Answer:
x = 9
Step-by-step explanation:
Given
2(x + 5) = 3x + 1 ← distribute left side
2x + 10 = 3x + 1 ( subtract 2x from both sides )
10 = x + 1 ( subtract 1 from both sides )
9 = x
What is the slope of a line that is perpendicular to the
line shown on the graph?
Answer:
-4
Step-by-step explanation:
you flip the ratio from the original line
Solve for the exact value of x.
Answer:
x = 4
Step-by-step explanation:
The store sells lemon tea in 12-packs of bottles . Each bottle holds 2 cups of tea . How many gallons of lemon tea does each carton hold? Express you answer as a decimal
Answer:
1.5gallons
Step-by-step explanation:
Here,
no. of bottles(a) : 12
no. of cups (b) :a*2
=12*2
=24
Now,
No. of gallons. :24/16
:1.5gallons
.·.A cartoon contains 1.5 gallons of lemon tea.
Factor the polynomial by its greatest common monomial factor.
6x2 + 8x2-
4x
Answer:
he should have multiplied
Step-by-step explanation:
In step 1 [($22.75 + 3) + $32.75 − $14.25] ⋅ 1 over 5 it should have been[($22.75 * 3) + $32.75 − $14.25] ⋅ 1 over 5
Step-by-step explanation:
Answer:
2x(7x-2)
Good Luck!!!
4(2x+5)-2(x-3)=8(2x+4)
Answer:
-0.6 or -(3/5)
Step-by-step explanation:
Let's simplify the left-hand side of the equation first:
4(2x+5)-2(x-3)
= 8x + 20 - 2x + 6 [distributing the multiplication and simplifying the parentheses]
= 6x + 26
Now let's simplify the right-hand side of the equation:
8(2x+4)
= 16x + 32
So the equation becomes:
6x + 26 = 16x + 32
Let's isolate x on one side of the equation:
6x - 16x = 32 - 26
-10x = 6
x = -0.6
Therefore, the solution to the equation is x = -0.6.
In a math class with 25 students, a test was given the same day that an assignment was due. There were 15 students who passed the test and 20 students who completed the assignment. There were 13 students who passed the test and also completed the assignment. What is the probability that a student passed the test given that they did not complete the homework?
Answer:
40%
Step-by-step explanation:
20-15 = 5, 2 students passed and did the assignment, 0.4 = 40%
Quiz Active
Does anyone know the answer
Answer:c the third one
Step-by-step explanation: because i did it!
3. Look at the averages for all individuals in your group. Was
the hypothesis you stated in the previous question supported by the
"average data"? Explain your answer!!!
The improper integral ∫ 1/x dx from 0 to ∞ is divergent. The improper integral ∫ 1/x dx from 0 to ∞ represents the integral of the function 1/x with respect to x over the interval from 0 to positive infinity.
To determine whether this integral is convergent or divergent, we need to evaluate it.
Let's split the integral into two parts: from 0 to 1 and from 1 to ∞.
∫(0 to 1) 1/x dx
This part of the integral is a finite integral, and it can be evaluated as:
∫(0 to 1) 1/x dx = [ln|x|] (0 to 1) = ln(1) - ln(0)
However, ln(0) is undefined, so this part of the integral does not converge.
Now let's evaluate the second part of the integral:
∫(1 to ∞) 1/x dx
This integral represents the area under the curve of the function 1/x from 1 to ∞. This is a well-known integral and is known to diverge. As x approaches infinity, the value of 1/x approaches 0, but it never reaches 0. Therefore, the area under the curve keeps increasing indefinitely, and the integral diverges.
Since either part of the integral diverges, the overall integral ∫ 1/x dx from 0 to ∞ is divergent.
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adults should consume 21 to 38 grams of ________ daily.
