The maximum amount of space that the teacher can reserve on her bulletin board using the 40-inch long roll of string is 400 square inches.
A rectangle is a two-dimensional shape with four sides and four right angles. It is characterized by having two equal sides that are parallel to each other and two equal sides that are perpendicular to the first two sides.
First, let's consider the perimeter of the rectangle. The perimeter is the total length of the four sides of the rectangle.
So, if we use the entire 40-inch long roll of string to form the border, it will equal the perimeter of the rectangle. We can represent the length and width of the rectangle using variables "l" and "w", respectively.
The perimeter of the rectangle can be calculated using the formula: P = 2l + 2w.
Now, we can set the perimeter equal to 40 inches and solve for l and w.
P = 40
2l + 2w = 40
l + w = 20
Next, we want to find the maximum area of the rectangle. The area of a rectangle can be calculated using the formula: A = l * w.
So, to find the maximum area, we need to maximize the product of l and w. This can be done by setting l and w equal to half of the perimeter, or 20 inches each.
l = w = 20
A = l * w
A = 20 * 20
A = 400 square inches
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the following functions represent the population of bison in two regions of a wildlife park, where x is the number of years since 2010. which function represents the total population, h(x), of bison in the two regions of the park x years after 2010? a. b. c. d.
The total population, h(x): of bison in the two regions 0f the park X years after 2010 is h(x) = 1050(1.14)ˣ. So the option a is correct.
The following functions represent the population of bison in two regions of a wildlife park; where X is the number of years since 2010.
f(x) = 600(1.14)ˣ
g(x) = 450(1.14)ˣ
We must tell the function that represents the total population of bison in the two park regions x years after 2010.
h(x) = Total Population
So, h(x) = f(x) + g(x)
Now put the value of f(x) and g(x)
h(x) = 600(1.14)ˣ + 450(1.14)ˣ
Take (1.14)ˣ on both side, we get
h(x) = (600 + 450)(1.14)ˣ
h(x) = 1050(1.14)ˣ
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The complete question is:
The following functions represent the population of bison in two regions of a wildlife park; where X is the number of years since 2010.
f(x) = 600(1.14)ˣ
g(x) = 450(1.14)ˣ
Which function represents the total population, h(x): of bison in the two regions 0f the park X years after 2010?
h(x) = 1,050(1.14)ˣ
h(x) = 1,050(2.28)²ˣ
h(x) = 1,050(1.14)²ˣ
h(x) = 1,050(2.28)ˣ
What amount should Andy write for the balance on January 30?
D-Deposit AP-Automatic Payment ATM-Cash Withdrawal DC-Debit Card SC-Service Charge
Date Code or Transaction
Check #
Description
1/15 D
1/17 AD
1/20 DC
1/24 460
1/30
A
O-$248. 24
O $152.71
O $507.18
O $652.71
Paycheck
Movie Club
Barber
Rent
Paycheck
Payment, Fee,
Withdrawal (-)
995
14 50
250 00
Deposit,
Credit (+)
310 58
402 71
Balance
68 34
378 92
368 97
354 47
104 47
Andy should write $507.18 for the balance on January 30. The solution has been obtained by using arithmetic operations.
What are arithmetic operations?
Four fundamental mathematical operations can be used to express any real number.
1. To determine the total of the numbers, use the addition operator ('+').
2. Use the sign "-" when subtracting to find the differences between the numbers.
3. Multiply when the result is the product of the numbers.
4. Dividing the numbers produces their quotient.
We are given that the amount balance on January 24 is $104.47 and she deposited $407.71 on January 30.
So, the amount Andy should write for the balance on January 30 is
⇒$104.47 + $407.71
⇒$507.18
Hence, Andy should write $507.18 for the balance on January 30.
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students in ms. shah's class randomly pick cards numbered from 1 to 25 to figure out the order in which their final projects will be presented. luca picks his number first. then, craig picks a number from the remaining cards. are these two events dependent or independent?
