What is the distance between the points (- 3 2 and 3 5?.
The distance between the two points (-3, 2) and (3, 5) is approximately 6.71 units.
The distance between two points in a plane can be found using the distance formula. The distance formula is given by:
distance = √((x₂ - x₁)² + (y₂ - y₁)²)
where (x₁, y₁) and (x₂, y₂) are the coordinates of the two points.
In this case, the points are (-3, 2) and (3, 5)
So, the distance between the two points is:
distance = √((3 - (-3))² + (5 - 2)²)
distance = √(6² + 3²)
distance = √(36 + 9)
distance = √(45)
distance = 6.7082039
So the distance between the points (-3,2) and (3,5) is approximately 6.71
It is worth mentioning that the distance formula is used to calculate the distance between two points in a 2D space, it is also called the Euclidean distance.
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(c) On average, how fast is the liquid cooling in the first half-hour, in degrees per minute? On average, how fast is it cooling in the second half-hour, in degrees per minute? Round both answers to the nearest hundredth
The evaluation of the average rate of change of the function for the cooling rate of the liquid can be presented as follows;
(c) The rate at which the liquid is cooling in the first half-hour is about 4.15 °F/min
The cooling rate in the second half-hour is about 0.11 °F/min
What is the average rate of change of a function?The average rate of change of a function f(x) between the values, x = a, and x = b, can be found as follows;
Average rate of change = [tex]\frac{f(b) - f(a)}{b - a}[/tex]
(c) The function for the temperature obtained from a similar question posted online is presented as follows;
[tex]T(m) = 128\cdot e^{-0.12\cdot m}+ 74[/tex]
The time duration of the cooling in minutes = m
Therefore, the initial temperature is the temperature at 0 minutes, which indicates that we get;
m = 0, [tex]T(0) = 128\cdot e^{-0.12\times 0}+ 74[/tex] = 202
The initial temperature of the liquid is 202 °FThe temperature of the liquid after 30 minutes, can be found as follows;
[tex]T(30) = 128\cdot e^{-0.12\times 30}+ 74[/tex] ≈ 77.50
The temperature after 30 minutes is about 77.50 °FThe rate at which the liquid is cooling on average in the first half hour therefore, is; Cooling rate = (202 - 77.50)/(30) = 4.15
The liquid cools at a rate of 4.15°F/min in the first half hourThe average cooling rate in the second half hour is found as follows;
After the second half hour, the duration of cooling = 60 minutes
Therefore, we get;
[tex]T(60) = 128\cdot e^{-0.12\times 60}+ 74[/tex] ≈ 74.1
The average cooling rate in the second half-hour is therefore;
(77.50 - 74.1)/(60 -30) ≈ 0.11
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Why does a chemical equation have to follow the law of conservation of mass?
The reason why a chemical equation have to follow the law of conservation of mass is that the mass of the products and the mass of the reactants must be equal.
What is the relationship between chemical equation and law of conservation of mass?Antoine Lavoisier discovered in 1789 that mass is neither created nor destroyed in chemical reactions, which led to the formulation of the Law of Conservation of Mass. To put it another way, the mass of any one element at the start of a reaction will be equal to that element's mass at the end of the reaction. . When the total mass of atoms on both sides of a chemical reaction is equal, the reaction is said to be balanced.
According to the rule of conservation of mass, mass is neither generated nor destroyed during a chemical process. The carbon atom in coal, for instance
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Question content area top
Part 1
The owner of a small store buys coats for $55.00 each. Answer parts a and b.
Question content area bottom
Part 1
a. She sells the coats for $66.00 each. What percent of the purchase price is the sale price?
The sale price is 120120% of the purchase price.
Part 2
b. The owner increases the sale price by the same percent that you found in part a when she buys jackets for $45 and sells them. How many jackets must the owner buy for the total jacket sales to be at least $260? Explain your answer.
The owner must buy enter your response here jacket(s).
