Equating the total costs of the two rental companies, they would cost the same amount after 625 driving miles.
What is an equation?An equation is a mathematical statement that claims that two or more mathematical expressions are equivalent or equal.
Equations use the equation symbol (=) to depict the equality of the expressions.
Company A Company B
Fixed rental charge $75 $100
Rental charge per mile $0.07 $0.03
Let the number of miles driven = m
Equations:Total cost of Company A's rental = 75 + 0.07m
Total cost of Company B's rental = 100 + 0.03m
For the cost to be the same, 75 + 0.07m = 100 + 0.03m.
Solving for m:
75 + 0.07m = 100 + 0.03m
0.07m - 0.03m = 100 - 75
0.04m = 25
m = 625
Thus, for the two car companies' rental cost to be the same amount, one would rent a car for 625 miles.
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4. (20 pts) suppose four people are lining up for a photo. does this situation represent a combination or a permutation? explain. how many different ways are there for the four people to line up for the photo?
The required number of ways are 24 and the situation is permutation.
What is permutation?An arrangement of items in a specific order is referred to as a permutation. Here, the components of sets are arranged in a linear or sequential order. For instance, the set A=1,6 has a permutation of 2, which is 1,6,1.
According to question:It depicts a permutation since the order of the people in this situation matters.
According to the number of ways, the first position can be filled by four people, the second by three (because the first position has already been taken by one person), the third by two, and the fourth by one.
This results in 4321 = 4! = 24 ways as the total number of ways.
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Solve the equation -9v – 9 = -27 for v.
A. -1
B. 1
C. 2
D. 4
Answer:
c. 2
Step-by-step explanation:
The valueof v
-9v - 9 = -27
= -9v = -27 + 9
= -9v = -18
= -9v/-9 = -18/-9
v = 2.
Note: negative will cancel negative.
Draw a longitudinal/compression wave and label the compressions, rarefactions, and wavelength. How do the particles in a longitudinal wave move?
Longitudinal waves are waves where the displacement of the medium is in the same direction as the direction of the travelling wave.
The distance between the centres of two consecutive regions of compression or the rarefaction is defined by wavelength, λ. When the compression and rarefaction regions of two waves coincide with each other, it is known as constructive interference and if the regions of compression and rarefaction do not coincide, it is known as destructive interference.
Compression
In a longitudinal wave, compression is a region in which the particles of the wave are closest to each other.
Rarefaction
Rarefaction in a longitudinal wave takes place when the particles are farthest apart from each other.
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Why is the square root of 13 in decimal form an unacceptable answer for distance?
The square root of 13 in decimal form is an non-terminating non-recurring decimal
What is an infinite non-recurring decimal ?A decimal number that never ends and never repeats itself is known as a non-terminating, non-repeating decimal.
Such decimals are irrational numbers since they cannot be expressed as fractions.
Examples. Pi is a decimal that doesn't end or repeat.
Since the square root of 13 will result to infinite number the number cannot fully reach the required value but an approximate
Because of this the decimal form of he square root of 13 will lack accuracy
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Directions: Use the Law of Sines to find each missing side or angle. Round to the nearest tenth.
Question 9
[tex]\frac{\sin x}{23}=\frac{\sin 27^{\circ}}{11}\\\\\sin x=\frac{23\sin 27^{\circ}}{11}\\\\x \approx 71.7^{\circ}, 108.3^{\circ}[/tex]
Both of these cases satisfy the angle sum of a triangle.
Question 11
[tex]\frac{\sin x}{27}=\frac{\sin 74^{\circ}}{26}\\\\\sin x=\frac{27 \sin 74^{\circ}}{26}\\\\x \approx 86.6^{\circ}, 93.4^{\circ}[/tex]
Both of these cases satisfy the angle sum of a triangle.
a 20-foot ladder is set up 5 feet from the base of a building. how far up the building does the ladder reach?
The ladder will reach 15 feet length up the building.
