The probability that the first card is a king and the second card is not a king is 0.0045
Suppose two cards are drawn sequentially so that one random circumstance is the result of the first card drawn and the second random circumstance is the result of the second card drawn. To find the probability that the first card is a king and the second card is not a king.
In the first case let's find the probability of drawing a king from the deck of cards,
A = ( 4/52 )
In the second case the probability of drawing a card that is not a king from the deck is,
B = ( 3/51 )
At last, to get the final probability to draw that the first card is a king and the second card is not a king we need to multiply the above two cases as,
A x B = ( 4/52 ) ( 3/51 )
= 1/221
= 0.0045
The probability that the first card is a king and the second card is not a king is 0.0045
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suppose that you want to investigate the factors that potentially affect cooked rice. (a) what would you use as a response variable in this experiment? how would you measure the response?
I would use weight of the rice after it has been fully cooked as a response variable.
The response variable I would use would be weight of the rice after it has been fully cooked. Different studies have depicted that when different types of rice are cooked, they absorb the water and the ingredients in which they are being cooked, and they concluded having different weights after being fully cooked. So, the suitable response variable would be the final weight of the rice after they are fully cooked. This response can be measured by comparing it to the initial weight of rice before cooking.
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Sketch the area under the standard normal curve over the indicated interval and find the specified area. (Round your answer to four decimal places.)
The area to the left of z = 0.54 is
.
Area under the standard normal curve of z - score :
P(z < 0.54) = 0.7054
Given:
The area under the standard normal curve left is z = 0.54.
and, also sketch the area of normal curve and allocate the area left to the z - score .
What do z-scores mean?
Z-score indicates how much a given value differs from the standard deviation. The Z-score, or standard score, is the number of standard deviations a given data point lies above or below mean. Standard deviation is essentially a reflection of the amount of variability within a given data set.
Now,
The area under the curve represents the probability, therefore, the total area under the curve is equal to 1.
The Area under the standard normal curve of z - score :
P(z < 0.54) = 0.7054
Here, The sketch the under the standard normal curve over the indicated interval.
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Write an equation of the line passing through the point (2, -9) that is perpendicular to the line V=x+6.
The equation of the line that is perpendicular to y = x + 6 is expressed as: y = -x - 7
How to Write the Equation of a Line?The equation of a line can be written as y = mx + 1. The value of m is the slope while the value of b is the y-intercept.
The slopes of two lines that are perpendicular to each other are negative reciprocals. This means, if we multiply their slope values together, we will get -1.
Given the line, y = x + 6, the slope of the line is 1. The slope of the line it is perpendicular to is -1, because -1 is the negative reciprocal of 1.
Substitute m = -1 and (x, y) = (2, -9) onto y = mx + b to find the value of b:
-9 = -1(2) + b
-9 = -2 + b
-9 + 2 = b
-7 = b
b = -7
To write the equation of the perpendicular line, substitute m = -1 and b = -7 into y = mx + b:
y = -x - 7
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Y-4x is equal to or less than -6
Answer:
don't forget to give me brainest
star, like.
this is the correct solution.
Marty invested $7000 in treasury notes and stocks. The stocks paid 7% in the notes paid 8%, giving an annual income of $535. How much is invested into the treasury notes?
Answer:
3500
Step-by-step explanation:
split 7000 in half for stocks and treasury= 3500 each.
7 percent on 3500 is 3724, 7 percent of 3500 is 245 dollors. 535 x 7 is 3745 = 3500 invested in treasury.
Which of these is a perfect square? Responses 29/ 78/ 144/ -6/
Here, 144=12×12=12². Therefore, 144 is a perfect square.
The given numbers are 29, 78, 144 and -6.
What is a perfect square?A perfect square is a positive integer that is obtained by multiplying an integer by itself. In simple words, we can say that perfect squares are numbers that are the products of integers by themselves.
By perfect square definition
29=29×1
78=2×2×17
144=2×2×2×2×3×3=12×12
-6=-2×3
So, from the above factors it is clear that, 144 is a perfect square.
