
Now we can solve for x:
48 - 4 = 8x
44 = 8x
x = 44/8
x = 5.5
Therefore, x is equal to 5.5.
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Please I need help here
Answer:
a
Step-by-step explanation:
How do you write a linear function from a data table?
The constant average rate of change is the slope of the line which can be used to write the linear function.
What is a Data Table ?
A table of data is linear if there is a constant average rate of change between all pairs of points.
Testing for Linearity
to test if a table of data is linear, calculate the average rate of change between each consecutive pair of pointsif the rate of change is constant, the data represents a linear functionif not, then it is not a linear functionFinding a Function from a Table that is Linear
the constant average rate of change found when determining that the table is linear is the slope of the line.use this slope and any one point from the table, write the equation using the point slope form, then solve for “y” to get the function equation.Learn more about linear functions at:
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What is the value of the expression 30 - 9+ 3 - (12 = 4)?
Answer:
21
Step-by-step explanation:
30 - 9 +3
30 - 12
18
18 - 12=4
12/4 = -3
18 - -3
21
the answer is 21
30 - 9 = 21
21 + 3 = 24
12 divided by 4 = 3
24 - 3 = 21
21 is the answer once again
can you guys please help me on this?