Part 1: The percentage of the purchase price to the sale price is 83.3%.
Part 2: The number of jackets the small store owner must sell to make $260 in total sales is 5.
What is the percentage?The percentage refers to the ratio of one value compared to another.
Percentages are computed as the quotients of a numerator divided by the denominator, multiplied by 100.
Purchase price of coats per unit = $55
Selling price per unit = $66
Markup = $11 ($66 - $55) or 20% ($11/$55 x 100)
Margin = 16.7% ($11/$66 x 100)
Percentage of the purchase price to the sales price = 83.3% ($55/$66 x 100) or (100 - 16.7)
b) Cost of jackets per unit = $45
Markup = 20%
Sale price per unit = $54 ($45 x 1.20)
The total expected jacket sales ≥ $260
The number of jackets to sell at $54 each = 5 ($260/54)
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Below are three side lengths. Classify the triangle as acute, right, or obtuse, if possible. (Recall, that the sum of the two smaller sides must be greater than the third side to form a triangle). 20, 21, 29
Answer: Right Triangle
Step-by-step explanation: You can use the Pythagorean Theorem. a^2+b^2=c^2
You test if the equation is true. 21^2 x 20^2 = 29^2 which is 841 = 841
Please help with this math problem!! Will give brainliest!! :)
Answer:
Step-by-step explanation:
Can someone please help me with this math problem? The math problem is in the picture, THANKS! ASAP.
Answer:
y = [tex]\frac{6}{4}[/tex] or [tex]\frac{3}{2}[/tex]
Step-by-step explanation:
Since we are given x=1, we can plug that into the equation given:
-4y + [tex]\sqrt[3]{1}[/tex] = -6(1) + [tex]1^{2}[/tex]
-4y + 1 = -6 + 1
-4y = -6
y = [tex]\frac{-6}{-4}[/tex]
y = [tex]\frac{6}{4}[/tex] or [tex]\frac{3}{2}[/tex]
Interior wall of a reidence conit of a 2 × 4 (31/2") with 1/2" heetrock on both ide. Exterior wall are 2 × 6 (51/2") contruction with 1/2" heetrock on the interior and 7/16" heeting with 35/8" brick on the exterior. Determine the outide dimenion of a houe if there are two interior room with an interior wall. One room dimenion i 11' 3", Room 2 dimenion i 15' 7". How do I olve thi?
The outside dimensions of the house are 11' 9" x 15' 11".
To determine the outside dimensions of the house, we need to take into account the thickness of the interior and exterior walls.First, we'll calculate the thickness of the interior walls. The interior walls are made of 2x4 (31/2") lumber with 1/2" drywall on both sides.
This means that each interior wall adds an additional 3 1/2" + 1/2" + 1/2" = 4 1/2" to the overall width and height of the house. Next, we'll calculate the thickness of the exterior walls. The exterior walls are made of 2x6 (51/2") lumber with 1/2" drywall on the interior and 7/16" siding with 35/8" brick on the exterior.
This means that each exterior wall adds an additional 5 1/2" + 1/2" + 7/16" + 3 5/8" = 8 11/16" to the overall width and height of the house. To calculate the outside dimension of the house, we will add the thickness of the interior and exterior walls to the dimensions of the interior rooms.
The outside dimension of the house will be:
Width = 11' 3" + 4 1/2" + 8 11/16" = 11' 9"
Height = 15' 7" + 4 1/2" + 8 11/16" = 15' 11"
So the outside dimensions of the house are 11' 9" x 15' 11".
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Question
The interior wall of a residence consists of a 2 × 4 (31/2") with 1/2" sheetrock on both sides. Exterior walls are 2 × 6 (51/2") construction with 1/2" sheetrock on the interior and 7/16" sheeting with 35/8" brick on the exterior. Determine the outside dimension of a house if there are two interior rooms with an interior wall. One room's dimensions I 11' 3", and Room 2 dimensions I 15' 7". How do I solve this?
