The required slopes of the line are as follows,
(a) y = 12, the slope is m = 0,
(b) x = -13, the slope is not defined.
(c) -6y = -2x + 30, the slope is positive, m = 1 / 3.
(d) 3x + 5y =15, the slope is negative, m= -3/5.
The slope of the line is a tangent angle made by line with horizontal. i.e. m =tanx where x in degrees.
here,
(a)
y = 12
Comparing the above expression with the standard equation of line y = mx + c,
From comparison,
mx = 0
m = 0
(b)
x = -13,
x + 13 = 0
Comparing the above expression with the standard equation of line y = mx + c,
From comparison,
mx = 1 / 0 (because the equation does not contain the term y)
m = not defined.
Similarly,
(c) -6y = -2x + 30, the slope is positive, m = 1 / 3.
(d) 3x + 5y =15, the slope is negative, m= -3/5.
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Jean has 11 trees in her yard and Anita has 8. Write the ratio of trees in Anita's yard to trees in Jean's yard
Answer:
The ratio is 11:8
Step-by-step explanation:
There's 11 trees in Jeans yard hence the first number of the ratio (11)
While Anita has 8, hence the second number in the ratio (8)
Therefore the ration of Jean's trees to Anita's is 11:8
(1 point) consider the initial value problem y′′ 4y=0,
The given initial value problem is y′′-4y=0. The solution to the initial value problem is y(t)=(3/2)*e^(2t)-(1/2)*e^(-2t).
This is a second-order homogeneous linear differential equation with constant coefficients. The characteristic equation is r^2-4=0, which has roots r=±2. Therefore, the general solution is y(t)=c1e^(2t)+c2e^(-2t), where c1 and c2 are constants determined by the initial conditions.
To find c1 and c2, we need to use the initial conditions. Let's say that y(0)=1 and y'(0)=2. Then, we have:
y(0)=c1+c2=1
y'(0)=2c1-2c2=2
Solving these equations simultaneously gives us c1=3/2 and c2=-1/2. Therefore, the solution to the initial value problem is y(t)=(3/2)*e^(2t)-(1/2)*e^(-2t).
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Write a converation between two tudent. Have them greet each other, ak each other how they are doing, ak and tell what time Spanih cla i, ak and tell what time it i, and ay goodbye
The speaking turn, the adjacency pair, and the sequential implicativeness are the three fundamental components of conversation that conversation analysts identify.
What is meant by conversation ?The three essential elements of conversation that conversation analysts identify are the speaking turn, the adjacency pair, and the sequential implicativeness.
Mary: Hello! Mary is my name.
Andrew: Hey Mary I'm Andrew, and how are you? Nice to meet you.
Mary: Thank you; I just arrived from Memphis; I'm OK. , From where do you hail?
Andrew: You are a Memphis native? I'm a Cleveland native; is this also your first day of classes?
Mary: Indeed! I recently met someone from Cleveland at the front desk, and I'm a freshman.
Andrew: Really...? I don't know many Clevelanders who come here.
Clarissa is there, Mary, there she is! Let me introduce you to my pal, please come over!
Clarissa was undoubtedly a student of mine in high school, Andrew
Oh, Clarissa Hello Andrew Hey Mary Are you prepared for the semester to begin?
Mary: Obviously!
Andrew: I can't even find my dorm room, so not really.
The complete question is:
Write a conversation between two students who are meeting for the first time. Have them greet each other, ask each other how they are doing, ask each other where they are from, introduce a third person and say goodbye.
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It is not -0.7w+11
Plsssssssss anyone will pick brainliest
Answer:
2.3w - 7 + 8.1 - 3w = -3w + 2.3w + 8.1 - 7
= -0.7w + 1.1
This is the result of performing the operations in the given order: subtracting 7 from 8.1, subtracting 3w from 2.3w, and adding the results. The expression simplifies to -0.7w + 1.1
Step-by-step explanation:
Answer:
5.3w + 1.1
Step-by-step explanation:
Combine like terms
2.3w - (- 3w) = 5.3w
- 7 + 8.1 = 1.1
Answer
5.3w + 1.1
assist with this please
Answer:
iisbshdhdhhdhdhdhdhhdhdhhhdhhehehehhe
Answer:
The second line
Step-by-step explanation:
The answer to this equation is about 1.1, so the best line would be the second one
Write a fraction for which the sum of the numerator and denominator is 44, and the value of the fraction is 5/6.
Answer: \(\frac{20}{24}\)
Multiply each sides of the fraction (numerator/denominator) by 4.
5 x 4 = 20, 6 x 4 = 24
Make a fraction out of 20 and 24.
