Answer:
7 quarters, 15 dimes. :)
Answer:
the answer become 5 dolars
Solve the inequality
V/3+12>7
Answer:
V > -15
Step-by-step explanation:
\(\frac{V}{3} +12>7\\\\\frac{V}{3}>-5\\\\V>-15\)
Answer:
V > -15
Step-by-step explanation:
V/3 + 12 > 7
V/3 > -5
V > -15
Question 10 (Essay Worth 10 points)(04.05, 04.06 MC)Michael has $15 and wants to buy a combination of school lunches to feed at least three classmates. A sandwich costs $2, and hot lunch costs $3.This system of inequalities models the scenario:2x + 3y ≤ 15x + y ≥ 3Part A: Describe the graph of the system of inequalities, including shading and the types of lines graphed. Provide a description of the solution set. (4 points)Part B: Is the point (5, 1) included in the solution area for the system? Justify your answer mathematically. (3 points)Part C: Choose a point in the solution set and interpret what it means in terms of the real-world context. (3 points)
Part A: You have the followinf system of inequalities:
\(\begin{gathered} 2x+3y\le15 \\ x+y\ge3 \end{gathered}\)In order to determine the solution of the previous system, solve the previous inequalities for y:
\(\begin{gathered} y\leq-\frac{2}{3}x+\frac{15}{3}\Rightarrow y\leq-\frac{2}{3}x+5 \\ y\ge-x+3 \end{gathered}\)Now, take the previous inequalities as equations and graph the lines with a solid line (it means that values on the line are included in the solution for each inequality, due to the symbol of the inequality is ≤ and ≥):
The solid red line is the line for the first inequality. Due to in this inequality you have the symbol ≤, the valid solutions are all values below the line. The red shaded region has all solutions for this inequality.
The blue solid line represents the second inequality. Again, due to this inequality has the symbol ≥, it means that the valid solutions are all values above the line. The blue shaded region represent allsolutions of the second inequality.
The solution to the system is given by the region at which the red region and blue region overlap between them. As you can notice, the regions start to overlap at point (-6,9).
Part B: The point (5,1) is in the region of the overlapping of the blue and red region. It means that point (5,1) is a solution of the system.
Part C: you can select any point of the solution region. For instance, the point (3,1). This solution means that with the money Michael has, He is able to buy 3 sandwichs and 1 hot lunch.
Polygon v has an area of 1 square unit. Jun-seo drew a scaled version of polygon v using a scale factor of 7 and labeled it polygon w
Answer:
The area of Polygon
W
WW is
49
4949 square units.
Step-by-step explanation: dk
Scale factors are used to enlarge or reduce the size of a shape
The area of polygon w is 49 square units
The area of polygon v is given as:
\(v =1\)
The scale factor of the sides of polygon v, that forms polygon w is given as:
\(k=7\)
The area of polygon w is then calculated as:
\(w =v\times k^2\)
So, we have:
\(w =1\times 7^2\)
Evaluate the exponents
\(w =1\times 49\)
Multiply 1 and 49
\(w =49\)
Hence, the area of polygon w is 49 square units
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Debbie has at most $60 to spend on clothes. She wants to buy a pair of jeans for $22 and the rest on t-shirts. Write an inequality that represents the relationship between the amount of money Debbie has and how much she can spend on t-shirts.
Answer:
22+8x less then or equal to 60
Step-by-step explanation:
Debbie has at most $60 to spend
Then it will be <=60
Now she has to spend 22 dollars on jeans so 22 will be add to the initial amount for sure.
And
Let x be the number of t-shirts
Then the cost of x t-shirts will be 8x
Putting this in to inequality will be:
The inequality to find the maximum number of t-shirts is:
With regard to tests of statistical significance, which statement is the most accurate?
a. Statistical significance indicates practical significance in all cases.
b. If a finding is found to be statistically significant, there is no way that the outcome was due to random chance.
c. A measure that is statistically significant is, by definition, also reliable and valid.
d. Such tests cannot tell us if a finding is or is not due to chance, but can only speak to the likelihood that chance was involved in the outcome.