Here, 144=12×12=12². Therefore, 144 is a perfect square.
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Can someone help me i will give brainlest :) 12, 13, 14, only do those one's
Plotted Answers:
12.) See attached for my work
13.) See attached for my work
14.) See attached for my work
Simplified Answers:
12.) y > –24
13.) x ≥ –12
14.) x > –7
Hope that helps! Have an amazing rest of your day! Please consider giving me the Brainliest! :)
With the exception of column one, all amounts are in dollars. What is starting principal of the loan? Give your answer in dollars to the nearest dollar. Do not include commas or the dollar sign in your answer.
SOLUTION
First let us get the monthly rate
This can be gotten using the formula
[tex]P\times\frac{r}{12}=i[/tex]Where P is principal,
r is the percent interet rate per year, so to get monthly interest is divide by 12
i is the monthly interet.
Using column 1 to determine the rate, we have
[tex]\begin{gathered} P\times\frac{r}{12}=i \\ 149,783.55\times\frac{r}{12\times100}=748.92 \\ \frac{149,783.55r}{1200}=748.92 \\ r=\frac{1200\times748.92}{149,783.55} \\ r=6\text{ percent} \end{gathered}[/tex]Now, the interest rate r = 6%
The starting principal becomes
[tex]\begin{gathered} P\times\frac{6}{12\times100}=750 \\ \frac{6P}{1200}=750 \\ P=\frac{750\times1200}{6} \\ P=150000\text{ dollars } \end{gathered}[/tex]Therfore, the answer is 150000 dollars
Factor Pairs (HIGH POINTS!)
Answer:
1. 8 softballs
2. 16 softballs
3. 24 softballs
4. 32 softballs
5. 40 softballs
6. 48 softballs
Step-by-step explanation:
w² = 32
W≈
Round to the nearest tenth as needed, us a common to separate answers as needed
Answer:
6 or 5.7
Step-by-step explanation:
w² = 32
w = root 32
w = 5.656854249
w = 6 or 5. 7
Riangle QRS has vertices Q(8, −4), R(−1, 2), and S(3, 7). What are the coordinates of vertex Q after the triangle is reflected across the y-axi
The triangle QRS with points Q(8, -4), R(-1, 2), and S(3, 7). After the triangle is reflected across Y axis, then the coordinates of vertex Q are (-8, -4).
How to determine reflection coordinates?
These are the specified parameters:
Q(8, -4), R(-1, 2), and S(3, 7)
Determine the reflected of Q(8, -4) across Y-axis
A(a, b) ⇔ A' (-a, b)
Q(8, -4) ⇔ Q' (-8, -4)
Determine the reflected of R(-1, 2) across Y-axis
A(a, b) ⇔ A' (-a, b)
R(-1, 2) ⇔ R' (1, 2)
Determine the reflected of S(3, 7) across Y-axis
A(a, b) ⇔ A' (-a, b)
S(3, 7) ⇔ S' (-3, 7)
The coordinates of vertex Q after the triangle is reflected across the y-axi are (-8, -4).
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what are the coordinates of the image P for a dilation with center (0,0) and a scale factor 2? answer choices :• (2,0) • (0,6)• (-4, 2)• (0,5)
Rule for a dilation with center (0,0)
[tex](x,y)\rightarrow(kx,ky)[/tex]k is the scale factor.
For point P (0,3):
[tex]\begin{gathered} P(0,3)\rightarrow P^{\prime}(2(0),2(3)) \\ P(0,3)\rightarrow P^{\prime}(0,6) \end{gathered}[/tex]Then the coordiantes of point P after the dilation are (0,6)A retailer purchases some merchandise with an invoice price of $19,500 and terms of sale of 5/15, n/45. What is the net amount due (in $) on the order if a partial payment of $10,800 is made on the 15th day? (Round your answer to the nearest cent.)
The net amount due on the order after partial payment done is $8700
Given,
A retailer purchases some merchandise;
The invoice price for the merchandise = $19,500
Terms of sale for the merchandise = 5/15, n/45
On 15th day partial payment done = $10,800
We have to find the net amount due on the order after partial payment is done.