An airplane is 45 miles from the end of the runway, AB, and 9 miles high, AC, when it approaches the airport. What is the distance from the airplane to the end of the runway?
The distance from the airplane to the end of the runway will be 45.89 miles.
What is a Pythagoras theorem?The Pythagoras theorem states that the sum of two squares equals the squared of the longest side.
The Pythagoras theorem formula is given as
H² = P² + B²
An airplane is 45 miles from the end of the runway, AB, and 9 miles high, AC, when it approaches the airport. Then the triangle ABC is a right-angle triangle. Then we have
AC² = AB² + BC²
AC² = 45² + 9²
AC² = 2025 + 81
AC² = 2106
AC = 45.89 miles
The distance from the airplane to the end of the runway will be 45.89 miles.
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Use a formula to find the surface area of the square pyramid?(H.6ft.)(W.3ft.)(L.3ft.)
A. 45 ft
B. 81 ft
C. 36 ft
D. 72 ft
The surface area of the square pyramid is 45.
What is the formula for square pyramids?A square pyramid in geometry is a pyramid with a square base. It is a right square pyramid with C4v symmetry if the apex is perpendicular to and above the square's centre. It is an equilateral square pyramid, the Johnson solid J1, if all edge lengths are equal.The term "square pyramid" refers to a three-dimensional geometric form with a square base and four triangular faces or sides that meet at a single point (known as the vertex). Because it has five faces, it is referred to as a pentahedron.These are the Square Pyramid formulas: Square Pyramid Base Area = b. A square pyramid's surface area is equal to 2 b s + b. A square pyramid's volume is equal to frac (1/3) b2 h.Given data :
H = 6ft.)
W = 3ft
L = 3ft.
2 × b × s +b. Volume of a Square Pyramid
= 45ft
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Which ordered pair lies on the graph of the exponential function f(x)=2^(x+4)−8?
(8,0)
(2, 12)
(-2,-4)
(1, 99)
The point that lies on the graph of the exponential function:
f(x) = 2^(x + 4) - 8
is (-2, -4)
Which of the ordered pairs lies on the exponential function?Here we have the exponential function:
f(x) = 2^(x + 4) - 8
And we want to see which one of the given points lies on the graph of the exponential function.
To check that, we just need to replace the variable x by the first value of the ordered point and see if the function is equal to the second value.
For example, for the second point^(2, 12) we will get:
x = 2
f(2) = 2^(2 + 4)- 8
f(2) = 2^6 - 8 = 56
So we have the point (2, 56)
Now for the point (-2, -4) we will get:
f(-2) = 2^(-2 + 4) - 8
f(-2) = 2^2 - 8 = -4
So we have the point (-2, -4), this is the correct option.
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If
FH
and
IK
are parallel lines and mIJG = 125°, what is mKJG?
°
Applying the linear pair theorem, the measure of angle KJG is: 55°.
What is the Linear Pair Theorem?According to the linear pair theorem, if two angles lie on a straight line, they form a pair of angles whose sum is equal to 180 degrees.
In the image attached below, angles IJG and KLG are both angles on a straight line, and ate therefore equal to 180 degrees when added.
This:
Measure of angle IJG = 125°
m<KLG = 180 - m<IJG
m<KLG = 180 - 125
m<KLG = 55°
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The grocery store has 1 1/4 times as many cashiers in late afternoon than in the morning. If there are 20 cashiers at 10:00 am, how many would there be at 4:00 pm?
Answer:
25 cashiers
Step-by-step explanation:
To solve this, you can multiply the number of cashiers at 10:00 am (20) by 1 1/4, which is the same as multiplying by 5/4.
20 x 5/4 = 25
So, there are 25 cashiers at 4:00 pm.
You can confirm this by dividing 25 by 5/4 to see if it equals 20:
25 * 4/5 = 20
Therefore, there are 25 cashiers at 4:00 pm.
P.t 2 to Cho’s logo
Please help!!
the height of the stamp is 2/5in.