The most accurate statement with regard to tests of statistical significance is (D) Such tests cannot tell us if a finding is or is not due to chance, but can only speak to the likelihood that chance was involved in the outcome.
Option d is the most accurate statement regarding tests of statistical significance. Statistical significance does not determine whether a finding is due to chance or not with absolute certainty. It provides an assessment of the likelihood that chance played a role in the observed outcome.
Statistical significance is based on probability and hypothesis testing. By conducting a statistical test, researchers can determine whether the observed results are unlikely to have occurred by chance alone, given a certain level of significance (often denoted as alpha, e.g., 0.05). If the p-value (probability value) associated with the test falls below the chosen alpha level, the finding is considered statistically significant. However, this does not imply that the finding is practically or substantively significant.
Option a is incorrect because statistical significance does not automatically indicate practical significance. Practical significance refers to the meaningful or real-world importance of the finding, which goes beyond statistical calculations.
Option b is also incorrect because statistical significance does not completely rule out the possibility of random chance. It provides evidence against the null hypothesis, but there is always a small probability of a Type I error (incorrectly rejecting the null hypothesis).
Option c is incorrect because statistical significance does not guarantee reliability or validity. Reliability refers to the consistency and stability of measurements, while validity refers to the accuracy and appropriateness of the measurements in relation to the intended construct. These aspects are separate from statistical significance and require separate assessments
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Determine whether the equation 12y+6=6(2y+1) has one solution, no solution, or infinitely many solutions. If it does have a solution, what is it?
Answer: Infinitely many solutions
use distributive property
-9(-m+4)
Answer: -9m+-36
Step-by-step explanation:
Answer:
9m-36
Step-by-step explanation:
-9times -m = 9m
-9 times 4 = -36
9m-36
What is the probability of a magnitude 7.0-7.9 earthquake in the Los Angles area in the next 30 years if the recurrece interval of such an earthquake is 95 years
The probability of a magnitude 7.0-7.9 earthquake occurring in the Los Angeles area in the next 30 years is approximately 0.283, or about 28.3%.
To estimate the probability of a magnitude 7.0-7.9 earthquake in the Los Angeles area in the next 30 years, given a recurrence interval of 95 years, we can use the Poisson distribution. The Poisson distribution is often used to model the occurrence of rare events, such as earthquakes.
Let λ be the average number of earthquakes of magnitude 7.0-7.9 that occur in the Los Angeles area per unit time, which is given by:
λ = 30 years / 95 years = 0.3158 earthquakes per year
Now, let X be the number of earthquakes of magnitude 7.0-7.9 that occur in the Los Angeles area in the next 30 years. X follows a Poisson distribution with mean λ, which can be expressed as:
P(X = k) = (e^(-λ) * λ^k) / k!
where e is the base of the natural logarithm, and k is the number of earthquakes.
To find the probability of at least one earthquake occurring in the next 30 years, we can sum the probabilities of X = 1, 2, 3, ... up to infinity:
P(X ≥ 1) = 1 - P(X = 0) = 1 - e^(-λ) = 1 - e^(-0.3158) ≈ 0.283
Therefore, the probability of earthquake in next 30 years is approximately 0.283, or about 28.3%.
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The matrix below represents the distance in miles between three cities. A row label represents the city traveled from. A column label represents a city traveled to. What is the round trip distance in miles from city 1 to city 3? 15 30 50 70
The round trip distance in miles from city 1 to city 3 can be determined by finding the value in the matrix corresponding to the row labeled city 1 and the column labeled city 3.
Based on the information provided, we can assume that the matrix is organized such that the rows represent the cities traveled from (in this case, city 1) and the columns represent the cities traveled to (in this case, city 3).
The values in the matrix represent the distances in miles between the cities. By locating the intersection of the row labeled city 1 and the column labeled city 3, we can find the round trip distance between the two cities, which is the value in the matrix corresponding to this intersection.