Luca picks his number first. then, craig picks a number from the remaining cards, these two events are Dependent.
Total number of cars are 25,
Luca picks randomly a card so probability is now 1/25 and total number of cars are now 24.
If craig have to pick then the probability of it becomes 1/24 as one card was already picked by the Luca,
So this indicated that these two events are Dependent.
In probability, dependent events are those whose occurrence influences the likelihood of occurrence of another event. Imagine there are 3 red and 6 green balls in a bag. One after the other, two balls are taken out of the bag.
Let A represent the first draw's red ball draw and B represent the second draw's green ball draw. If the first draw's ball is not put back in the bag, then A and B are dependent events because P(B) changes depending on whether the first draw's ball was red or green.
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Parallel to the line through (1,-2) (-6,3)
Step-by-step explanation:
A line that is parallel to another line has the same slope but a different y-intercept. The slope of the line through the points (1,-2) and (-6,3) can be found using the slope-point formula:
slope = (y2 - y1) / (x2 - x1) = (3 - (-2)) / (-6 - 1) = 5/7
So, a line that is parallel to this line would have the same slope of 5/7. To find an equation for a line with this slope that passes through a different point, we can use the point-slope formula:
y - y1 = m * (x - x1)
Where m is the slope and (x1, y1) is a point on the line. We can choose any point to use in this formula, but a common choice is the origin (0,0). So, plugging in the values we have:
y - 0 = 5/7 * (x - 0)
y = 5/7 * x
This is the equation for a line that is parallel to the line through the points (1,-2) and (-6,3) and passes through the origin.
The data show Mark’s commute times, in minutes, based on how many minutes after 7:00 A.M. he leaves his home. Use the points (1, 24) and (15, 17) to write an equation for the line of fit in slope-intercept form, where x is the number of minutes after 7:00 A.M. and y is the commute time, in minutes. If the trend continues, what would be the approximate commute time if Mark leaves at 7:18 A.M.?
The equation of the line to commute the time is written as y = -1/2x + 24.5.
What is an equation of the line?An equation of the line is defined as a linear equation having a degree of one. The equation of the line contains two variables x and y. And the third parameter is the slope of the line which represents the elevation of the line.
The general form of the equation of the line:-
y = mx + c
m = slope
c = y-intercept
Slope = ( y₂ - y₁ ) / ( x₂ - x₁ )
The given points are (1,24) and (15,17). To write the equation of the line first calculate the slope of the line and then find the y-intercept of the line.
Slope = ( y₂ - y₁ ) / ( x₂ - x₁ )
Slope = ( 17 - 24 ) / ( 15 - 1 )
Slope = -7 / 14
Slope = -1 / 2
The y-intercept is:-
y = mx + c
24 = -1/2 + c
c = ( 48 + 1 ) / 2
c = 49 / 2
c = 24.5
The equation of the line can be written as:-
y = mx + c
y = -1/2x + 24.5
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evaluate the piecewise function at the given values of the independent variable.g(x) = x+5 if x >= -5-(x+5) if x < -5a) g(0)b) g(-7)c) g(2)
The solution of the piecewise function at the given values of the independent variable g(0) is 5, g(-7) is 12 and g(2) is 7.
This is an example of a piecewise function, which is a function composed of two or more parts, each part being defined by a separate equation.
In this function, the first part is defined as g(x) = x+5 if x >= -5, and the second part is defined as g(x) = -(x+5) if x < -5.
To evaluate the function at the given values of the independent variable, we can simply substitute the values into the appropriate equation.
At x = 0,
=> g(0) = 0+5 = 5.
At x = -7,
=> g(-7) = -(-7+5) = 12.
And at x = 2,
=> g(2) = 2+5 = 7.
Therefore, the values of the function are 5, 12, and 7 respectively
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tammy, felipe, and david sent a total of text messages over their cell phones during the weekend. david sent times as many messages as felipe. felipe sent fewer messages than tammy. how many messages did they each send?
