what is the slope or the line going through (0,0) (6,8) A: -6/8 B: -3/4 C: 3/4 D: 8/6
Answers
Answer:
D: 8/6
Step-by-step explanation:
Slope = y 2 - y 1
x2 - x1
= 8 - 0
6 - 0
=8
6
Answer: D. 8/6
Step-by-step explanation:
To solve this, we can use the slope formula, which is
\(\frac{y_2 - y_1}{x_2 - x_1}\) ← this is \(\frac{rise}{run}\)
Plugging in the values of the two points, we get:
\(\frac{8 - 0}{6 - 0} = \frac{8}{6} = \frac{4}{3}\)
In your case though, it is D. 8/6
Related Questions
168 divided by 12 array
Answers
168 divided by 12 is 14.
Explanation:14 <-- quotient
---
168
12
--
48
48
--
<-- remainder
What is Long Division?The mathematical procedure for splitting big numbers into more manageable groups or sections is known as long division. A difficulty can be solved by breaking it down into manageable parts. Dividends, divisors, quotients, and remainders all exist in long divisions. When solving an issue involving long division, the dividend—a high number—is divided by the divisor, a smaller number. The excess amount that cannot be divided yields the quotient, which is known as the residual. Long Division Calculator Multiplication, which is the opposite of division, addition, and subtraction are the other fundamental arithmetic operations. You can uncover common factors and simplify fractions using the arithmetic skill of long division.To learn more about Long Division refer to:
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severe difficulty in making mathematical calculations as a result of a brain disorder
Answers
Dyscalculia is a learning disorder that affects a person’s ability to do the math.
A learning problem called dyscalculia diminishes a person's capacity for math. Similar to how dyslexia impairs reading-related brain regions, dyscalculia interferes with the knowledge and skills connected to math and numbers. Although dyscalculia often first manifests in childhood, it can even affect adults who are unaware of it.
The signs of this condition typically emerge in childhood, particularly as kids start to master the fundamentals of math. However, many adults who suffer from dyscalculia are unaware of it. When forced to do the math, people with dyscalculia frequently experience mental health problems like anxiety, depression, and other distressing emotions.
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You work in Social Media as a consultant. You are working on a new report to examine trends in Social Media usage and age. You conducted a survey of 1072 people randomly selected in the United States (you limited minimum age to 12). The file "Usagef.xlsx" has results of the survey. For each Social Media platform you have a 0/1 variable indicating whether or not the person said they used the platform in the last 6 months. For each of those variables, 1 means the person did use the platform in the last 6 months and 0 means they did not. You also have the age of each respondent calculated based on birth date (so 43.56 means the individual is 43.56 years old). There are two additional variables:
Young adult: 1=respondent is under 35; 0=respondent is 35 or over.
Platforms Used: The total number of Social Media platforms used in the last 6 months.
Please use this information and the data in the excel spreadsheet "Usagef.xlsx" to answer the following questions:
Assuming the sample is a random sample of the U.S. population, what is the upper bound of the 95% confidence interval for the average age in the U.S?
Answers
The upper bound of the 95% confidence interval for the average age in the U.S. is 48.29 years.
To determine the upper bound of the 95% confidence interval for the average age in the U.S., we can use the sample data from the survey. The sample size is 1072 people, randomly selected from the U.S. population, with a minimum age of 12. By calculating the average age of the respondents, we can estimate the average age of the entire U.S. population.
Using the given information that the average age of the respondents is 43.56 years, and assuming that the sample is representative of the population, we can calculate the standard error. The standard error measures the variability of the sample mean and indicates how much the sample mean might deviate from the population mean.
Using statistical methods, we can calculate the standard error and construct a confidence interval around the sample mean. The upper bound of the 95% confidence interval represents the highest plausible value for the population average age based on the sample data.
Therefore, based on the provided information and calculations, the upper bound of the 95% confidence interval for the average age in the U.S. is 48.29 years.
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A researcher is studying the effect of a stress-reduction program on people's levels of cortisol (a stress hormone). She tests the cortisol levels of 50 people before starting the program, and then tests the participants' cortisol levels again after completing the program. She wants to test the claim that the stress-reduction program reduces cortisol levels. Which of the following describes the researcher's null and alternative hypotheses? a. null hypothesis: μ2 - μ1 = 0; alternative hypothesis: μ2 - μ1 <0 b. null hypothesis: μ2 - μ1 <0; alternative hypothesis: μ2 - μ1 > 0 c. null hypothesis: μD = 0; alternative hypothesis: μD <0 d. null hypothesis: μD <0; alternative hypothesis: μD = 0
Answers
Null hypothesis: μD = 0; alternative hypothesis: μD < 0 is the correct statement describes the researcher's null and alternative hypotheses. The correct answer is c.