1. The ladder is 20 feet long
2. The ladder is set up 5 feet from the base of the building
3. Subtract the 5 feet from the length of the ladder (20 feet)
4. The answer is 15 feet
The 20-foot ladder is set up 5 feet from the base of the building. To calculate how far up the building the ladder reaches, we need to subtract the 5 feet from the length of the ladder. The answer is 15 feet. This means the ladder will reach 15 feet up the building (5 feet from the base). This can also be visualized by imagining that the remaining 15 feet of the ladder is being used to reach up the building. The 5 feet of the ladder not used to reach up the building is used to support the ladder on the ground.
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A container built for transatlantic shipping is constructed in the shape of a right rectangular prism. Its dimensions are 10.5 ft by 7 ft by 10 ft. If the container is entirely full and, on average, its contents weigh 0.24 pounds per cubic foot, find the total weight of the contents. Round your answer to the nearest pound if necessary.
Answer: 3062 pounds
Step-by-step explanation: 10.5x7x10 is 735 and divided by 0.24 is 3062.2 pounds rounded to 3062
Here is a list of five numbers.
14,
15,
16,
17,
18,
From the list,
write down the prime number,
=
write down the square number.
=
Answer:
Prime number - 17
Square number - 16
Step-by-step explanation:
Ok, so a prime number is a number with no factors other than 1 and the number itself.
14 = 2 x 7
15 = 3 x 5
16 = 4 x 4
17 = 1 x 17
18 = 3 x 6
So, every number here except 17, has three or more factors,.
So, the prime number here is 17.
If you look at 16, you see that 16 = 4 x 4
A square number means that it has a whole number, which when multiplied to itself, gets you that number.
So, 16 is the required square number
Thanks
Find a basis for the space of 2x2 diagonal matrices:
The team plots alternatives on a two by two matrix using the 2x2 Matrix decision support technique. The matrix diagram is a straightforward square divided into four equal quadrants, sometimes known as a four blocker or magic quadrant. A decision criterion, such as cost or effort, is represented by each axis.
A diagonal matrix in linear algebra is a matrix with all zero entries outside of the primary diagonal; the word typically applies to square matrices. The major diagonal's components can either have zero or nonzero elements.
The redundant column vectors are all taken out of the kernel when determining the basis of a matrix, leaving only the linearly independent column vectors. A basis is therefore merely the sum of all the linearly independent vectors.
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Find x (5x-37)=(3x+1)
Answer:
x = 19
Step-by-step explanation:
5x - 37 = 3x + 1 (move over the 3x by subtracting)
2x - 37 = 1 (move over the 37 by adding)
2x = 38 (divide both sides by 2)
x = 19
x=19
Step-by-step explanation:
(5x-37) = (3x+1)
5x - 3x = 1 + 37
5x - 3x = 38
2x = 38
x = 19
diedre has a litter of 888 new puppies in a basket. the weight of the basket and the puppies combined is 2{,}9772,9772, comma, 977 grams. the weight of the basket alone is 1{,}0771,0771, comma, 077 grams. estimate the weight of each puppy if all the puppies weighed the same amount.
Each puppy would weigh approximately 2.13 grams if all the puppies weighed the same amount.
To estimate the weight of each puppy, we need to subtract the weight of the basket from the total weight of the basket and puppies to find the total weight of the puppies.
Total weight of puppies = Total weight of basket and puppies - Weight of basket alone
= 2,977 - 1,077 = 1,900 grams
Then we divide the total weight of the puppies by the number of puppies to find the weight of each puppy:
Weight of each puppy = Total weight of puppies / Number of puppies
= 1,900 / 888
= approximately 2.13 grams
Each puppy would weigh approximately 2.13 grams if all the puppies weighed the same amount.
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If j = h and k = m, then which expression represents the value of g? triangle acb, point e is on segment ac between points a and c and point d is on segment bc between points b and c, creating segment ed, ce equals h, ea equals j, cd equals k, db equals m, ed equals g, and ab equals f g equals f over 2 g = 2f g equals j over h g equals k over m
By using The Pythagoras theorem, the expression g = f/2 represents the relationship between g and f if j = h and k = m option (A), i.e. g = 1/2 is correct.