The total Messages that Tammy, Felipe, and David sent are 30, 50, and 45 messages respectively.
Let's denote the number of text messages sent by Tammy as x, Felipe as y, and David as z. Based on the information given, we have:
y < x and z = 3y.
The total number of messages they sent is x + y + z = x + y + 3y = 4y + x.
Since the total number of messages sent is not specified, we can choose an arbitrary value for the total number of messages. Let's choose 90 messages. Then, we have:
4y + x = 90
x = 90 - 4y.
Substituting z = 3y into x = 90 - 4y, we get:
3y = 90 - 4y
7y = 90
y = 90/7 = 15.
Plugging y = 15 into x = 90 - 4y, we get:
x = 90 - 4 * 15 = 30.
Therefore, Tammy sent 30 messages, Felipe sent 15 messages, and David sent 45 messages.
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Robert is running a race to raise money for cancer research. He raised $5 for the first mile
he runs, $6 for the second mile, and $7.20 for the third mile.
If this pattern continues, what is the total amount of money he will raise if his race is
26 miles total?
The pattern tells that the amount raised by Robert in 26th mile is $90.
What is a pattern?
A recurring arrangement of numbers, forms, colours, and other elements constitutes a pattern in mathematics. The Pattern can be connected to any kind of occasion or thing. When a group of numbers are arranged in a particular way, the arrangement is referred to as a pattern.
The amount of money raised by Robert for first mile = $5
The amount of money raised by Robert for second mile = $6
The amount of money raised by Robert for third mile = $7.2
The difference between amount raised in first and second mile = $1
The difference between amount raised in second and third mile = $1.2
Similarly, the difference between amount raised in third and fourth mile will be = $1.4
Similarly, the difference between amount raised in fourth and fifth mile will be = $1.8
Following this pattern the difference between 25th and 26th mile will be = (26 × 0.2) + 0.4 = $5.8
Now, the amount raised in 26th mile = 84.2 + 5.8 = 90
Therefore, the amount raised is $90.
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Draw the reflection of the following triangle over the line m.
The picture below shows the graph of which inequality?
The picture below shows the graph of the inequality of x² ≤ 4
Option C is correct.
What is inequality in mathematics?In mathematics, an inequality is described as a relation which makes a non-equal comparison between two numbers or other mathematical expressions which is used most often to compare two numbers on the number line by their size.
A graph of inequality denotes that the variables is the set of points that represents all solutions to the inequality.
A linear inequality divides the coordinate plane into two halves by a boundary line where one half represents the solutions of the inequality.
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in the given figure ab cd and p q. find the measure of x y and z
The measures of x, y and z are 40⁰, 90⁰ and 50⁰
What is Triangle?A triangle is a three-sided polygon that consists of three edges and three vertices.
We know that co-interior angles are supplementary.
∠APQ+∠CPQ=180⁰
x+∠CPQ=180⁰
x+140⁰=180⁰
x=40⁰
∠BPR+∠PRD=180⁰
z+130⁰=180⁰
z=50⁰
Now, angles x, y and z form a line, hence they sum up to 180∘.
x+y+z=180⁰
40⁰+y+50⁰=180⁰
y=90⁰
Hence, the measures of x, y and z are 40⁰, 90⁰ and 50⁰
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The question is not complete, similar kind of question is given below.
In the given figure, AB || CD. Find the measure of x, y and z.
A middle school with x students conducted a survey to determine students’Tuesday afternoon activities.
The expressions that show the number of students for each activity are;
Dance; (1/7)x + 22Baseball; (4/7)x - 24Drama; (1/7)x + 26Note that this is a fraction problem.
What is the rationale for the above response?We are given;
Total number of students in the middle school = x
A) From the given table, we can deduce that;
Students that like dance activity = (1/7)x + 22Students that like baseball activity = (4/7)x - 24Students that like drama = (1/7)x + 26B: Now, the expression to show the students that like either drama or dance is;
(1/7)x + 26 + (1/7)x + 22
⇒(2/7)x + 48
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Full Question:
A middle school with x students ran a survey to determine the students' favorite activities. The table indicates the number of students who enjoy each activity. Answer parts A and B.