20/24 = \(\frac{20}{24}\)
Make sure the fraction is correct, by adding.
20 + 24 = 44
Answer = 44
Low-fat or low-carb? Are low-fat diets or low-carb diets more effective for
weight loss? A sample of 77 subjects went on a low-carbohydrate diet for six
months. At the end of that time, the sample mean weight loss was 4. 7 kilograms
with a sample standard deviation of 7. 16 kilograms. A second sample of 79
subjects went on a low-fat diet. Their sample mean weight loss was 2. 6 kilograms
with a standard deviation of 5. 90 kilograms. Can you conclude that the mean
weight loss differs between the two diets? Use α = 0. 1.
a) State the hypotheses.
b) Compute the test statistic, t.
c) How many degrees of freedom are there (simple method)?
d) Do you reject H0? Give a concluding statement
a) The hypotheses for this test are as follows: Null hypothesis (H0): The mean weight loss is the same for low-carbohydrate and low-fat diets. Alternative hypothesis (Ha): The mean weight loss differs between low-carbohydrate and low-fat diets.
b) The test statistic, t is 1.0968.
c) There are 76 degrees of freedom.
d) Since the calculated t-value (1.0968) is smaller than the critical t-value (1.292), we fail to reject the null hypothesis.
b) To compute the test statistic, t, we can use the formula:
t = (x1 - x2) / √((s1²/n1) + (s2²/n2))
Where:
x1 = sample mean weight loss for the low-carbohydrate diet (4.7 kg)
x2 = sample mean weight loss for the low-fat diet (2.6 kg)
s1 = sample standard deviation for the low-carbohydrate diet (7.16 kg)
s2 = sample standard deviation for the low-fat diet (5.90 kg)
n1 = sample size for the low-carbohydrate diet (77)
n2 = sample size for the low-fat diet (79)
Plugging in the values, we get:
t = (4.7 - 2.6) / √((7.16²/77) + (5.90²/79))
t = 1.1 / √(0.5823 + 0.4248)
t = 1.1 / √1.0071
t ≈ 1.1 / 1.0035
t ≈ 1.0968
c) The degrees of freedom can be calculated using the simple method, which is the smaller sample size minus 1:
df = min(n1, n2) - 1
df = 77 - 1
df = 76
d) To determine whether to reject the null hypothesis or not, we compare the calculated t-value to the critical t-value at α = 0.1 (90% confidence level) with the given degrees of freedom. Consulting a t-distribution table or using statistical software, the critical t-value for α = 0.1 and df = 76 is approximately 1.292.
This means that there is not enough evidence to conclude that the mean weight loss differs significantly between the low-carbohydrate and low-fat diets based on this sample data.
Based on the sample data and a significance level of α = 0.1, there is insufficient evidence to conclude that the mean weight loss differs between low-carbohydrate and low-fat diets. The study included a sample of 77 subjects on a low-carbohydrate diet and 79 subjects on a low-fat diet for six months.
The sample mean weight loss for the low-carbohydrate diet was 4.7 kilograms, with a sample standard deviation of 7.16 kilograms. The sample mean weight loss for the low-fat diet was 2.6 kilograms, with a standard deviation of 5.90 kilograms.
Using a t-test with the appropriate formulas, the calculated test statistic (t) was 1.0968. The degrees of freedom were determined to be 76. Comparing the calculated t-value to the critical t-value at α = 0.1, which was approximately 1.292, it was found that the calculated t-value was smaller.
Therefore, the null hypothesis that the mean weight loss is the same for both diets was not rejected.
In conclusion, based on the given sample data, there is no significant difference in mean weight loss between the low-carbohydrate and low-fat diets.
However, it's important to note that this conclusion is specific to the sample studied and may not necessarily generalize to the entire population. Further research with larger sample sizes and diverse populations is recommended to provide more robust conclusions.
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im confused! I need the answer ASAP!
Answer:
i) 180 degrees
ii) 59 dgerees
iii) 12 degrees
iv) a + b= 66 + 12 = 78 degrees
v) 180 - (78 + 59)
180 - 137
43 degrees
Step-by-step explanation:
The midterm score of 45 is the decide
The midterm score of 45 is the 3rd decile, meaning that 42% of the Senior High School students scored below this test.
What is a decile?Deciles are a type of percentile that divides data into groups of 10%. That is, each decile comprises 10% of the dataset.
To determine the decile, sort the data from lowest to highest. Now, divide the result by ten. This number reflects the no. of observed values within each decile.
Sorting the data from lowest to highest, we have:
37, 43, 45, 61, 63, 74, 75, 76, 82, 87, 89, 98, 99, 100= 14/10
= 1.4
Thus, each decile contains only a 1.4 score.