In this scenario, the researcher is comparing the cortisol levels before and after the stress-reduction program for the same individuals. The null hypothesis (H0) states that there is no difference in the mean cortisol levels before and after the program, which is represented by μD = 0. The alternative hypothesis (Ha) suggests that the stress-reduction program reduces cortisol levels, indicating a decrease in the mean cortisol levels after the program, represented by μD < 0.
It is important to note that the symbol "μD" represents the population mean difference in cortisol levels before and after the program. The correct answer is c.
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Altham (1978) introduced the discrete distribution f(x;7, 0) = c(7,0) (%) **(1 – 11)-xgxn-x), *= 0,1..., n, = where cart, 0) is a normalizing constant. Show that this is in the two-parameter exponential family and that the binomial occurs when 0 = 1. (Altham noted that overdispersion occurs when 0 < 1. Lindsey and Altham (1998) used this as the basis of an alternative model to the beta-binomial.)
Answers
The distribution f(x; 7, 0) is in the two-parameter exponential family, and the binomial distribution arises when θ = 1.
To show that the discrete distribution function f(x; 7, 0) is in the two-parameter exponential family, we need to express it in the form:
f(x; 7, 0) = h(x, 7, 0) * exp{ θT(x) - A(θ) },
where:
h(x, 7, 0) is the base measure,
θ is the natural parameter,
θT(x) is the sufficient statistic,
A(θ) is the log partition function.
Let's start by expressing f(x; 7, 0) in terms of its parameters:
f(x; 7, 0) = c(7, 0) * (7C0)^(1-θ) * (θ^x) * ((1-θ)^(n-x))
We can rewrite this as:
f(x; 7, 0) = [c(7, 0) * (7C0)^(1-θ)] * [θ^x * (1-θ)^(n-x)]
Comparing this with the form of the exponential family, we can identify:
h(x, 7, 0) = 1 (since there is no multiplicative factor dependent on x)
θ = θ (the natural parameter)
θT(x) = x (the sufficient statistic)
A(θ) = -log[c(7, 0) * (7C0)^(1-θ)] (the log partition function)
Now, let's consider the case when θ = 1. When θ = 1, the distribution function becomes:
f(x; 7, 0) = c(7, 0) * (7C0)^0 * (1^x) * (0^(n-x))
Simplifying this, we have:
f(x; 7, 0) = c(7, 0) * 1 * 1 * 0^(n-x) = c(7, 0) * 0^(n-x) = c(7, 0) * 0
In the case where θ = 1, the probability mass function collapses to a constant value (0 in this case), indicating that the binomial distribution occurs.
Hence, when θ = 1, we have:
f(x; 7, 0) = c(7, 0) * 0
This demonstrates that the binomial distribution is a special case of the discrete distribution f(x; 7, 0) when θ = 1.
Overall, the distribution f(x; 7, 0) is in the two-parameter exponential family, and the binomial distribution arises when θ = 1.
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7x+10 on a graph
Linear function.
Answers
Answer:
plot the point (0,10), and then from that point, plot the point that it 7 points up and 1 point to the right, plot that, and repeat
Step-by-step explanation:
Answer:
I graphed the line for you
Step-by-step explanation:
Help I do not understand this
Answers
Answer:
sin(30)° = \(\frac{10}{x}\)
Step-by-step explanation:
By applying sine rule in the given triangle,
sin(30)° = \(\frac{\text{Opposite side}}{\text{Hypotenuse}}\)
sin(30)° = \(\frac{10}{x}\)
\(\frac{1}{2}= \frac{10}{x}\)
x = 2 × 10
x = 20
Therefore, answer will be sin(30)° = \(\frac{10}{x}\).
A company's stock was selling at $28 a share. A month later, it was selling at $21 a share. What is the percent loss?
Answers
Explanation:
It lost 28-21 = 7 dollars. Divide this loss over the original price
7/28 = 0.25 = 25%
This shows that we have a 25% decrease
From a hot-air balloon, Justin measures a 34 ∘ angle of depression to a landmark that’s 1424 feet away, measuring horizontally. What’s the balloon’s vertical distance above the ground? Round your answer to the nearest hundredth of a foot if necessary.