Table:
Activity:
Dance- 22 more than one-seventh of the students
Baseball- 24 fewer than four-sevenths of the students
Drama- 26 more than one-seventh of the students.
Which of the numbers below is less than -1.2? Select all that apply.
Therefore , the solution of the given problem of expression comes out to be C) -3.5 , D) -0.75 and E) -1/3 .
What precisely is a expression?Math requires the use of arithmetic, algebra, and divisions. They result in the following when combined: An equation, some statistics, and a mathematical function Values, factors, and mathematical processes like adding, addition and subtraction, complex numbers, and division can all be found in a statement of fact. Different words and terms can be analysed and evaluated.
Here,
Thus , numbers below is less than -1.2
C) -3.5
D) -0.75
E) -1/3
Therefore , the solution of the given problem of expression comes out to be C) -3.5 , D) -0.75 and E) -1/3 .
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The complete question is "Which of the numbers expressions below is less than zero? Select all that apply.
A) 1.2
B) 7/2
C)-3.5
D)-0.75
E)-1/3"
What is important to know when solving problems that contain exponents? How can you improve at this skill?
When solving problems that contain exponents, we must know the value of both elements for the result to be correct. This ability can be improved by knowing how to multiply very well.
What is an exponent?An exponent is a mathematical expression that tells us that a value must be multiplied by itself a certain number of times, the most common exponent is the square in which a value must be multiplied by itself once, for example:
4² = 4 * 4 = 16To improve in problems with exponents we must know how to multiply very well because this is the basic operation that is most related to solving exponents.
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The function f(x) = 20x + 80 represents the distance in miles a drone flew. The function g(x) = x + 2 represents the time the drone flew in hours. Part A: Find f(2) and g(2). Show your work. (2 points) Part B: Find f divided by g of 2. Show your work. (2 points) Part C: What is the domain of f divided by g of x? (2 points)
the Domain of f divided by g of x (-∞, -2) to (-2 , ∞)
What is a function?A function is described as a relation among a fixed of inputs having one output every. In easy words, a feature is dating among inputs in which every entry is associated with precisely one output.
Given, The function f(x) = 20x + 80 represents the distance in miles a drone flew.
The function g(x) = x + 2 represents the time the drone flew in hours
Part A:
f(x) = 20x + 80
F(2) = 20*2 + 80
F(2) = 120
g(x) = x + 2
g(2) = 2 + 2
g(2) = 4
Part B: f(x) divided by g(2)
=> f(x) / g(2)
=> (20x + 80 ) /4
=> 5x + 20 (since, g(2) is 4)
Part C: the domain of f divided by g of x
So,
f(x) / g(x ) = (20x + 80)/(x +2)
=> (20x + 80)/(x +2)
Since Denominator can not be zero.
Therefore, the Domain of f divided by g of x (-∞, -2) to (-2 , ∞).
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4. Find the lateral surface area of the cylinder.
Round to nearest hundredth.
22 ft.
6 ft.
Answer: The lateral surface area of the cylinder can be found using the formula: πr h, where r is the radius and h is the height of the cylinder.
Given that the height of the cylinder is 22 ft, and the diameter is 6 ft, the radius can be found by dividing the diameter by 2: r = 6 / 2 = 3 ft.
So the lateral surface area of the cylinder is: πr h = π * 3 * 22 = 66 * π ≈ 208.36 sq ft.
Rounding to the nearest hundredth, the lateral surface area of the cylinder is 208.36 sq ft.
Step-by-step explanation:
multiply out 4(a-7)
Step-by-step explanation:
4(a- 7) = 4×a-(7×4)
= 4a-(28)
= 4a-28.
here are two graphs of clem's waist height vs. time. how are these graphs similar? how are they different?