Pythagoras theorem:
The Pythagorean Theorem, also known as the Pythagorean Theorem, describes the relationship between the three sides of a right triangle. According to the Pythagorean theorem, the square of the hypotenuse equals the sum of the squares of the other two sides of the triangle. If AB and AC are the sides and BC is the hypotenuse of the triangle then BC2 = AB2 + AC2 .where AB is the base, AC is the height or altitude and BC is the hypotenuse.
The area of the square formed by the longest sides (hypotenuses) of right-angled triangles is equal to the sum of the areas. The number of squares formed by the other two sides of a right triangle. In a right triangle, the formula for the Pythagorean theorem is expressed as:
c² = a² + b²
where
'c' = hypotenuse of a right triangle
'a' and 'b' are the other two legs.
In the question:
It is given that:
If j = h and k = m
From the given question, C is a right-angle triangle as j = h and k = m
From the definition of the Pythagoras theorem, the square of the hypotenuse is equal to the sum of the squares of the other two sides
h² +k²= g²
From the triangle ΔABC
(j + h)² +(m + h)² = f²
⇒ (h + h)² +(k+ k)² = f²
⇒ (2h)² +(2k)²= f²
⇒ 4h²+ 4k² = f²
⇒ 4(h²+k²) = f²
⇒ 4×g² = f²
⇒ (2g)² = f²
⇒ 2g = f
⇒ g = f/2
Thus, the expression g = f/2 represents the relationship between g and f if j = h and k = m option (A) is correct.
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-7=s+-13 please help me solve for s
Answer: s=6
Step-by-step explanation: so you have -7=s+(-13)
simplify: -7=s-13
add 13:
In the figure shown, if J, P, and L are the midpoints of KH, HM, and MK, respectively, find the values of x, y, and z.
Since J, P, and L are the midpoints of KH, HM, and MK, respectively, the values of x, y, and z are as follows;
x = 4.75.
y = 6.
z = 1.
What is the centroid theorem?In Geometry, the centroid theorem states that the centroid of a triangle is located at two-third (2/3) of the distance from the vertex to the midpoint of the (opposite) sides.
Generally speaking, the centroid of a triangle simply refers to the point where the three (3) medians of the triangle meet or intersect. By applying the centroid theorem to triangle KHM (ΔKHM);
Side HQ = 2/3(LH)
y = 2/3(3 + y)
3y = 2(3 + y)
3y = 6 + 2y
y = 6.
Side KQ = 2/3(KP)
7 = 2/3(7 + 2x - 6)
21 = 2(1 + 2x)
10.5 = 1 + 2x
2x = 9.5.
x = 4.75.
Side QM = 2/3(JM)
4 = 2/3(2z + 4)
12 = 2(2z + 4)
6 = 2z + 4
2z = 2.
z = 1.
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Mrs. Ramirez is planning a family reunion and deciding where to buy food and drinks. She considers the information below. She expects 96 family members to attend. How much would it cost to buy 96 hotdogs purchased from Value Market? Show your work.
b) How much would 96 hotdogs cost from Sammy's Bulk Store? Show your work. Which store offers the better buy for bottled water? Explain your reasoning HELP ME PLEASE<3
a) The cost for 96 hotdogs from Value Market = $94.04.
b) The cost for 96 hotdogs from Sammy's Bulk Store = $75.84.
How did we get the values?a) The cost for 96 hotdogs from Value Market would be $96 x $0.99/hotdog = $94.04.
b) The cost for 96 hotdogs from Sammy's Bulk Store would be $96 x $0.79/hotdog = $75.84.
For bottled water, Sammy's Bulk Store offers the better buy, with $0.69/bottle, compared to Value Market's $0.99/bottle. The reasoning is that Sammy's Bulk Store has a lower price per bottle of water.
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Can 1 right and 2 acute form a triangle?