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In ∆ABC, the exterior angle adjacent to
The triangle with exterior angle x = 120° have the interior angles as: m∠A = 70, m∠B = 50, and m∠C = 60°
Exterior angle of triangles?The exterior angle of a triangle is equal to the sum of the two opposite interior angles.
interior opposite angles are 2x° and (x + 15)°
2x + x + 15 = 120
3x + 15 = 120
3x = 120 - 15 {subtract 15 from both sides}
3x = 105
x = 105/3 {divide through by 3}
x = 35
m∠A = 2(35) = 70
m∠B = 35 + 15 = 50
m∠C = 180° - 120° {sum of angles on a straight line}
m∠C = 60°
In conclusion, the triangle with exterior angle x = 120° have the interior angles as: m∠A = 70, m∠B = 50, and m∠C = 60°.
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Dakota has a piece of red ribbon that is 6.5 inches long and a piece of purple ribbon that is 2.16 inches long. How much longer is the red ribbon?
Answer:
No
Step-by-step explanation:
no
Please help me- please-
Round each addend to the nearest hundred and estimate the answer for 921 + 413 + 560.
Given
Round each addend to the nearest hundred and estimate
\(921=900\)\(413=400\)\(560=600\)Now
\(900+400_+600=1900\)4) Find the Domain and Range. Is it a function?5) Find the Domain and Range. Is it a function?{(-2, 1) (4, 3) (8,-1) (-3,-4) (5,2)}6) Find the Domain and Range (assume there are arrows at the end of both sides of theline). Find the x - and y- intercept. Find the equationfor the line. Is it a function?
Answer
Check Explanation
Explanation
4) The domain refers to the values of the independent variable (x), where the dependent variable [y or f(x)] or the function has a corresponding real value. The domain is simply the values of x for which the output also exists. It is the region around the x-axis that the graph spans.
From the graph of this relation presented, the domain of this spans from x = -2.5 upwards.
Domain is (x > -2.5)
The range refers to the region of values where the function can exist. It refers to the values that the dependent variable [y or f(x)] can take on. It is the region around the y-axis that the graph spans.
From the graph, we can see that the mouth of graph keeps expanding as the we move from left to right, indicating that it will keep covering more of the y-axis as we go on.
So, range of this spans all the real number values of y.
A function is an expression that takes up each value of an independent variable (x) and gives a corresponding value of a dependent variable (y) without the same values of the independent variable (x) giving different values of the dependent variable (y).
We can see that there are cases where the same value of x gives multiple values of y like the at x = 0, y = 1 and y = -1.
So, this relation does not classify as a function.
5) Here, we are given that the relation is,
{(-2, 1) (4, 3) (8,-1) (-3,-4) (5,2)}
Noting that it is written in the form of (x, y)
Domain = {-2, 4, 8, -3, 5}
Range = {1, 3, -1, -4, 2}
We can see that no x value gives multiple y values.
Hence, this qualifies as a function
6) For this one where the line has an arrow at both ends, indicating that it continues till infinity
Therefore,
For the domain, we can tell that all the real number values of x will be the domain of this.
For the range similarly, it will cover all the real number values of y.
And this is a function as all the different values of x each give only one value for y.
We are then asked to compute the x and y intercept.
The x intercept is the point where the line crosses the x-axis and y = 0,
The y intercept is the point where the line crosses the y-axis and x = 0,
From the graph, we can see that
x-intercept = (8, 0)
y-intercept = (0, 4)
Hope this Helps!!!
Find the inverse function of f(x)= 1/x+6. F^−1(x)=
Given the function f(x)= 1/(x+6) We are to find the inverse function of the given function,
i.e., f^-1(x).To find the inverse of a function, we need to interchange the x and y and solve for y. So, we have:=> x = 1/(y+6) => y+6 = 1/x => y = 1/x - 6
Therefore, the inverse function of f(x) = 1/(x+6) is f^-1(x) = 1/x - 6.
Since the answer requires a 250-word count, we can explain the concept of inverse function.
What is the inverse function? A function which performs the opposite operation of another function is known as the inverse function.
The inverse function of a given function may be obtained by replacing x with y in the given function and solving for y. If the inverse function exists, the domain of the original function is equal to the range of the inverse function and the range of the original function is equal to the domain of the inverse function.
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Solve for y: 2½y = ⅝ Answer in simplest form.
Step-by-step explanation:
\(2 \frac{1}{2} y = \frac{5}{8} \)
Convert Mixed number to improper fraction.