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what is the volume of a 6 by 8 cone?
Answer:
301.7 cm
Step-by-step explanation:
Given,
Height of cone (h)=8cm
base radius (r)=6cm
Volume of the cone (V)=
3
1
πr
2
h
=
3
1
×
7
22
×6×6×8
=
7
2112
=301.7cm
3
Hence, volume of the cone =301.7cm
3
Answer:
402.1402.1 cm
Step-by-step explanation
height = 6cm
Radius= 8cm
Next score the six tests (1 to 7) below from Exhibit 4.6 to your recommendation in
Q1. Write 5 to 9 lines to justify your score of each of the six tests. See an example on page 131. You need to write in six bullet points of 75 to 150 words for each test. (60 points with 10 points for each test) )
Publicity Test Score and reason
The Moral Mentor Test and reason
The Admired Observer Test and reason
The Transparency Test and reason
The Person in the Mirror Test
The Golden Rule Test
The Golden Rule Test suggests that the decision embodies the principles of empathy and fairness, treating others as one would want to be treated. The Publicity Test indicates that the decision has been well received and is aligned with public expectations.
- The Publicity Test is designed to assess whether the decision or action can withstand public scrutiny and be disclosed openly.
- I score this test an 8 because the decision or action in question has already been made public and received positive feedback from various stakeholders.
- The organization has been transparent in its communication, engaging with the public and addressing concerns promptly.
- The decision aligns with the organization's values and mission, which resonates positively with the public.
- The organization has effectively managed any potential negative publicity by proactively addressing criticisms and providing clear justifications for the decision.
- Overall, the Publicity Test indicates that the decision has been well received and is aligned with public expectations.
The Moral Mentor Test Score: 6
- The Moral Mentor Test evaluates the decision or action by considering whether it reflects the guidance of a wise and ethical mentor.
- I score this test a 6 because while the decision is generally ethical, there are some potential ethical dilemmas that need to be carefully addressed.
- The decision has considered the welfare of various stakeholders and adheres to legal and regulatory frameworks.
- However, there might be some moral complexities associated with certain aspects of the decision that need further evaluation.
- It is important for the organization to seek guidance from ethical experts and consider potential long-term consequences to ensure the decision aligns with the principles of a moral mentor.
- Overall, the Moral Mentor Test suggests that the decision is on the right track but requires careful ethical analysis and considerations.
The Admired Observer Test Score: 9
- The Admired Observer Test assesses whether the decision or action would be approved by an admired and objective observer.
- I score this test a 9 because the decision demonstrates a high level of integrity and is likely to be approved by an objective observer.
- The decision is aligned with industry best practices and follows ethical guidelines.
- It takes into account the interests of various stakeholders and aims to maximize positive outcomes for all parties involved.
- The decision is well-reasoned, considering both short-term and long-term implications.
- Overall, the Admired Observer Test indicates that the decision is commendable and likely to be seen as fair and ethical by an objective observer.
The Transparency Test Score: 7
- The Transparency Test evaluates whether the decision-making process is transparent and accountable.
- I score this test a 7 because while the decision-making process has been relatively transparent, there is room for improvement.
- The organization has provided some level of information and rationale behind the decision, but there may be areas where more transparency is required.
- It is essential for the organization to proactively communicate the decision, its underlying factors, and potential impacts to ensure stakeholders have a clear understanding.
- Increasing transparency can help build trust and mitigate any potential misunderstandings or mistrust.
- The Person in the Mirror Test assesses whether the decision or action aligns with the individual's values and principles.
- I score this test an 8 because the decision demonstrates alignment with the individual's values and principles.
- The decision-maker has considered the ethical implications and personal integrity while making the decision.
- The decision reflects a commitment to fairness, honesty, and accountability.
I score this test a 9 because the decision demonstrates a high level of empathy and fairness towards others.
- The decision considers the interests and well-being of various stakeholders, treating them with respect and dignity.
- It reflects a commitment to fairness, equality, and reciprocity in relationships.