Answers
Answer:
923.93 feet
Step-by-step explanation:
To find the vertical distance above the ground, we can use the tangent function, which relates the angle of depression to the ratio of the vertical distance to the horizontal distance.
Given:
Angle of depression = 34 degrees
Horizontal distance = 1424 feet
Let's denote the vertical distance as "d" (in feet).
Using the tangent function:
tan(angle) = vertical distance / horizontal distance
tan(34°) = d / 1424
To find "d," we can rearrange the equation:
d = tan(34°) * 1424
Calculating the value:
d ≈ 0.6494 * 1424
d ≈ 923.93
Therefore, the balloon's vertical distance above the ground is approximately 923.93 feet.
a circular running track is 1/4 mile long. Elena runs on this track completing each lap in 1/20 hour what is Elena running speed including unit of measirement
Answers
Answer: 5
Step-by-step explanation:
-38=-2(n+6)+6(3n+1) Can you please solve marking branlest show work
Answers
Answer:
n = -2
Step-by-step explanation:
-38 = -2n -12 +18n +6
-38 =16n -6
-38 +6 =16n
-32= 16n
n=-2
A professional organizer charges an AED 10 consultation fee, plus AED 5 per hour. Her competitor charges an AED 11 consultation fee, plus AED 4 per hour.
Write and solve a system of equations to find the number of hours that the total charge will be the same. What will that charge be?
Enter the correct answer into the blank.
heeelp me
Answers
Answer: Let's let x be the number of hours worked. Then, the total charge for the first organizer is:
10 + 5x
The total charge for the second organizer is:
11 + 4x
To find the number of hours where the total charges are the same, we can set these two expressions equal to each other:
10 + 5x = 11 + 4x
Subtracting 4x from both sides gives:
10 + x = 11
Subtracting 10 from both sides gives:
x = 1
So the number of hours where the total charges are the same is 1 hour. To find the charge at that time, we can substitute x = 1 into either expression. Let's use the first organizer's expression:
10 + 5x = 10 + 5(1) = 15
So the charge at 1 hour is AED 15.
Step-by-step explanation:
i am stuck on this question and i’m not sure how to graph it
Answers
Given the function:
\(f\left(t\right)=e^{0.4t}\)For t = -4,
\(f\left(t\right)=e^{0.4(-4)}=e^{-1.6}=0.2\)For t = -2,
\(f(t)=e^{0.4(-2)}=e^{-0.8}=0.4\)For t = 0,
\(f(t)=e^{0.4(0)}=e^0=1\)For t = 2;
\(f(t)=e^{0.4(2)}=e^{0.8}=2.2\)For t = 4,
\(f(t)=e^{0.4(4)}=e^{1.6}=5\)Then we graph the points
(-4,0.2) (-2, 0.4) (0,1) (2, 2.2) and (4,5)
and we get the graph:
the surface of a cube is 13 1/2 cm squared. how long is one side of the cube
Answers
A cube has 6 sides. Divide the surface area by 6 to get the area of one side:
13 1/2 /6 = 2 1/4
The area of one side is S^2
To fins the length of the sides find the square root of the area:
Side = sqrt(2 1/4)
Side = 1 1/2 cm.
Do u know this? Answer if u do
Answers
Answer:
Hi
Step-by-step explanation:
The expression was reduced to it's lowest expression or term or we say we found the common factor amongst them
Cooper obtains an experimental functions of the stream function and the velocity potential for a particular flow type which are given by ψ=2xy and φ=x
2
−y
2
. Show that the conditions for continuity and irrotational flow are satisfied.
Answers
The given functions ψ = 2xy and φ = x^2 - y^2 satisfy the conditions for continuity and irrotational flow.
To show continuity, we need to verify that the partial derivatives of ψ and φ with respect to x and y are equal. Let's calculate these partial derivatives:
∂ψ/∂x = 2y
∂ψ/∂y = 2x
∂φ/∂x = 2x
∂φ/∂y = -2y
From the above calculations, we can see that the partial derivatives of ψ and φ with respect to x and y are equal. Therefore, the condition for continuity, which requires the equality of partial derivatives, is satisfied.