Answer: fiber
Step-by-step explanation:
excessive consumption may lead to diarrhea, too less may result in constipation, heart disease and sometimes cancer
The two-way table shows the number of students in a class who play basketball and/or football. Play Basketball Do Not Play Basketball Total Play Football 30 ? 40 Do Not Play Football 8 6 14 Total 38 16 54 What is the missing number in the table? (5 points) 2 10 34 46
Answer:
2
Step-by-step explanation:
The total number of students who play football is given as 40 in the table. We can find the missing number by subtracting the total number of students who play basketball (38) from the total number of students who play football:
Total number of students who play football - Total number of students who play basketball = Missing number
40 - 38 = 2
Therefore, the missing number in the table is 2.
Answer:
its 40
Step-by-step explanation:
1. the answer above was careless and did not take there time to get the right answer for you I apologize in advance.
2. I Just took the test and got this correct.
3. if you look at the total for both sections on the bottom you can its the the number of the players who did and not play basketball added up. Best of luck to you.
A parachutist jumped from an airplane at an elevation of 11,880 feet above the ground.
After 9 seconds, the total change in elevation was –643.5 feet. What was the average change in elevation per second at this point?
71.5 feet
–7.15 feet
–71.5 feet
7.15 feet
Answer:
[C] -71.5 feet
Step-by-step explanation:
To find the Answer you have to divide as well as change in elevation being a negative value when multiplying.
Thus, Answer is [C] -71.5 feet
{RevyBreeze}
Answer/Step-by-step explanation:
After 9 seconds, the total change in elevation was –643.5 feet. What was the average change in elevation per second at this point?
71.5 feet
–7.15 feet
–71.5 feet
7.15 feetAfter 9 seconds, the total change in elevation was –643.5 feet. What was the average change in elevation per second at this point?
71.5 feet
–7.15 feet
–71.5 feet
7.15 feetAfter 9 seconds, the total change in elevation was –643.5 feet. What was the average change in elevation per second at this point?
71.5 feet
–7.15 feet
–71.5 feet7.15 feetAfter 9 seconds, the total change in elevation was –643.5 feet. What was the average change in elevation per second at this point?
71.5 feet
–7.15 feet
–71.5 feet
7.15 feetAfter 9 seconds, the total change in elevation was –643.5 feet. What was the average change in elevation per second at this point?
71.5 feet
–7.15 feet
–71.5 feet
7.15 feetAfter 9 seconds, the total change in elevation was –643.5 feet. What was the average change in elevation per second at this point?
71.5 feet
–7.15 feet
–71.5 feet
7.15 feetAfter 9 seconds, the total change in elevation was –643.5 feet. What was the average change in elevation per second at this point?
71.5 feet
–7.15 feet
–71.5 feet
7.15 feetAfter 9 seconds, the total change in elevation was –643.5 feet. What was the average change in elevation per second at this point?
71.5 feet
–7.15 feet
–71.5 feet
7.15 feetAfter 9 seconds, the total change in elevation was –643.5 feet. What was the average change in elevation per second at this point?
71.5 feet
–7.15 feet
–71.5 feet
7.15 feetAfter 9 seconds, the total change in elevation was –643.5 feet. What was the average change in elevation per second at this point?
71.5 feet
–7.15 feet
–71.5 feet
7.15 feetAfter 9 seconds, the total change in elevation was –643.5 feet. What was the average change in elevation per second at this point?
71.5 feet
–7.15 feet
–71.5 feet
7.15 feet
suppose a sample of 464 floppy disks is drawn. of these disks, 51 were defective. using the data, construct the 80% confidence interval for the population proportion of disks which are defective. round your answers to three decimal places.
The answer is (0.088, 0.134).
Learn more about :
To construct the 80% confidence interval for the population proportion of disks which are defective using the data provided in the question, the following steps should be followed;
Step 1: Calculate the sample proportion The sample proportion is calculated by dividing the number of defective disks in the sample by the total number of disks in the sample.
p = 51/464 = 0.1108
Step2: Calculate the standard error The standard error can be calculated using the following formula:
σ = √(p(1-p)/n)
Where:
p = sample proportion = sample sizeσ = v(0.1108(1 - 0.1108)/464)σ = 0.0181
Step 3: Calculate the margin of error
The margin of error for an 80% confidence interval can be calculated using the following formula:
ME = 1.28 x σME = 1.28 x 0.0181ME = 0.0232
Step 4: Calculate the confidence interval The confidence interval can be calculated using the formula:
p ± ME
p ± 0.0232
Using the calculated values of p and ME:0.1108 ± 0.0232
Therefore, the 80% confidence interval for the population proportion of disks which are defective is (0.0876, 0.1340). The answer should be rounded to three decimal places as follows: (0.088, 0.134).