- The organization has taken steps to ensure that the decision does not cause harm or disproportionately benefit any specific group.
- Overall, the Golden Rule Test suggests that the decision embodies the principles of empathy and fairness, treating others as one would want to be treated.
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(HCASE
Dashboard
Cheyenne has $12.00 saved for after-school snacks. Each week Cheyenne spends $3.00 on snacks. Ahmed spends $0.50 each week on snacks and
originally had $7.00 saved.
Answer:Mathematics is the science that deals with the logic of shape, quantity and arrangement. Math is all around us, in everything we do. ... The needs of math arose based on the wants of society. The more complex a society, the more complex the mathematical needs.
Step-by-step explanation:
Answer:
Cheyenne can only buy 4 snacks for 1 week, and Ahmed can buy 14 snacks for 1 week
Step-by-step explanation:
12/3 =4
7/0.50=14
Hope this helped! if not Please tell me! :)
URGENT 50 PTS
In ALMO, Point C is the intersection of the blue and green segments. If CM = 11, QM = 5, PL = 6, RM = 10, CO =9.8, and LC = 2x + 5, solve for X
Find the lowest common denominator (multiple). Type the equivalent fractions. Then, add or subtract. Simplify your answer. 1
2
1
3
Answer:what
Step-by-step explanation:what does this mean
if 500(.85)^x = 30(1.15)^x what is X
Answer:
x = log 17frac 23 (3)
(50)
Step-by-step explanation:
500 x 0.85 x at the top =30x1.15 x at the top again.
Which statement about these triangles is true?
The coordinates of then vertical of parallelograms WXYZ are W(-2,3) , X(-1,0) , Y(5,2) and Z (4,5) the slope of
I’ll give brainliest
Answer:
The slope of WX and WY
Step-by-step explanation:
For us to have a rectangle, the angles at the edges equal 90
What this mean is that the width and the length are at 90 degrees
Hence, we can say that they are perpendicular to one another
Thus, we can calculate the slopes of both to drive home our point
Hence, by calculating the slopes of WX and WY, We can proof that we have a rectangle
−x+7=-4x-20
solve for x plz
- x + 4x = -20-7
3x = -21
x = -7
good day
unit 10 circles homework 9 standard form of a circle all things algebra
1In unit 10 circles homework 9 standard form of a circle in all things' algebra, the center is (0,-2) and radius is 8 units.
What is the equation of circle?The equation of the circle is the equation which is used to represent the circle in the algebraic equation form, with the value of center point in the coordinate plane and measure of radius.
The standard form of the equation of the circle can be given as,
\((x-h)^2+(y-k)^2=r^2\)
Here (h,k) is the center of the circle and (r) is the radius of the circle.
For the first problem,
\(x^2+(y+2)^2=64\)
Rewrite the equation to make it the equation of circle as,
\((x-0)^2+(y-(-2))^2=8^2\)
Compare it with equation of circle, we get center at (0,-2) and radius of 8 units. Similarly, the center and radius for each of the equation can be found out.
Thus, in unit 10 circles homework 9 standard form of a circle in all things' algebra, the center is (0,-2) and radius is 8 units.
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150 is 200% of what number?
Find the geometric mean of 10 and 16
Answer:
First, we multiply them: 10 × 51.2 × 8 = 4096 Then (as there are three numbers) take the cube root: 3 √4096 = 16 In one line: Geometric Mean = 3√ (10 × 51.2 × 8) = 16
Step-by-step explanation:
Answer:
The geometric mean of 6 and 10 is = 7.746 .
Step-by-step explanation:
given a population standard deviation of 6.8, what sample size is required to be 90onfident that the estimated mean has an error less than 0.02?
The formula for calculating the required sample size to estimate the population mean with a 90% confidence level is given by:
n = ((z_(α/2)×σ) / E)²Here, z_(α/2) is the z-value for the given level of confidence (90% in this case), σ is the population standard deviation (6.8 in this case), and E is the maximum error we can tolerate (0.02 in this case).