What is a fraction?
If the numerator is bigger, it is referred to as an improper fraction and can also be expressed as a mixed number, which is a whole-number quotient with a proper-fraction remainder.
Any fraction can be expressed in decimal form by dividing it by its denominator. One or more digits may continue to repeat indefinitely or the result may come to a stop at some point.
Given that stamp of Height is 3in with 4 1/2 in width.
So 9/2 of width = 3 Height
1 of width = 3/(9/2) Height
So for 3/5 in wide = 3/5* 3/(9/2) = 2/5in
Hence the height of the stamp is 2/5in.
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At a fair, 500 pounds of mixed candy was sold for $192.50. If part of the candy mixture was candy corn and was worth $0.35 per pound and the other part of the candy was candy pumpkins worth $0.40 per pound, how many pounds of each were in the mixture?
Answer:
There are 150 pounds of Candy Corn and 350 pounds of Candy Pumpkins in the mixture.
A chef bought 1.48 kilograms of almonds and 8.74 kilograms of pecans. How many kilograms of nuts did the chef buy in all?
I need help!!
Answer:
10.22 kilograms
Step-by-step explanation:
you do 1.48+8.74=10.22
The chef bought 10.22 kilograms of nuts in total.
To find the total amount of nuts the chef bought, we add the number of almonds to the number of pecans:
1.48 kg + 8.74 kg = 10.22 kg
So the chef bought 10.22 kilograms of nuts in total.
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After a long night of begging for candy, I ended up having a decent stash of Almond Joys and Kit Kals in the ratio of 5:3. If had 40 Almond Joys, how many Kit Kats did I have?
The 5:3 (5 to 3) ratio of the number of Almond Joys candy to Kit kats candy, and the 40 Almond Joys candies stashed, indicates that the number of Kit kandies also received are 24 Kit Kats candies.
What is a ratio?A ratio is an indication of the number of times one quantity is contained within another item.
The ratio of the Almond Joys to the Kit Kats = 5 : 3
The number of Almond Joys obtained = 40
The number of Kit Kats obtained can be found as follows;
The number of Almond Joys received for every 3 Kit Kats received = 5
Let x represent the total number of candies collected, we get;
[tex]\frac{5}{5+3} \times x = 40[/tex]
Therefore;
5·x = 40 × (5 + 3) = 320
x = 320 ÷ 5 = 64
The total number of candies collected = 64
The number of Kit Kats = The total number of candies collected - The number of Almonds Joys received
Therefore; The number of Kit Kats received = 64 - 40 = 24
The number of Kit Kats received = 24 Kit Kats
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You will have 24 Kit Kats based on the information given.
How to determine how many Kit Kats?A ratio is defined as the comparison of two or more quantities that indicates their sizes in relation to each other.
From the information, after a long night of begging for candy, the person ended up having a decent stash of Almond Joys and Kit Kals in the ratio of 5:3.
Since Almond Joys and Kit Kats are in the ratio of 5:3 and you had Almond Joys. Let K represent the number of Kit Kats. Then we have:
5 : 3 = 40 : K
5/3 = 40/K
5K = 3 × 40
5K = 120
K = 120/5
K = 24
Thus, you will have 24 Kit Kats
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What is the value of x Power 0 if x 0?.
Answer: 1
Step-by-step explanation:
What is the factored form of the following expression 9x² 30x 25?.
Yes, the trinomial 9z 30z + 25 is a perfect square. The square of the binomial equation can be used to construct a perfect square trinomial statement.
A trinomial of the form + bz + c is said to be a perfect square if and only if it satisfies the condition b = 4ac.In a perfect square trinomial, two of your words will be perfect squares. If two perfect square terms are absent, the trinomial is not a perfect square trinomial.
It is now necessary to calculate the square roots of each perfect square word, add the two square roots, and multiply the result by two. The square of this trinomial is perfect. Because both 922 = (3ae)° and 25 = 52 are perfect squares, the only thing left to decide is if the middle term matches when you square (3x-5).In order to at least produce a negative coefficient for the middle phrase, the minus sign was utilised.