Answer:
no
Step-by-step explanation:
a triangle can never only have acute sides. The other sides will either be: obtuse or a right angle.
Lebron's foul shooting average is 55%. If he shot 75 foul shot 75 foul shots, how many would he make ?
Lebron would make 41 foul shots.
The formula used to calculate the number of made foul shots is Number of Made Foul Shots = Foul Shooting Average * Number of Shots Attempted.
Therefore, the number of made foul shots for Lebron is 55% * 75 = 41.25. Since this is a decimal number, we can round it down to 41 made foul shots.
In calculation way, Lebron would make 41 foul shots. This can be calculated by multiplying his foul shooting average 55% with the number of shots attempted, which is 75. 55% can also be written as 0.55, so the equation can be written as 0.55 * 75 = 41.25 which rounds down to 41.
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Hi, who can give me the answer of these exercises I need it for tomorrow it is urgent thx for the people who will give me the answers.
The unknown values are ∠ACE = 64.5°, ∠PRQ = 90°, ∠AOC = 40° and ∠a = 50° along with question no. 2, ∠B = 105°, all solved using angle sum property.
What is angle sum property?
When three line segments intersect at three different angles, the result is a figure known as an Angle Sum Triangle. Triangles always contain a total of 180 degrees of angles.
Any triangle's angles add up to 180 degrees, according to the Angle Sum Triangle Theorem. By applying fundamental geometry concepts, this theorem can be demonstrated. Obtuse, right, or acute angles can all be found in triangles.
Triangle-related issues can be resolved using the Angle Sum Triangle theorem, a crucial geometry theorem. It can be used to gauge a triangle's angle sizes or to establish whether it is acute, right, or obtuse.
A)
∠ABC =∠BCA
∠BAC + ∠ABC + ∠BCA = 180
55 + 2∠ABC =
2∠ABC = 180 - 55
2∠ABC = 125
∠ABC =∠BCA = 75.5
100 + 2∠ECD = 180
∠ECD = 40
∠ACE = 180 - 75.5+40
∠ACE = 64.5°
B) ∠PRQ = 90° any triangles one side crosses through centre then the opposite angle is 90°.
C) ∠AOC = 40° when inside a circle, the angle on centre is double the angle touching the circumference
D) ∠a = 360 - 90 + (180-60) + (180-80)
∠a = 50°
2. The value of angle be can be calculated using angle sum property of triangle i.e.
(x+5) + 3x + x = 180
5x + 5 = 180
5x = 175
x = 175/5
x = 35
∠B = 3(35)
∠B = 105°
Thus, the unknown values are ∠ACE = 64.5°, ∠PRQ = 90°, ∠AOC = 40° and ∠a = 50° along with question no. 2, ∠B = 105°.
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what is the probability that a randomly selected three-digit number has the property that one digit is equal to the product of the other two? express your answer as a common fraction.
The probability of selecting a three-digit number with the property that one digit is equal to the product of the other two is 1/90.
1/90
The probability of selecting a three-digit number with the property that one digit is equal to the product of the other two is 1/90. This is because there are only 9 possible digits (1, 2, 3, 4, 5, 6, 7, 8, 9) to choose from, and each of these digits can be multiplied by itself twice to give 9 possible combinations. Therefore, there are 9 three-digit numbers that satisfy the given condition, and these 9 numbers can be chosen from a total of 900 three-digit numbers (10 x 10 x 10 = 1000, minus the 100 numbers beginning with 0). Thus, the probability of selecting a three-digit number with the property that one digit is equal to the product of the other two is 9/900, which can be simplified to 1/90.
The probability of selecting a three-digit number with the property that one digit is equal to the product of the other two is 1/90.
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The interquartile range is used as a measure of variability to overcome what difficulty of the range?Choose one answer.a. the range is influenced too much by extreme valuesb. the sum of the range variances is zeroc. the range is difficult to computed. the range is negative
The interquartile range is a useful tool for measuring variability in a set of data because it overcomes the difficulty of the range being influenced too much by extreme values
The interquartile range is a measure of variability that is commonly used in statistics to describe the spread of a set of data. It is particularly useful because it overcomes the difficulty of the range being influenced too much by extreme values.