To show irrotational flow, we need to verify that the curl of the velocity vector is zero. The velocity vector can be obtained from the stream function ψ and velocity potential φ as follows:
V = ∇φ x ∇ψ
Taking the curl of V:
∇ x V = ∇ x (∇φ x ∇ψ)
Using vector calculus identities and simplifying the expression, we find:
∇ x V = 0
Since the curl of the velocity vector is zero, the condition for irrotational flow is satisfied.
Therefore, based on the calculations and verifications, we can conclude that the given functions ψ = 2xy and φ = x^2 - y^2 satisfy the conditions for continuity and irrotational flow.
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need answers pls!!!!
Answers
7/9 is b
10/9 is c
Noah was doing some homework and answered the following questions:
5.5. -3/5=3.3
a) Do you agree with his answers? If you disagree, explain your reasoning.
Answers
Answer:
yes you are correct as 3/5 = 0.6 and 0.6*5.5 = 3.3
PLS HELP!! Which of the following describes MO? Select all that apply.
a. angle bisector
b. perpendicular bisector
c. median
d. altitude
Answers
Step-by-step explanation:
median because it's found in the middle of the triangle
Use at least 3 decimals in your calculations in this question. A group of economists would like to study the gender wage gap, In a random sample of 350 male workers, the mean hourhy wage was 14.2, and the standard deviation was 2.2. In an independent random sample of 250 female workers, the mean hocirly wage was 13.3, and the standard devlation Was 1.4. 1. The cconomists would like to test the null hypothesis that the mean hourly wage of male and female workers are the same, against the aiternative hypothesis that the mean wages are different. Use the reiection region approach to conduct the hypothesis test, at the 5% significance level. Be sure to include the sample statistic; its sampling distribution; and the reason why the sampling distritution is valid as part of your answer. 2. Calculate the 95% confidence interval for the difference between the popiation means that can be used to test the researchers nuill hypothesis (stated above) 3. Calculate the p-value. If the significance level had been 1% (instead of 58 ). What would the conclusion of the fipothesis test have bect?
Answers
Use at least 3 decimals in your calculations in this question. A group of economists would like to study the gender wage gap, In a random sample of 350 male workers, the mean hourhy wage was 14.2, and the standard deviation was 2.2. In an independent random sample of 250 female workers, the mean hocirly wage was 13.3, and the standard devlation Was 1.4. 1. The cconomists would like to test the null hypothesis that the mean hourly wage of male and female workers are the same, against the aiternative hypothesis that the mean wages are different. Use the reiection region approach to conduct the hypothesis test, at the 5% significance level. Be sure to include the sample statistic; its sampling distribution; and the reason why the sampling distritution is valid as part of your answer. 2. Calculate the 95% confidence interval for the difference between the popiation means that can be used to test the researchers nuill hypothesis (stated above) 3. Calculate the p-value. If the significance level had been 1% (instead of 58 ). What would the conclusion of the fipothesis test have bect?
Zymirah earns 5% commission on all sales at a jewelry store plus $10 an hour. Yesterday she sold $3,200 in merchandise and earned a total of $240. How many hours does she work?
Answers
Answer:
8 hours
Step-by-step explanation:
Given data
Commission= 5%
Sales= $3,200
Total earnings= $240
Let us find the amount in commission earned
=5/100*3,200
=0.05*3,200
=$160
Hence 240-160=$80
$80 is the amount earned yesterday
we are told that per hour is $10
Hence $80 will be earned for
=80/10
=8 hours
Which values of a and b make this system of equations have no solution? y=3x-2 y=ax+b
Answers
The values of a and b that make the system of equations have no solution are when a = 3 and b ≠ -2.
To determine when this system of equations has no solution, we will examine the properties of these two lines. A system of equations with no solution occurs when the lines are parallel and do not intersect.
Step 1: Identify the slopes of the lines.
For the first equation, y = 3x - 2, the slope (m1) is 3.
For the second equation, y = ax + b, the slope (m2) is a.
Step 2: Determine the conditions for parallel lines.
Parallel lines have equal slopes, so m1 = m2. In this case, 3 = a.
Step 3: Check the y-intercepts.
For the first equation, the y-intercept is -2.
For the second equation, the y-intercept is b.
Step 4: Determine the conditions for non-intersecting lines.
Non-intersecting parallel lines have different y-intercepts. In this case, -2 ≠ b.
So, for the system of equations to have no solution, the values of a and b must be a = 3 and b ≠ -2.