Here,
Net amount due = Invoice price - Partial payment
Net amount due = 19,500 - 10,800
Net amount due = 8700
That is,
The net amount due on the order after partial payment done is $8700
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In the past, Quinn got paid $121,560 annually. Since switching to a new career, he has been making 55% less. How much does Quinn make now?
please help
Quinn got paid $121,560 in his first career and on switching, he made 55% less, i.e. he made 45% of his previous career.
This is because, if in a previous career he made 100%, then a 55% reduction in salary annually would mean, he is left with only 45%.
Let us suppose, previous salary as x
then, x= $121,560
so, 45% of x= 45% of $121,560
i.e. 45% of x= 45/100 x 121560
therefore, 45% of x= $54,702
Quinn makes $54,702 now.
Therefore, a reduction in 55% of earlier salary would mean that Quinn's salary reduced from $121,560 to $54,702
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I baked a cake for my siblings. My brother ate \large \frac{1}{8} of the cake and my sister ate \large \frac{3}{4}. How much of the cake is left for me?
In a case whereby I baked a cake for my siblings ad My brother ate large fraction 1/8 of the cake and my sister ate \large frac 3/4 , the amount of cake is left for me is 1/8.
How can the amount of the cake remaining can be calculated?In this question , we are dealing with fraction, which implies that the number of the cake that i am having is 1.
And we are told that 1/8 of the cake is been eaten by my brother, where 3/4 of the cake is been eaten by my sister, then to know the amount of cake that was left for me, we will need to perform some simplification as:
1-(1/8) - (3/4) =1/8.
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If a cake is baked, In which her brother ate 1/8 and sister ate 3/4. Then 1/8 of cake is left me.
What is Fraction?A fraction represents a part of a whole
Given that a cake was baked for her siblings.
Her big brother ate large part of the cake that is 1/8.
Her sister ate 3/4 of the cake.
We need to find the left out cake for her.
To do that we have to remove 1/8 and 3/4 from 1.
1-(1/8)-(3/4)
(8-1-6)/8
1/8
Hence she has 1/8 of cake which is left.
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x + 3y = 1 ; 7x + 8y = 11 solve by substitution.
Step-by-step explanation:
x + 3y = 1
x = 1 - 3y-(i)
7x + 8y = 11
x= 11-8y/7-(ii)
substituting eqn (i) in eqn (ii)
11-8y/7= 1-3y
11-8y=7-21y
13y=-4
y=-4/13
putting the value of y in eqn (i)
x=1-(-12/13)
x=25/13
Write the quadratic equation that has roots -1-rt2/3 and -1+rt2/3 if its coefficient with x^2 is equal to 1
[tex]\frac{-1-\sqrt{2}}{3}[/tex] [tex]\frac{-1+\sqrt{2} }{3}[/tex]
The equation of the quadratic function is f(x) = x²+ 2/3x - 1/9
How to determine the quadratic equation?From the question, the given parameters are:
Roots = (-1 - √2)/3 and (-1 + √2)/3
The quadratic equation is then calculated as
f(x) = The products of (x - roots)
Substitute the known values in the above equation
So, we have the following equation
[tex]f(x) = (x - \frac{-1-\sqrt{2}}{3})(x - \frac{-1+\sqrt{2}}{3})[/tex]
This gives
[tex]f(x) = (x + \frac{1+\sqrt{2}}{3})(x + \frac{1-\sqrt{2}}{3})[/tex]
Evaluate the products
[tex]f(x) = (x^2 + \frac{1+\sqrt{2}}{3}x + \frac{1-\sqrt{2}}{3}x + (\frac{1-\sqrt{2}}{3})(\frac{1+\sqrt{2}}{3})[/tex]
Evaluate the like terms
[tex]f(x) = x^2 + \frac{2}{3}x - \frac{1}{9}[/tex]
So, we have
f(x) = x²+ 2/3x - 1/9
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When the remainder is zero, which statement is NOT true?