Complete question:
What does the following equation, 9x2 30x 25, look like factored? . Is the trinomial 9x2 30x25 a perfect square?
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Without using a calculator, determine between which two integers the following surds lie (1) √5 (2)√1 (3)√107 (4)√3
Between these two integers the following surds lie
(1) √5 = 1-5
(2)√1 = 1-2
(3)√107 = 1-107
(4)√3 = 1-3
How to determine the two integers?There are two simple steps to surd simplification:
Split the number within the root into its prime factors. √50=√(5×5×2)
Based on the root write the prime factors, outside the root. In case of square root, write one factor outside the root, for every two similar factors within the root.
√18+√50.
Root of any whole number must always be greater than 1 as
√1 = 1
√2 = 1.41 > 1
Therefore, Between these two integers the following surds lie
(1) √5 = 1-5
(2)√1 = 1-2
(3)√107 = 1-107
(4)√3 = 1-3
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Isabella invested a certain amount of money at an
interest rate of 8%. At the end of the year, she had
$2592.
How much did she invest to start?
Diego is solving the inequality 100 - 3x < -50.He first solves the equation and sees
that x = 50. Explain how Diego can use this information to find the solution to the inequality. Be sure to include the correct solution in your answer.
The solution of the inequality is x < -50.
And we can use the substitution method to find the solution of the inequality.
What is an inequality?
In mathematics, "inequality" refers to a relationship between two expressions or values that are not equal to each other. To solve the inequality, you may multiply or divide each side by the same positive number, add the same amount to each side, take the same amount away from each side, and more. You must flip the inequality sign if you multiply or divide either side by a negative number.
Given:
An inequality 100 - 3x < -50.
Diego first solves the equation and sees that x = 50.
So, substituting the value of x to the inequality.
100 - 3(-50) < -50.
100 - 150 < -50
-50 < -50.
To find the solution of the inequality:
100 - 3x < -50.
-3x < -50 -100
x < - 50
Therefore, the solution of the inequality is x < -50.
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Use a table to find the break-even point.
C= 15x + 150
R = 45x
The break - even point is 5.
What is the break-even point?C=15x + 150
R=45x
Here, C = R
15x + 150 = 45x
30x = 150
x = 5
The break - even point is 5
The break-even point, or BEP, is typically the point where gains and losses are equal.The BEP is the point in a business where income and expenses are equal. There is currently no profit. Knowing and achieving the BEP is the first significant step for a firm in building a successful enterprise. At this stage, there is neither a profit nor a loss because the earnings are equal to the costs incurred to produce them. When revenue equals expenses and profit is equal to zero, this is the break-even point. The revenue left over after deducting the revenue from the variable costs incurred during unit production is known as the contribution margin. Here, The R = C = 45*5= 225
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What is multiplication and addition theorem explain with suitable examples?.
The multiplication theorem of probability is if and be two events associated with the sample space . Then, (∩) = ()⋅() and the addition theorem of probability is For two mutually exclusive events ,
(or ) = () + ().
According to the multiplication theorem of probability, the probability of both events and occurring is equal to the product of the probability of occurring and the conditional probability of event occurrence if event happens.
Let and are two events associated with the sample space . ∩ gives the simultaneous occurrence of two events and
We know that the conditional probability of the event given that has occurred is given by (∣) and is given by
(∣) = (∩)(), () ≠ 0
We can write the above equation as
(∩) = (∣)⋅()⋯()
Also, we can write
(∣) = (∩)(), () ≠ 0
(∩) = (∣)⋅()
Combining () and (), we can write
(∩) = (∣)⋅() = (∣)⋅(), where (),() ≠ 0
According to the addition theorem, if two events and , are mutually exclusive, the probability of either or occurring is the total of the individual probabilities of and .