\(2 \frac{1}{2} = \frac{5}{2} \)
Equate
\( \frac{5}{2} y = \frac{5}{8} \)
Cross Multiply
\(5y \times 8 = 2 \times 5 \\ 40y = 10\)
Divide both sides of the equation by 40
\( \frac{40y}{40} = \frac{10}{40} \)
Simplify
\(y = \frac{1}{4} \)
The volume of the rectangular pyramid is 120 m^3. The height, h,
is 15 m, and the length of the base, I, is 6 m. What is the width
of the base, w, of the rectangular pyramid?
15
4
40
60
Hence, we can conclude that the value of the length of the rectangular base is 4 meters.
option b is correct.
'A rectangular pyramid is a type of pyramid with the base shaped like a rectangle but the sides are shaped like a triangle. A pyramid usually has triangular sides but with different bases.
According to the given problem,
Volume = 120 cubic meters
Height = 15 m
Width of rectangular base = 6 meter
Let the length be x,
\(v=\frac{lwh}{3}\)
\(120=\frac{x*15*6}{3}\)
360=90x
x=4 meter
Hence, we can conclude that the value of the length of the rectangular base is 4 meters.
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Use a protractor to draw a parallelogram that has two side lengths of 5 inches and 2 inches and two adjacent angles that measure 25° and 155°.
What are the measures of the other two angles in the parallelogram?
25° and 130°
25° and 155°
130° and 155°
130° and 170°
Answer:
the answer is 25 and 155
Step-by-step explanation:
i took the test
Answer:
its 25 and 155
Step-by-step explanation:
i took the test
an article gave the following observations on a maximum concrete pressure (kn/m^2): 33.3 41.8 37.4 40.2 36.7 39.1 36.2 41.8 36.0 35.2 36.7 38.9 35.8 35.2 40.1 using a normal probability plot, we ascertain that it is plausible that this sample was taken from a normal population distribution. calculate an upper confidence bound with confidence level 95% for the population standard deviation of maximum pressure.
A mean of a normal distribution's upper bound of a 95% confidence interval is 58.11.
What does "confidence interval" mean?This confidence interval would just be constructed using the Z or t distribution depending on the confidence level that was selected and the standard error of the point estimate.The standard error of the point estimate will be used to account for the variation in the important finding for every one of the outcome measures.For the given question,
sample mean μ = 554.4/15 = 36.96standard deviatio σ = 41.8sample size n = 15confidence interval = 95%The confidence bound's upper limit (UCB) is determined as follows:
UCB = μ + z(α/2)×σ/√n
Now, α/2 = (1 - 0.95)/2
α/2 = 0.025
z(α/2) = 1.96 (obtain from t-distribution table for degree of freedom)
Put the values in the formula,
UCB = μ + z(α/2)×σ/√n
UCB = 36.96 + 1.96×41.8/√15
UCB = 58.11
As a result, 58.11 is the upper bound of a 95% confidence interval for the mean of a normal distribution.
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You are at a restaurant and the check comes to a total of $29. If you want to leave a 19% tip, how much total money should you pay, to the nearest cent?
Answer:
$34.51
Step-by-step explanation:
To find 19% of 29, you first want to change the 19% to a decimal.
19% to a decimal is 0.19
Then you multiply the 0.19 by 29
29•0.19= 5.51
Now just add the 5.51 to the 29 to get the total
5.51+29=$34.51
Which statement is NOT true about the normal probability density function?
A. It is also known as the bell curve.
B. Its shape is completely concave downward.
C. It has 2 inflection points.
D. It has reflectional symmetry.
Answer: The correct answer is
B. Its shape is completely concave downward.
which unit would be best to measure the length of a whale
On a blueprint, an architect uses a scale of 3 cm : 8 ft. If a building is drawn to be 42 cm tall, what is the height of the actual building?
Answer:
112 feet
Step-by-step explanation:
3 x 14 = 42
8 x 14 = 112
Remember that the equation of a circle whose center is not at the origin is where (h, v) is the center of the circle. Use this to help you write the equation.
By using the equation \((x - h)^2 + (y - v)^2 = r^2,\) we can represent a circle with its center at (h, v) and radius r.
The equation of a circle with its center not at the origin is derived from the general equation of a circle.
The general equation of a circle with center (h, v) and radius r is given by:
\((x - h)^2 + (y - v)^2 = r^2\)
In this equation, (x, y) represents any point on the circle.
The values (h, v) represent the coordinates of the center of the circle, and r represents the radius.
To understand why this equation represents a circle, let's break it down. The term \((x - h)^2\) represents the square of the difference between the x-coordinate of any point on the circle and the x-coordinate of the center. Similarly, \((y - v)^2\) represents the square of the difference between the y-coordinate of any point on the circle and the y-coordinate of the center. Adding these two terms together gives the sum of the squares of the differences between the coordinates of any point on the circle and the coordinates of the center.