A. The quotient is a factor
B. The divisor is a factor
C. The solution of the divisor is a zero
D. The dividend is a factor
(right answer only!)
When the remainder is zero, the statement that isn't true is that C. The solution of the divisor is a zero.
What is a dividend?A dividend simply means the value that is divided by another value in order to far the result. It is the base of the division problem.
For example, 12 divided by 6 is 2. In this case, 6 is the dividend. 6 is a factor of 12.
Therefore, the correct option is C
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This is Evaluating Functions.Replace the X values with the number in the question ("Find f( )" )
Given the following function:
f(x) = 3x - 3
Let's determine the value at f(-3),
This means that we will be replacing all x variables of f(x) by -3.
We get,
f(x) = 3x - 3
f(-3) = 3(-3) - 3
= -9 - 3
f(-3) = -12
Therefore, f(-3) = -12
Given the following function:
f(x) = 3x - 3
Let's determine the value at f(-3),
This means that we will be replacing all x variables of f(x) by -3.
We get,
f(x) = 3x - 3
f(-3) = 3(-3) - 3
= -9 - 3
f(-3) = -12
Therefore, f(-3) = -12
Using the diagram, answer the following questions. Please show your work for points.
A.) Solve for y.
y =
B.) Find the measure of angles A, C and D showing all work.
∠A = , ∠C = , ∠D =
Answer:
A) y = 23°
B) ∠A = 67°, ∠C = 113°, ∠D = 113°
Step-by-step explanation:
Hello!
A)Angle A and B are vertical angles, meaning they are equal in measure. We can solve for y by setting the two equations equal to each other.
Vertical angles are the opposite angles formed by the intersection of 2 lines.
Supplementary angles are angles that add up to 180°.
Solve for y4y - 25 = 674y = 92y = 23The value of y is 23°.
B)Measure of Angle A is 67°, as Angle A and B are vertical and equal in measure
Measure of Angle C is 113°, because the sum of angles on a line are equal to 180°, and are supplementary.
Measure of Angle D is also 113°, because it is vertical to Angle C.
Use the factor theorem to find all real zeros and one factor.
f(x) = 2x³-9x² + 13x - 6; x - 1
Answer:
x = {1, 1.5, 2}Step-by-step explanation:
GivenPolynomial f(x) = 2x³ - 9x² + 13x - 6, One of the factors x - 1.Factorize the polynomial using the given details.
Since one of the factors known, try to factor it out and futher:
2x³ - 9x² + 13x - 6 = 2x³ - 2x² - 7x² + 7x + 6x - 6 = 2x²(x - 1) - 7x(x - 1) + 6(x - 1) = (x - 1)(2x² - 7x + 6) = (x - 1)(2x² - 3x - 4x + 6) = (x - 1)[x(2x - 3) - 2(2x - 3)] =(x - 1)(x - 2)(2x - 3)Find its zero's:
x - 1 = 0 or x - 2 = 0 or 2x - 3 = 0x = 1 or x = 2 or x = 1.5Answer:
[tex]x=1, \quad x=\dfrac{3}{2}, \quad x=2[/tex]
Step-by-step explanation:
Factor Theorem
If f(x) is a polynomial, and f(a) = 0, then (x – a) is a factor of f(x).
If the coefficients in a polynomial add up to 0, then (x - 1) is a factor.
Given polynomial function:
[tex]f(x)=2x^3-9x^2+13x-6[/tex]
Sum the coefficients:
[tex]\implies 2-9+13-6=0[/tex]
As the sum of the coefficients is zero, (x - 1) is a factor.
Therefore:
[tex]\implies f(x)=(x-1)(ax^2+bx+c)[/tex]
Expand the brackets:
[tex]\implies f(x)=ax^3+bx^2+cx-ax^2-bx-c[/tex]
[tex]\implies f(x)=ax^3+(b-a)x^2+(c-b)x-c[/tex]
Compare the coefficients with the given polynomial.