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"4-16. How does the recent fervor surrounding personal privacy
affect direct marketing and promotions, specifically email
advertising and collecting information at events? You are designing
a campaign"
Answers
The recent fervor surrounding personal privacy has a significant impact on direct marketing and promotions, particularly in the context of email advertising and collecting information at events.
As you design a campaign, it is essential to consider and address these privacy concerns to build trust and ensure compliance with relevant regulations. Here are some key considerations:
Consent and Permission: Obtain explicit consent from individuals before sending them marketing emails or collecting their personal information at events.
Implement clear opt-in mechanisms and provide transparency regarding the purpose and use of their data.
Privacy Policies: Clearly communicate your privacy policies, outlining how you collect, store, and use personal information.
Make it easily accessible to individuals and ensure compliance with applicable data protection laws, such as the General Data Protection Regulation (GDPR) or the California Consumer Privacy Act (CCPA).
Data Security: Implement robust data security measures to protect the personal information you collect. This includes encryption, secure storage, and regular data audits to mitigate the risk of data breaches.
Data Minimization: Only collect the necessary information required for your marketing campaign. Minimize the data you collect to reduce privacy risks and ensure compliance with the principle of data minimization.
Opt-out Options: Provide individuals with clear and simple mechanisms to opt out of receiving marketing emails or having their data collected. Respect their preferences and promptly honor any opt-out requests.
Third-Party Data: Be cautious when using third-party data sources for your marketing campaigns. Ensure that the data providers have obtained proper consent and comply with privacy regulations.
Personalization and Relevance: Focus on delivering personalized and relevant content to individuals based on their preferences and interests. This can help build trust and engagement while respecting privacy boundaries.
By considering these factors and addressing personal privacy concerns, you can develop a campaign that respects individuals' privacy rights, builds trust, and maintains compliance with privacy regulations.
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Find the gradient of the line segment between the points (0,3) and (1,8).
Answers
difference in y= 5
5 divided by 1 = 5
gradient= 5
When the perimeter of a rectangle is 36 units and the width is 4 units less than the
length. What is the value of l?
Answers
Answer: C
Step-by-step explanation:
The diagram I made below shows that the rectangle has a perimeter of 36 units. The width has to be 4 units less than the length. In order for the for the perimeter to be 36 units, the length would have to be 11 units. 4 units less than the length would then be 7 for the width. When you add them up, 7+7+11+11=36. Therefore the answer (length) is 11.
11
7 l 36 l 7
l l
11
Length (L) =11
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What condition ensures that the bisection method will find a zero of a continuous nonlinear function f in the interval [a, b]? List one advantage and one disadvantage of the secant method compared with New- ton's method for solving a nonlinear equation in one variable. What is the basic difference between an explicit and an implict method for solving IVPs numerically? List at least one advantange for each type.
Answers
Answer:
I zont know i need points
Step-by-step explanation:
Yea im srry
a family consisting of three persons—a, b, and c—goes to a medical clinic that always has a doctor at each of stations 1, 2, and 3. during a certain week, each member of the family visits the clinic once and is assigned at random to a station. the experiment consists of recording the station number for each member. suppose that any incoming individual is equally likely to be assigned to any of the three stations irrespective of where other individuals have been assigned. what is the probability that
Answers
The probability that no two members of the family are assigned to the same station is 2/9.
From the information given, the probability that all three family members are assigned to the same station will be:
= 3 × (1/3) ³
= 1/9
Now, the probability that at most two family members are allocate to the same station will be:
= 1 - 1/9
= 8/9.
The total number of outcomes for the experiment is 3^3 = 27.
The number of outcomes in which no two members of the family are assigned to the same station is 3! = 6.
Therefore, the probability that no two members of the family are assigned to the same station is 6/27 = 2/9.
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Where can we put parentheses in 32 :4+3 x 4 to make it equivalent to 2?
Choose 1 answer:
А
(32 : 4) + (3 x 4)
B
32 = (4+3 x 4)
Answers
Brad swims 4 laps every 6min how long does it take him to swim 14 laps?
Answers
Ryan needs 3 and 1/4 cups of flour for the cookie recipe she is baking. She has already added 2 and 1/2 cups of flour. How much more flour does she need to add? Please help-
Answers
The quantity of more flour that she needs to add would be = 3/4
What is a fraction?A fraction is defined as the representation of the part of a whole data in a form of numerator and denominator.
The quantity of flour Ryan needs for baking = 3¼
The quantity of flour she has already added = 2½
The remaining amount that she needs to add;
= 3¼-2½
= 3/4
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