In mathematical terms, the interquartile range is defined as the difference between the upper quartile (Q3) and the lower quartile (Q1).
The upper quartile represents the 75th percentile of the data and the lower quartile represents the 25th percentile of the data.
This means that 25% of the data falls below the lower quartile and 75% of the data falls above the upper quartile.
The interquartile range provides a better representation of the spread of the data because it eliminates the influence of extreme values.
These values, also known as outliers, can have a significant impact on the range and can make it appear as though the data is more spread out than it actually is.
By using the interquartile range, the outliers are excluded and a more accurate representation of the spread of the data is obtained.
Therefore, option (a) is correct.
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Line q passes through points (10, 9) and (4, 2). Line r passes through points (8, 8) and (2, 1). Are line q and liner parallel or perpendicular?
Answer: Parallel
Step-by-step explanation:
To solve this question, we need to find the slopes of both lines q and r.
First, let's find the slope of line q.
Δx/Δy=-7/-6 = 7/6
Next, the slope of line r.
Δx/Δy=-7/-6 = 7/6
Both lines have the same slope.
Therefore, they are parallel.
the 25 students in the psychology class take a 20-point quiz. five of the students each obtained a score of 10 on the quiz, ten students each obtained a score of 15, and ten students each obtained a perfect scores of 20. what would be the mean of these scores? question 25 options: a) 14 b) 18 c) 12 d) 16
The mean of these scores is 16.
The mean is a measure of central tendency that indicates the average value of a set of data. It is calculated by adding up all of the individual values in a dataset and dividing that sum by the number of values in the dataset. In mathematical terms, the mean is represented by the symbol "µ" (mu) and is calculated as:
µ = (sum of all observations) / (number of observations)
To find the mean of these scores, you would add up all of the individual scores and divide by the total number of scores.
First, we find the total score of the 5 students who scored 10: 5 students * 10 points/student = 50 points
Then, we find the total score of the 10 students who scored 15: 10 students * 15 points/student = 150 points
Then, we find the total score of the 10 students who scored 20: 10 students * 20 points/student = 200 points
Now we add all the total scores of students: 50+150+200 = 400 points
Finally, to find the mean score, we divide the total score by the number of students: 400 points / 25 students = 16 points/student.
Therefore, the mean of these scores is 16.
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Pls Help Pls
Math homework is very hard
The equation of the piecewise function is:
{ 5/3(x), -4 ≤ x≤ -1
f(x) = { 2, -1 ≤ x ≤ 3
{-2, 3 ≤ x ≤4
How to write an equation for the piecewise function?A piecewise function is a function that is defined by multiple sub-functions, each of which applies to a certain range of the input (or domain) values.
In the graph, we have five points with coordinates (-4, -3), (-1, 2), (3, 2), (3, -2) and (4, -2)
To find the f(x) for (-4, -3) to (-1, 2):
First, find the slope using slope = (y2-y1)/(x2-x1)
Slope = (2-(-3)) / (-1-(-4)) = 5/3
f(x) = 5/3(x)
For (-1, 2) to (3, 2):
f(x) = 2
For (3, -2) to (4, -2):
f(x) = -2
Therefore, the equation of the piecewise function will be:
{ 5/3(x), -4 ≤ x ≤ -1
f(x) = { 2, -1 ≤ x≤ 3
{-2, 3 ≤ x ≤ 4
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Find the average rate of change of h (x) = -2x²-3x from x=2 to x = 4. Simplify your answer as much as possible.
we organize a knock-out tournament among four teams, a, b, c and d. first two pairs of teams play each other, and then the two winners play in the final. (a) in how many different ways can we set up the tournament? (we only care about which teams play with each other in the first round.) (b) how many different outcomes does the tournament have? the outcome describes the pairs that play in each of the three games (including the final), and the winners for all these games.
There are 6 different ways to set up the tournament.