Both graphs show the same relationship between Clem's waist height and time, but the exponential graph shows a more rapid increase in Clem's waist height over time.
Both graphs depict the relationship between Clem's waist height and time. The first graph is linear and is represented by the equation y = 2x + 3, where y is Clem's waist height and x is the amount of time that has passed. The second graph is exponential and is represented by the equation y = 2^x + 3. Both graphs show that Clem's waist height increases with time – the difference is that the linear graph shows a steady, linear increase, while the exponential graph shows an exponential increase. For example, if Clem's waist height was 3 inches at the start, then after 1 hour it would be 5 inches on the linear graph, but 8 inches on the exponential graph. This difference can be seen in the calculations: 1 hour on the linear graph would be 3 + (2 x 1) = 5 inches, while 1 hour on the exponential graph would be 3 + (2^1) = 8 inches.
In summary, both graphs show the same relationship between Clem's waist height and time, but the both graphs show the same relationship between Clem's waist height and time, but the exponential graph shows a more rapid increase in Clem's waist height over time.
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A can is made from a sheet of medle of 600 cm squared. Determine the dimensions of a can that will maximize volume
Answer:
The dimensions of a cylinder that will maximize volume would be radius = 10 cm and height = 30 cm.
The bookstore had 56 copies of magazine yesterday and sold 1/4 of them today sold 4/7 of what remain how many copies does the book store have 
Answer:
18
Step-by-step explanation:
56 copies
sold 1/4 *56 = 14 copies
42 copies left
4/7 * 42 = 24 copies sold
remaining 42-24 = 18
not merely a cluster of random elements, a narrative presents an ordered series of events connected by the logic of
Not merely a cluster of random elements, a narrative presents an ordered series of events connected by the logic of cause and effect.
What is a narrative?A narrative depicts an ordered set of events linked by the logic of cause and effect, not just a collection of random pieces. In tales, the sequence of events is linear, making it evident to the viewer the motivation behind and effects of character behavior.
The sequence of events in a story is referred to as the story. Simply put, sequencing a story is determining the beginning, middle, and end of the story as a first step toward retelling the events in a logical order.
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please help or i’ll fail what 99 x 99
Answer:
Step-by-step explanation:
99x99= 9801
Answer: 9,801
Step-by-step explanation: first you write the numbers down like this
99
x99
then you multiply the numbers
Jerry got a summer job working for his uncle's construction company, Iron Hammer Builders. This weekend, they are tiling the perimeter of a customer's pool. Each tile is 0.25 feet long, and the perimeter of the pool is 102 feet.
Let t represent how many tiles will cover the perimeter. Which equation models the problem?
HELP PLEAASE i need answer nowwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww
Answer:Irrational,2/9,22/100 11/50, Irrational, No Fraction Given, Perfect Square, Non-Perfect Square
Step-by-step explanation:Best fit options for each question.
The nth term of a different sequence is 8 - 6n
Is -58 a term of this sequence?
You must show how you get your answer.
[tex]8-6n=-58\\6n=66\\n=11[/tex]
[tex]11\in\mathbb{N}_+[/tex] therefore it is.
-58 is not a term of this sequence.
What is an expression?
An expression contains one or more terms with addition, subtraction, multiplication, and division.
We always combine the like terms in an expression when we simplify.
We also keep all the like terms on one side of the expression if we are dealing with two sides of an expression.
Example:
1 + 3x + 4y = 7 is an expression.com
3 + 4 is an expression.
2 x 4 + 6 x 7 – 9 is an expression.
33 + 77 – 88 is an expression.
We have,
We can check if -58 is a term of this sequence by substituting -58 for n in the formula for the nth term:
8 - 6n
= 8 - 6(-58)
= 8 + 348
= 356
Since -58 does not result in 356, we can conclude that -58 is not a term of this sequence.
Thus,
-58 is not a term of this sequence.
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if you roll a pair of fair dice, what is the probability of: (a) getting a sum of 1? (b) getting a sum of 5?
0.028. is the probability .