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What type of variable is the number of robberies reported in your city? multiple choice continuous quantitative qualitative attribute
Quantitative type of variable is the number of robberies reported in your city.
The number of robberies reported in your city is a quantitative variable because it represents a numerical measurement or quantity.
It involves the collection of numeric data that quantifies the frequency or amount of a specific event (in this case, the number of robberies) occurring in your city.
More specifically, it is a continuous variable. Continuous variables are characterized by being able to take on any value within a certain range. In the case of the number of robberies reported, it can have decimal or fractional values.
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Find the surface area of the figure. Hint: the surface area from the missing prism inside the prism must be ADDED!
To find the surface area of the figure, we need to consider the individual surfaces and add them together.
First, let's identify the surfaces of the figure:
The lateral surface area of the larger prism (excluding the base)
The two bases of the larger prism
The lateral surface area of the smaller prism (excluding the base)
The two bases of the smaller prism
The lateral surface area of a prism is given by the formula: perimeter of the base multiplied by the height.
The bases of the prisms are rectangles, so their areas can be calculated by multiplying the length by the width.
To find the missing prism's surface area, we need to consider that it is a smaller prism nested inside the larger prism. The lateral surface area and bases of the missing prism should also be included.
Once we have calculated the individual surface areas, we add them together to find the total surface area of the figure.
Without specific measurements or dimensions of the figure, it is not possible to provide a numerical answer. Please provide the necessary measurements or dimensions to calculate the surface area.
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1. Find the maximum and minimum values of z = 2x + 3y subject to the following constraints
\(0 \leqslant x \leqslant 7\)
\(y \geqslant 1\)
\(2x - y \geqslant - 5\)
\(x + y \leqslant 11\)
Copy and paste the text below and put your answers into the blanks. maximum value =
when x =
and y =
minimum value =
when x =
and y=
Answer:
Minimum Values:
x = 0, y = 1, z = 3
Maximum Values:
x = 7 , y = 11 , z = 47
Step-by-step explanation:
FOR MINIMUM VALUES:
0<= x <= 7
It is clear from the above inequality that the minimum value of x must be 0.
y>= 1
This inequality shows that the minimum value of y must be 1. Using these minimum values of x and y to get the minimum value of z:
z = 2x + 3y
z = (2)(0) + (3)(1)
z = 3 (Minimum)
FOR MAXIMUM VALUES:
0<= x <= 7
It is clear from the above inequality that the maximum value of x must be 7.
x + y <= 11
To calculate maximum value of y we can use the minimum value of x in this inequality:
0 + y <= 11
y <= 11
Hence, the maximum value of y is 11.
Using these maximum values of x and y to get the maximum value of z:
z = 2x + 3y
z = (2)(7) + (3)(11)
z = 47 (Maximum)
1 Select the correct answer. What is the simplified form of this expression? (-3x² + 4x) + (2x²-x-11)
a. -x2 + 5x − 11
b. -x² + 3x - 11
c. -x² + 3x + 1
d. -x2 + 5x + 11
Blynomials: Mastery Test
The value of the given expression is - x² + 3x - 11 and option b is the correct answer.
What is binomial expression?Binomial is the name for an algebraic expression with only two terms. It is a polynomial with two terms. It is sometimes referred to as the sum or difference of two or more monomials. It is a polynomial's most basic form. Therefore, A binomial is a two-term algebraic statement that includes a constant, exponents, a variable, and a coefficient.
The given expression is:
(-3x² + 4x) + (2x²-x-11)
-3x² + 4x + 2x² - x - 11
Subtract the like terms:
- x² + 3x - 11
Hence, the value of the given expression is - x² + 3x - 11 and option b is the correct answer.