Substituting the given values in the formula, we get:
n = ((z_(α/2)×σ) / E)²n = ((1.645×6.8) / 0.02)²n = 1910.96
Rounding up to the nearest whole number, we get the required sample size to be 1911.
Therefore, a sample size of 1911 is required to estimate the population mean with a 90% confidence level and an error of less than 0.02.
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The number of questionnaires returned or completed divided by the number of eligible people who were asked to participate in the survey is called ____.
The number of questionnaires returned or completed divided by the number of eligible people who were asked to participate in the survey is called the response rate.
What is the response rate?The response rate represents the quotient of the division operation between the number of respondents and the total number of survey participants.
The response rate can also be referred to as the completion rate or the return rate.
Thus, the response rate can be expressed as a percentage, fraction, or decimal.
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Find the premiemter of the poly gon shown.pls help pls
Answer:
?
Step-by-step explanation:
Answer:
to find the perimeter of a polygon you just do "a regular polygon with n n sides and the length of one side s s: P = n × s P = n × s "
Step-by-step explanation:
Events A and B are disjointed.
P(A) = 4/11; P(B) = 3/11 .
Finda P(A or B)
7/11
4/11
3/11
8/11
7/11 is the final answer.
use the formula for disjointed events: P(A or B) = P(A) + P(B)
=================================
P(A or B) = P(A) + P(B)
P(A or B) = 4/11 + 3/11
P(A or B) = 7/11
Please help me out A,B,C OR D?⚠️
Answer:
what r u tryna figure out
Answer:
B
Step-by-step explanation:
II stands for 2 in roman numerals
18/5 turns into 3 3/5
4.66666666666666 is just what it is
square root of 30 is in between 5 and 6 so yeah
If you were to roll a six sided die, 6 TIMES. How many times would you predict that it would land on a number GREATER than 4?
Answer:
2/6 times
Step-by-step explanation:
only side 5 and 6 are greater than four and with fair rolls you would expect the die to land on each side once. So 2/6 times you would expect a roll greater than 4.
Which of the following are properties of the linear correlation coefficient?
a. If r is close to 0, then little or no evidence of any relation between the explanatory or response variable exists.
b. The linear correlation coefficient is always between−1 and 1. That is,−1≤r≤1.
c.The correlation coefficient is resistant.
d. A linear correlation of −0.742 suggests a stronger negative association between two variables than a linear correlation of −0.472.
e. A linear correlation of 0.639 suggests a stronger linear relation between two variables than a linear correlation of −0.639.
f. If r=−1, then a perfect negative linear relation exists between the two variables.
Among the options given in the question, the following are the properties of the linear correlation coefficient:
The linear correlation coefficient is always between−1 and 1. That is,−1≤r≤1.
A linear correlation of −0.742 suggests a stronger negative association between two variables than a linear correlation of −0.472.
If r=−1, then a perfect negative linear relation exists between the two variables.
Properties of linear correlation coefficient:
Linear correlation coefficient is a value calculated from given data and used to measure the strength of linear relationship between two variables, for instant between x and y variables.
The sign of this coefficient (r) indicates the direction linear relationship will take between x and y. Below are some properties of the linear correlation coefficient:
The value of r lies between -1 and 1 inclusiveThe sign of r indicates the direction of the linear relationship between x and yThe size of r indicates the strength of the linear relationship between x and yNow, the properties of the linear correlation coefficient among the given ones in the question are:
b. The linear correlation coefficient is always between−1 and 1. That is,−1≤r≤1.
d. A linear correlation of −0.742 suggests a stronger negative association between two variables than a linear correlation of −0.472.
f. If r=−1, then a perfect negative linear relation exists between the two variables.
Hence, options b, d and f are correct.
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38. You earn $130.00 for each subscription of magazines you sell plus a salary of $90.00 per week. How many subscriptions of magazines do you need to sell in order to make at least $1000.00 each week?
Find the first quartile (Q1) of the data set below.
{99, 88, 88, 91, 92, 100}
89.5
0 95.5
O 88
0.99