We can make two pairs of teams (a,b and c,d) and then arrange each pair in two different ways (ab, cd and cd, ab). Thus, there are a total of 6 combinations.
(b) There are 8 different outcomes for this tournament. Each pair of teams (a,b and c,d) can play in either the first or second round, and each team can either win or lose. We can calculate the number of outcomes by multiplying the different combinations of the first round (6) with the number of outcomes in the second round (2x2). Therefore, total number of outcomes = 6x2x2 = 8.
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258.53 in expanded form please help
Answer:
200 + 50 + 8 + 0.5 +0.03 = 258.53
The following data give the speeds of 13 cars, measured by radar, traveling on I-84. 73 75 70 68 78 70 74 77 72 80 65 77 71 Find the values of the three quartiles and the interquartile range.
The three quartiles is the value of Q₂ [Median] is 73 (on the 7th value), The value of Q₁ is 70 (the 3.5th value), The value of Q₃ is 77 (is the 10.5th value). and Interquartile range = Q₃ - Q₁ = 77 - 70 = 7
What is three quartiles?A quartile is a particular kind of quantile that splits the total number of data points into four roughly equal portions, or quarters. Quartiles are a type of order statistic since they require the data to be arranged from smallest to largest in order to be computed.
The median of the data set is the number in the midpoint between the smallest number (minimum) and the first quartile (Q1).
The median of a data set is known as the second quartile (Q2).
The median value and the highest value (maximum) in the data set are the two values that make up the third quartile (Q3).
To find the quartiles, first, we need to put the data in ascending order.
65, 68, 70, 70, 71, 72, 73, 74, 75, 77, 77, 78, 80
The value of Q₂ [Median] is on the 7th value, which is 73
The value of Q₁, the lower quartile, is the 3.5th value [(3rd value+4th value)/2] , which is 70
The value of Q₃, the upper quartile, is the 10.5th[(10th value+11th value)/2] value, which is 77
and
Interquartile range = Q₃ - Q₁ = 77 - 70 = 7.
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One side of a rectangle is 20cm longer than another side. If you double the length of the shorter side and triple the length of the longer side, then the perimeter of the new rectangle will be 240cm. Find the lengths of the sides of the original rectangle.
Answer:
The length of the short side was 12 and the length of the long side was 32
Step-by-step explanation:
We will say that the length is the shorter side, and be using l as the variable, and that width is the longer side, and be using w as the variable. The first two equations we have are:
w = l + 20
And
2(2l + 3w) = 240
We will start with the second equation, then substitute in the first equation for w. We have:
4l + 6w = 240
Divide both sides by 2:
2l + 3w = 120
Then, we substitute in l + 20 for w, giving us:
2l + 3l + 60 = 120
Subtract 60 from both sides and combine like terms:
5l = 60
l = 12
So, the original length was 12, now substituting this into our first equation gives us:
w = 12 + 20 = 32
So the original width was 32. So, the length of the short side was 12 and the length of the long side was 32.
Hope this helped!
o ne year ago, gill was five times as old as her horse. one year from now the sum of their ages will be 22. how old is gill now?
Answer: Gill is 16 now
Step-by-step explanation: If the horse was 3 one year ago, and gill is five times as old as it, shed be 15. one year from now, the horse is 5 and Gill is 17, which combined, is 22. If she is 17 in one year, she is 16 now.
i think of a number, subtract 4, then divide by three
The algebraic expression that corresponds to the sentence "I think of a number, subtract 4, then divide by three" is given as follows:
(n - 4)/3.
How to model the sentence with an algebraic expression?The sentence for this problem is given as follows:
"I think of a number, subtract 4, then divide by three".
The number is unknown, hence the variable used to represent the number is given by n.
Then the subtraction of the number n by 4 is represented by the expression presented as follows:
n - 4.
The division of the entire expression by 3 means that the parenthesis has to be applied to (n - 4), due to the precedence of operators, hence:
(n - 4)/3.
Missing InformationThe problem asks for the algebraic expression that represents the sentence.
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