If this sum is equal to the square of the radius \((r^2),\) it means that the point is on the circle.
Conversely, if the sum is greater than \(r^2,\)the point is outside the circle, and if the sum is smaller than \(r^2,\) the point is inside the circle.
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what is the difference between distributed vs. distributional representations? 1 point grading comment: choice 1 of 4:distributed representations use word co-occurrence, distributional representations use vectors choice 2 of 4:distributed representations use vectors, distributional representations use a normal distribution as their probability choice 3 of 4:distributed representations use a vector, distributional representations use word co-occurrence choice 4 of 4:distributed representations can be stored on multiple computers, distributional representations use vectors
The difference between distributed vs. distributional representations: Distributed representations use word co-occurrence, while distributional representations use vectors. So, option 1 is the correct answer.
What is a distributed representation?A distributed representation is a model for representing a concept, object, or event in which each entity is defined by a list of factors. These features are usually weighted to reflect their relative importance to the object being modeled.
What is a distributional representation?A distributional representation is a model for representing linguistic meaning in which words are represented by vectors. This approach builds on the observation that words that appear in similar contexts in texts are often semantically similar. As a result, a word's meaning is derived from the distributional information about it that is captured by its context in the text. Distributed representations use word co-occurrence, while distributional representations use vectors. Option 1 is the correct answer.
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HELLLOPPPPPPP HELPPP ASAPPP PLEASE !!
Answer:
10 = c
Step-by-step explanation:
Distribute -4 to the parentheses:
8 = 8c - 4(c + 8)
8 = 8c - 4c - 32
Add like terms:
8 = 4c - 32
Add 32 to both sides:
40 = 4c
10 = c
Answer:
Question:
8=8c-4(c+8)
Step-by-step explanation:
8=8c-4c-32
8=4c-32
8+32=4c
40=4c
Or
4c=40
c=10
A veteran math teacher at a large high school claims that 93% of their students pass the state’s final exam. A random sample of 120 of the teacher’s students was chosen, and 108 passed the state’s final exam. Let p hat = the proportion of the random sample who passed the state’s final exam.
The probability that 90% or fewer of this teacher’s students passed the state’s final exam is 0.096. Does this result provide convincing evidence against the teacher’s claim?
Yes, it is expected that at least 90 of the students will pass the state’s final exam.
Yes, the probability of seeing the sample result is so far from what is expected that the probability of it occurring by chance alone is very unlikely.
No, there is a very small chance of seeing the sample result. It is unlikely to occur by chance alone.
No, the difference between the sample result and what is expected is not extreme enough. The probability of it occurring by chance alone is not unlikely.
Answer:
Yes, the probability of seeing the sample result is so far from what is expected that the probability of it occurring by chance alone is very unlikely.
Step-by-step explanation:
I hope this is right
2. Jules conducted a survey and asked 100
people how many years of education they have
and what their annual income is. She used the
results to make a scatter plot.
What type of assoastion should she expect to see in the scatter plot
A rectangular concrete patio has a perimeter of 36 meters. It’s area is 77 square meters. What are the dimensions of the patio.
Answer:
7 by 11
Step-by-step explanation:
Let's assume that the length of the rectangular patio is "l" meters and the width is "w" meters.
According to the problem statement, the perimeter of the patio is 36 meters, so we can set up the equation:
2l + 2w = 36
Simplifying this equation by dividing both sides by 2, we get:
l + w = 18
We also know that the area of the patio is 77 square meters, so we can set up another equation:
lw = 77
We now have two equations in two variables, and we can use them to solve for l and w.
From the first equation, we can solve for one variable in terms of the other:
w = 18 - l
Substituting this expression for w into the second equation, we get:
l(18 - l) = 77
Expanding the left-hand side, we get a quadratic equation:
18l - l^2 = 77
Rearranging and simplifying, we get:
l^2 - 18l + 77 = 0
This quadratic equation can be factored as:
(l - 7)(l - 11) = 0
Therefore, the solutions are l = 7 or l = 11.
If l = 7, then w = 18 - l = 11, and the dimensions of the patio are 7 meters by 11 meters.
If l = 11, then w = 18 - l = 7, and the dimensions of the patio are 11 meters by 7 meters.
Therefore, the dimensions of the patio are either 7 meters by 11 meters or 11 meters by 7 meters.
What is the measure of \angle D∠Dangle, D?
Answer:
63⁰
Step-by-step explanation:
As in cyclic quadrilateral sum of opposite angles us equal to 180⁰