As the coefficient of the leading term of the polynomial is 2:
[tex]\implies a=2[/tex]
As the coefficient of the term in x² is -9:
[tex]\implies b-a=-9[/tex]
[tex]\implies b-2=-9[/tex]
[tex]\implies b=-7[/tex]
As the constant of the given polynomial is -6:
[tex]\implies c=6[/tex]
Substitute the found values of a, b and c into the factored form of the polynomial:
[tex]\implies f(x)=(x-1)(2x^2-7x+6)[/tex]
Factor the quadratic:
[tex]\implies 2x^2-7x+6[/tex]
[tex]\implies 2x^2-4x-3x+6[/tex]
[tex]\implies 2x(x-2)-3(x-2)[/tex]
[tex]\implies (2x-3)(x-2)[/tex]
Therefore, the fully factored polynomial is:
[tex]\implies f(x)=(x-1)(2x-3)(x-2)[/tex]
To find the zeros, set the function to zero:
[tex]\implies f(x)=0[/tex]
[tex]\implies (x-1)(2x-3)(x-2)=0[/tex]
Apply the zero-product property:
[tex]\implies x-1=0 \implies x=1[/tex]
[tex]\implies 2x-3=0 \implies x=\dfrac{3}{2}[/tex]
[tex]\implies x-2=0 \implies x=2[/tex]
Therefore, the real zeros of the given polynomial are 1, ³/₂ and 2.
Solve for x? Please help me with this asap! Show your work if you want the extra points and Brainiest!
The value of x is 10
How to determine the valueFrom the diagram shown, we can see that it takes the shape of a parallelogram
The properties of a parallelogram includes;
Opposite sides are described as parallel to each otherOpposite sides are equal or congruentThe same-sided interior angles are said to be supplementary, that is, they add up 180 degreesEvery diagonal of the parallelogram divides it into two equal triangleThe diagonals of a parallelogram bisect each other at right anglesWe can see that the diagonal bisects the parallelogram into equal halves and then the parallel and opposite sides are equal.
If the opposite sides of x = 10
Then, x = 10
Hence, the value is 10
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Under her cell phone plan, Paisley pays a flat cost of $60 per month and $3 per
gigabyte. She wants to keep her bill under $75 per month. Write and solve an
inequality which can be used to determine g, the number of gigabytes Paisley can use
while staying within her budget.
V
9
VI
Inequality:
Submit Answer
IV
The inequality used to represent Paisley budget and the number of gigabytes Paisley can use while staying within her budget is 5 gigabyte
How to determine the inequality used to represent Paisley's budgetInformation gotten from the question include
Paisley pays a flat cost of $60 per month and $3 per gigabyte
bill under $75 per month
What is linear function ?A linear function consists of functions where the variables has exponents of 1. The graph of linear functions is a straight line graph and the relationship is expressed in the form.
y = mx + c
Definition of variables to suit the problem to be solved
y = Total cost
m = cost per gigabyte
x = number of gigabyte
c = flat cost
The inequality equation as described in the problem is represented using linear function as as follows
3x + 60 < 75
3x < 75 - 60
3x < 15
x < 5
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PLEASE HELP ILL GIVE BRAINLIST ANYTHING PLEASE
n -3/8> -2/5
Answer:
n>-1/40
Step-by-step explanation:
Hope this helps!! (I promise...it's the right one)
Answer:
b) n > (-1/40)
Step-by-step explanation:
Given equation,
→ n - (3/8) > (-2/5)
Now the value of n will be,
→ n - (3/8) > (-2/5)
→ n > (-2/5) + (3/8)
→ n > (-16/40) + (15/40)
→ n > (-16 + 15)/40
→ [ n > (-1/40) ]
Hence, value of n is -1/40.
A poster is
than
25 cm taller
it is wide. It is
mounted on a piece
of cardboard so
that there is a 5
cm border on all
sides.
If the
area of the border
alone is 1350 cm²,
what are the
dimensions of the
poster
The dimension are 75 * 50 i.e, Width = 50 cm , Length = 75 cm
Define Dimension
A measurable extent of a particular kind, such as length, breadth, depth, or height.