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What are constraints? What is the difference between explicit and implicit constraints? What is the difference between dimensional and geometric constraints?
Constraints limit systems. Explicit constraints are defined, while implicit constraints are assumed. Dimensional and geometric constraints differ in their definitions.
Imperatives are constraints or limitations put on an article or framework to guarantee it capabilities as planned or meets specific prerequisites. Express limitations are those that are explicitly characterized and recorded, while certain requirements are those that are expected or seen yet not really archived.
Layered limitations determine the size, shape, and area of items or parts inside a framework, while mathematical imperatives characterize the connections between various parts or articles, like parallelism or oppositeness. The two kinds of requirements are significant in designing and plan, as they assist with guaranteeing that a framework or item is utilitarian, safe, and meets the ideal details.
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find the distance between the following sets of points:
A. (-5,-3) and (-1,3) B. (-14,-7) and (-11,2)
Distance between \(AB=$\sqrt{(-1-(-5))^2+(3-(-3))^2}$\)Distance between
AB=\($\sqrt{4^2+6^2}$= 2$\sqrt{10}$\).Distance between AB = \(3$\sqrt{10}$ units.\)
The given sets of points are A=(-5,-3) and B=(-1,3). The distance between them is to be calculated.Using the distance formula,
Distance between \(AB=$\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$where $x_1$=-5, $x_2$=-1, $y_1$=-3 and $y_2$=3\)So,Distance between\(AB=$\sqrt{(-1-(-5))^2+(3-(-3))^2}$,\)
Distance between \(AB=$\sqrt{4^2+6^2}$= 2$\sqrt{10}$\).
Therefore, the answer for this is:Distance between \(AB = 2$\sqrt{10}$\) units.
The given sets of points are A=(-14,-7) and B=(-11,2). The distance between them is to be calculated.
Using the distance formula
Distance between \(AB=$\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$\)where\($x_1$=-14, $x_2$=-11, $y_1$=-7 and $y_2$=2.\)
So,Distance between AB=\($\sqrt{(-11-(-14))^2+(2-(-7))^2}$\)
Distance between \(AB=$\sqrt{3^2+9^2}$= 3$\sqrt{10}$.\)
Therefore, the answer for this is:Distance between AB = \(3$\sqrt{10}$ units.\)
Find the distance between the following sets of points: A. (-5,-3) and (-1,3) B. (-14,-7) and (-11,2)" are:
Distance between AB =\(2$\sqrt{10}$ units.Distance between AB = 3$\sqrt{10}$ units.\)
The conclusion of this answer is that the distance between two points A and B can be calculated by using the distance formula which is\($ \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$ where $(x_1,y_1)$ and $(x_2,y_2)$\)are the coordinates of two points A and B respectively.
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Berkeley Bowl Cherry Tomatoes (for Q6-7) Berkeley Bowl sells cherry tomatoes to local fast food restaurants. The diameter of a tomato is on average 26 mm, with a standard deviation of 3 mm. The upper and lower specifications limits that they are given are, respectively, 32 mm and 20 mm. Q6. What percentage of their tomatoes are within the specification limits? Q7. What should the standard deviation of their process be for their process to be half of the Six Sigma Quality?
Q6: Approximately 68.3% of the cherry tomatoes sold by Berkeley Bowl fall within the specified diameter limits of 20 mm to 32 mm.
Q7: To achieve half of the Six Sigma Quality, the standard deviation of the process should be approximately 0.22 mm for Berkeley Bowl's cherry tomatoes.
In Q6, we can use the concept of the normal distribution to determine the percentage of tomatoes within the specification limits. Since the average diameter is 26 mm and the standard deviation is 3 mm, we can assume a normal distribution and calculate the percentage of tomatoes within one standard deviation of the mean. This corresponds to approximately 68.3% of the tomatoes falling within the specified limits.
In Q7, achieving Six Sigma Quality means that the process has a very low defect rate. In this case, half of the Six Sigma Quality means reducing the variability in diameter to half the acceptable range.