Let event happen in ways, and event happen in ways. Then the total number of happening of events is , which is = +
Thus, the probability of events happening is given by (or ).
By the definition of probability,
() = / and () = /
Adding,
() + () = / + / = + / = / = 1
Therefore,
(or ) = () + ()
--The given question is incomplete; the complete question is
"What is the multiplication and addition theorem of probability? Explain with suitable examples."--
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What is co-prime Class 10?.
A set of numbers is co-prime numbers if and only if these have only one common factor i.e., one.
Co-Prime Numbers are a set of numbers where the common factor between them is 1. This means that the HCF or highest common factor should be 1 for these numbers. Co-prime numbers are also referred to as "relatively prime numbers". This means that if we consider x and y to be the set of co-primes, then the only common factor between the two numbers is 1. The properties of co-primes are :
Every prime number is co-prime to each other.Any two consecutive numbers are always Co-prime.Consider a set of two numbers : 16 and 15 The factors of 16 are 1, 2, 8 and 16. The factors of 15 are 1, 3, 5 and 15. The common factor of 16 and 15 is only 1. So 16 and 15 are Co-prime numbers.
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Complete question:
What are co-prime numbers?.
How can we find log 7?.
The logarithm of a number with respect to a base is the exponent to which the base must be raised to produce that number. In other words, log_b(x) = y means b^y = x.
To find log_7(x), we can use the change of base formula which is log_b(x) = log_c(x) / log_c(b).
So you can use the logarithm of base 10 (common logarithm) or base e (natural logarithm) and use the above formula to find log7
So for example, log7(49) = log10(49) / log10(7) or log7(49) = ln(49) / ln(7)
You can use a calculator or a logarithm table to find the result.
--The question is incomplete, answering to the question below--
"How can we find log₇(x)?"
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40 women can do a piece of work in 60 days working 9 hours a day.how many more women should be added in order to do the same work in 48 days working 10 hours a day
Answer:
To complete the same work in 48 days working 10 hours a day, 40 additional women must be added. This is calculated by multiplying the number of days (60) by the number of hours worked per day (9) and dividing it by the number of days required (48) multiplied by the number of hours worked per day (10). This gives a total of 80 women.
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How do you solve a 3 4 5 triangle?.
To solve the 3 4 5 triangle method to find the sides of the right-angle triangle we use the Pythagoras theory.
One type of triangle that has one right (90°) angle is a right triangle.
The Greek mathematician Pythagoras is credited with creating a mathematical formula for calculating the length of the third side of a right triangle given the lengths of the other two sides.
The triangle's right angle is formed by the sides of variables a and b. Either side may utilize either variable. The side that is left, or the side that leans away from the right angle, is represented by the variable c. The hypotenuse, or side c, is the longest side and is always present.
Thus, To solve the 3 4 5 triangle method to find the sides of the right-angle triangle we use the Pythagoras theory.
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STUV is a parallelogram. Solve for SV:
S
SV =
19
T
4x - 1
2x + 3
U
Answer:
SV = 13
Step-by-step explanation:
• the opposite sides of a parallelogram are congruent , so
UV = ST , that is
4x - 1 = 19 ( add 1 to both sides )
4x = 20 ( divide both sides by 4 )
x = 5
Then
TU = 2x + 3 = 2(5) + 3 = 10 + 3 = 13
SV = TU = 13
Miguel went for a drive in his new car. He drove at a speed of 53 miles per hour for 84.8 miles. For how many hours did he drive?
Miguel takes 1.6 hours to cover the distance of 84.8 miles with the given speed of 53 miles per hour.
What is speed?Speed is defined as when an object is in motion, the distance covered by that object per unit of time is called speed.
here,
In the question, we are given a speed = 53 miles per hour and the distance traveled with the given speed is 84.8 miles, we have to determine the time for the same distance.
We know that,
Speed = distance/time
Speed = 84.8 / 53
Speed = 1.6 hours
Thus, the required time evaluated is 1.6 hours.
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