Let,
T = how taller the poster is
W = how wide the poster is
According to question given,
T = W + 25 ---eq(i)
The total height is calculated by multiplying the top border by 5 and the bottom border by 5. The entire height is then multiplied by the border's width, 5, times 2, so there are two tall sides. then multiplying by 5 times 2 widths.The equation looks like that,
5 * (2 (T + 10)) + 5 * (2 * W) = 1350
Now substitute the eq(i) value,
5 * (2 ((W + 25) + 10)) + 5 * (2 * W) = 1350
Now, solve for W,
5 * (2W +50 + 20) + 10W = 1350
10W + 5(70)+ 10W = 1350
20W + 350 = 1350
20W = 1350 - 350
20W = 1000
W = 1000/20
W = 50
Now, put the W value in eq(i)
T = 50 + 25
T = 75
Therefore, The dimension are 75 * 50 i.e, Width = 50 cm , Length = 75 cm
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simplify 20:15
simplify 35:49
simplify 81:36
simplify 27:45
simplify 21:36
pls help me i’m crying rn bro
Answer:
1. 4:3
2. 5:7
3. 9:4
4. 3:5
5. 7:12
Step-by-step explanation:
I'm sure you don't care how to get the answers, you just want them :)
please answer also this will give u 100 points
Answer:
Step-by-step explanation:
Slope is gradient which is, change in y
change in x
so, on the graph, change in y = 10-2.5 = 7.5
change in x = 5-0 =5
so, gradient is, 7.5/5
= 3/2
72.1232 rounded to the nearest thousandth
72.1232 rounded to the nearest thousandth is 72.123.
What does it mean to round to the nearest thousandth?The term "rounding to the nearest thousandth" refers to the practice of rounding any decimal number to the next thousandth value. Thousandth in the decimal system signifies (1/1000) or 0.001. 3.125, for example, is the number 3.1249 rounded to the closest thousandth.
To round it to the closest thousandth, we must focus on the number following this spot - tens of thousandths. This figure will determine whether we round up or round down. "Five and above go up like a bird," as the phrase goes. Therefore, this will give a value of 72.123.
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63 > 7y solve the inequality for y and simplify your answer as much as possible
Answer:
y < 9
Step-by-step explanation:
Hello!
We can solve the inequality for y by dividing both sides by 7.
Remember, when dividing or multiplying both sides of an inequality with a negative number, make sure to flip the sign. Since 7 is positive, we don't have to flip the sign.
Solve the Inequality63 > 7y63/7 = 7y/79 > ySo the inequality is true for all y values less than 9.
Hey there!
63 > 7y
7y < 63
DIVIDE 7 to BOTH SIDES
7y/7 < 63/7
SIMPLIFY IT
y < 63/7
y < 9
You have an open circle starting at 9 and going down to left side of the number line.
Therefore, your answer should beD
y < 9
Good luck on your assignment & enjoy your day!
~Amphitrite1040:)
Given f(x)=2x-5, describe how the graph of g compares with the graph of f.
g(x)=2(0.2x)-5
The graph of g and f have equal intercepts while the slope of the graph of f is 5 times larger than the slope of the graph of g
How to compare the graph of g with the graph of fGiven: f(x) = 2x-5 and g(x)=2(0.2x)-5
To compare the two graphs, we can make use of the equation of a line:
The general form of the equation of a line is y = mx + c
Where m is the slope and c is the intercept
So we will compare two the functions with the equation of a line:
Comparing f(x) = (2x-5) with y = mx + c
The slope(m) of the line = 2 and the intercept(c) = -5
Also, comparing g(x) = 2(0.2x)-5 with y = mx + c
The slope(m) of the line = 2(0.2) = 0.4 and the intercept(c) = -5
Since the slope of f(x) = 2 and the slope of g(x) = 0.4. Thus:
slope of f(x) / slope of g(x) = 2/0.4 = 5
So we can say the slope of f(x) is 5 times the slope of g(x)
Therefore, the graph of g and f have the same intercept. But the slope of f(x) is 5 times the slope of g(x)
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