The acceptable range is 32 mm - 20 mm = 12 mm. To achieve half the range, the standard deviation should be approximately half of 12 mm, which is 6 mm. Since the standard deviation is given as 3 mm, the process would need to be improved to reduce the standard deviation to approximately 0.22 mm for it to meet half of the Six Sigma Quality.
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Enter an algebraic equation for the sentence. Use x as your variable. The difference between three times a number and 8 is 25.
An equation is....
HELP ME PLEASE!
Answer:
The algebraic equation for the given sentence is
3x - 8 = 25
Joe is selling hot chocolate for $0.25 per cup. It costs $12 for a case of cocoa mix. Each paper coffee cup costs $0.10. How many cups of hot chocolate does he need to break even?
Answer: He needs 80 cups.
Step-by-step explanation:$12/$.15=80 cups
due last weeeekk help!!!!
A sequence of transformation that would move ΔABC onto ΔDEF is: D. a dilation by a scale factor of 1/2, centered at the origin, followed by a 90° clockwise rotation about the origin.
What is a dilation?In Geometry, a dilation is a type of transformation which typically changes the size of a geometric object, but not its shape.
In this scenario an exercise, we would dilate the coordinates of the pre-image by applying a scale factor of 1/2 that is centered at the origin as follows:
Ordered pair B (-4, 2) → Ordered pair B' (-4 × 1/2, 2 × 1/2) = Ordered pair B' (-2, 1).
In Mathematics and Geometry, a rotation can be defined as a type of transformation which moves every point of the object through a number of degrees around a given point, which can either be clockwise or counterclockwise (anticlockwise) direction;
(x, y) → (y, -x)
Ordered pair B' (-2, 1) → E (1, 2)
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AK and CG intersect at point M in plane T
what is the eccentricity of an infinitely long ellipse?
The eccentricity of an infinitely long ellipse will be less than 1.
What is the eccentricity of an ellipse?The ratio of the focus's distance from the ellipse's center and the ellipse's distance from one of its ends.
It is easy to comprehend how circular an ellipse is in relation to a circle when we consider its eccentricity. It also measures the ovalness of the ellipse and eccentricity close to one refers to the high degree of ovalness.
The eccentricity of an ellipse is always less than 1 i.e e < 1. The formula for the eccentricity of an ellipse is given by
Eccentricity = Distance from Focus/Distance from DirectrixWhich can be written as
=> e = c/a.Where
e = Eccentricity of the ellipse
c = Distance of the focus from the center of the ellipse
a = Distance of the end of the ellipse from the center
As we know the eccentricity of an ellipse is always less than 1, So we can conclude that the eccentricity of an infinitely long ellipse is less than 1.
Therefore,
The eccentricity of an infinitely long ellipse will be less than 1.
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two functions are given below: f(x) and h(x). state the axis of symmetry for each function and explain how to find it
HELP ME PLEASE
The axis of symmetry for function
f(x) is x = 8 and for h(x) is x = 3.
We know that the quadratic equation in vertex form is, y = a (x - m)² + n
where (m, n) is the vertex of the parabola.
And, the axis of symmetry is x = m.
Consider function f(x)
f(x) = -4(x - 8)² + 3
This function represents a quadratic equation in vertex form with vertex (8, 3)
So, the axis of symmetry for function f(x) would be x = 8
We know that the axis of symmetry is the vertical line that goes through the vertex of a parabola so the left and right sides of the parabola are symmetrical.
Consider the function h(x)
We can observe that the vertex of parabola is (3, 2)
So, the axis of symmetry would be x = 3.
Therefore, the axis of symmetry for function
f(x) is x = 8 and for h(x) is x = 3.
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Find two positive numbers whose product is 81 and whose sum is a minimum. (If both values are the same number, enter it into both blanks.) (smaller number) (larger number)
To find two positive numbers whose product is 81 and whose sum is a minimum, we can use the concept of the arithmetic mean-geometric mean inequality. The two positive numbers whose product is 81 and whose sum is a minimum are 3 and 27.