Describe probability using an example?
A number between 0 and 1 is the probability of an event, where, broadly speaking, 0 denotes the event's impossibility and 1 denotes its certainty. The likelihood of an event occurring increases as its probability increases. The flip of a fair (impartial) coin serves as a straightforward illustration.
Total sample space = 6*6 = 36
A) Sample space for sum of 1 = 0
So probability of getting a sum of 1 = 0
B) sample space for sum of 5 = {(1,4) , (2,3), (3,2), (4,1)}
So probability of getting a sum of 5 = 4/36 = 0.11
C) sample space for sum of 12 = (6,6)
S, probability of getting a sum of 12 = 1/36 = 0.028.
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-18(9)^-1/2
Evaluate
Answer:
-6
Step-by-step explanation:
using the rules of exponents
• [tex]a^{-m}[/tex] = [tex]\frac{1}{a^{m} }[/tex]
• [tex]a^{\frac{1}{2} }[/tex] = [tex]\sqrt{a}[/tex]
then
- 18 × [tex]9^{-\frac{1}{2} }[/tex]
=- 18 × [tex]\frac{1}{9^{\frac{1}{2} } }[/tex]
= - 18 × [tex]\frac{1}{\sqrt{9} }[/tex]
= - 18 × [tex]\frac{1}{3}[/tex]
= -6
Answer: The answer should be -6
Step-by-step explanation:
18(9^−1/2)
= −18(9^−1/2)
= (−18)(0.333333)
= −6
So, what you want to do is first solve 9^-1/2, it will come out to be about 0.333333
You are going to put 0.333333 in for 9^-12 and then multiply:
-18(9^-1/2) = (-18)(0.333333)
(-18)(0.333333) = -6
You want to walk from home to a shoe store that is 7/8 miles away. You stop for a rest after 1/4 miles. How much farther do you have to walk? Write your answer as a fraction in simplest form
The distance further you have to walk is 5 / 8 miles.
How to find the distance you have to walk?You want to walk from home to a shoe store that is 7/8 miles away. You stop for a rest after 1/4 miles. The distance you have to walk can be calculated as follows:
Therefore,
distance you have to walk = 7 / 8 - 1 / 4
distance you have to walk = 7 - 2 / 8
distance you have to walk = 5 / 8
Therefore, the distance you have to walk is 5 / 8 miles
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i will give you alot of points
Micah withdrew $4.50 from his bank account. Write a rational number to represent this situation
The rational number representation of Micah withdrawing $4.50 from his bank account is -4.5.
How to find the rational number?A rational number is any fraction with non-zero denominators. A rational number can be written as a fraction with a numerator and denominator that are both integers.
In this case, we can write $-4.50$ as the fraction $\frac{-450}{100}$, where the numerator represents the amount of money withdrawn (in cents) and the denominator represents the unit of currency used (in this case, 100 cents = 1 dollar).
So, the rational number representing the amount of money withdrawn from Micah's bank account is {-450} / {100}$ = -4.5.
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given the length of a vector and its angle measured from the y-axis, which trigonometric function can be used to calculate its y component?
the sin(Ф) trigonometric function can be used to calculate its y component.
What is vector?
Latin word for "carrier" is "vector." Point A is transported to point B by vectors. The direction of the vector AB is the direction in which point A is moved in relation to point B, and the magnitude of the vector is the length of the line connecting the two points A and B. The terms Euclidean vectors and spatial vectors are also used to refer to vectors. Having both magnitude and direction, vectors are geometrical objects. An arrow pointing in the direction of a vector's magnitude and a line representing the vector's direction can be used to depict a vector. Since they have starting and ending points, vectors are symbolized by arrows.
component of a vector along the y-axis is a product of the length of vector and the sine of the angle of a vector with the x-axis.
the trigonometric function can be used to calculate its y component.
Then sin(Ф) trigonometric function can be used to calculate its y component.
Hence the sin(Ф) trigonometric function can be used to calculate its y component.
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