Step 1: Let's call the two positive numbers x and y.
Step 2: We know that the product of x and y is 81, so we can write the equation: x * y = 81.
Step 3: To find the sum of x and y, we can use the formula for the arithmetic mean, which is (x + y)/2.
Step 4: To minimize the sum, we want to minimize the arithmetic mean.
Step 5: According to the arithmetic mean-geometric mean inequality, the arithmetic mean is always greater than or equal to the geometric mean.
Step 6: The geometric mean of x and y is the square root of their product, so we can write the equation: √(x * y) = √81.
Step 7: Simplifying, we get √(x * y) = 9.
Step 8: Taking the square root of both sides, we find that x * y = 9.
Step 9: Since the product of x and y is the same as before, we know that x * y = 81.
Step 10: So, we have two equations: x * y = 9 and x * y = 81.
Step 11: Solving these equations, we find that the values of x and y are (3, 27) or (27, 3).
Step 12: Therefore, the two positive numbers whose product is 81 and whose sum is a minimum are 3 and 27.
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62X + 310 =
2542 Find X
Answer:
36
Step-by-step explanation:
62x + 310 = 2542
62x = 2232
x = 36
Answer:
36
Step-by-step explanation:
62x + 310 = 2542
Subtract 310 from both sides
62x = 2,232
Then Divide by 62
x = 36
Enjoy.
Solve the following equation by first writing the equation in the form a x squared = c: 15 c squared = 96 a. C = plus-or-minus 96 b. C = 9 c. C = plus-or-minus 9. 79 d. C = 9. 79.
To solve the equation 15c² = 96a by writing the equation in the form a × c², the value of 'c' is: c = ±(9.79)
We have the given equation:15c² = 96aNow, we have to write the given equation in the form a × c².
So, dividing both sides of the equation by 15: c² = (96/15) × a c² = 6.4a
Now, we can say that a = 1 and c² = 6.4. Therefore, c = ±√6.4 = ±(2.53)(approx)
Multiplying both sides of the equation by 15, we get: 15c² = 15 × 6.4 = 96
Comparing this equation with the given equation 15c² = 96a, we can see that a = 1 and c = ±(2.53)(approx)So, the value of 'c' is c = ±(2.53)(approx)
Therefore, the value of 'c' in terms of options given are:C = ±(9.79) (approximately).
So, the correct option is d) C = 9.79.
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use linear approximation to estimate f(2.9) given that f(3)=5 and f'(3)=6
Using linear approximation, f(2.9) ≈ f(3) + f'(3)(2.9 - 3) = 5 + 6(-0.1) = 4.4.
How we estimate the value of f(2.9) using linear approximation?To estimate f(2.9) using linear approximation, we can use the formula: f(x) ≈ f(a) + f'(a)(x - a), where a is a point close to 2.9.
Given that f(3) = 5 and f'(3) = 6, we can substitute these values into the formula. Thus, f(2.9) ≈ 5 + 6(2.9 - 3) = 5 - 6(0.1) = 5 - 0.6 = 4.4.
The estimated value of f(2.9) using linear approximation is 4.4.
Linear approximation provides a linear approximation of a function near a given point using the function's value and derivative at that point.
In this case, we approximate f(2.9) by considering the tangent line to the graph of f at x = 3 and evaluating it at x = 2.9.
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The linear correlation coefficient for a set of paired variables is r=0.897. what proportion of the variation in y acn be explained by the linear relationship between x and y?
About \(80.5\%\) of the variation in y can be attributed to the linear relationship with x.
Used the concept of correlation coefficient that states,
The proportion of the variation in y that can be explained by the linear relationship between x and y can be determined by squaring the correlation coefficient
Given that,
When paired variables are considered, the linear correlation coefficient is,
\(r=0.897\)
Hence the proportion of the variation in y explained by x is,
\(r^2 = (0.897)^2\)
\(r^2 = 0.804609\)
This means that about \(80.5\%\) of the variation in y can be attributed to the linear relationship with x.
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