The value for a is 1 and the remainder when P(x) is divided by x - 1 is 2.
What is polynomial remainder theorem?
It states that the remainder of the division of a polynomial f(x) by a linear polynomial x-r is equal to f(r).
The divisor in this case is x - a, where "a" is the value we need to determine.
We can see that the given polynomial 2x³ + 5x² - 12x + 9 + x - 3 has a term of x in addition to the other terms. This means that the divisor must also have a term of x in it.
So, we can write the divisor as x - a and set x - a = 0 to solve for "a":
x - a = 0
=> x = a
Therefore, "a" must be equal to 1 since there is a term of x in the polynomial.
To find the remainder, we need to evaluate P(a) where P(x) = 2x³ + 5x² - 12x + 9 + x - 3 and a = 1.
P(a) = 2(1)³ + 5(1)² - 12(1) + 9 + (1) - 3 = 2 + 5 - 12 + 9 + 1 - 3 = 2
So, the remainder when P(x) is divided by x - 1 is 2.
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I don't know how to do this −1(−3 1/2)
Answer:
3.5
Step-by-step explanation:
The parenthesis means you multiply the inside number by the outside number.
the negatives cancel each other out so the answer would be positive 3.5.
For each pair of figures below, choose how they are related.
O Translation
O Reflection
• Rotation
• None of these
• Translation
• Reflection
• Rotation
None of these
O Translation
© Reflection
• Rotation
• None of these
• Translation
• Reflection
O Rotation
O None of these
The type of transformation that occurred in each object are:
1) Rotation
2) Translation
3) Reflection
4) Translation
How to Identify the object Transformation?There are different types of transformations of objects such as:
Translation: Translation is said to occur when we slide a figure in any direction.
Reflection: Reflection is said to occur when we flip a figure over a line.
Rotation: Rotation is said to occur when we rotate a figure a certain degree around a point.
Dilation: Dilation is said to occur when we enlarge or reduce a figure.
1) The given transformation is rotation because the original object was clearly rotated.
2) The given transformation is said to be translation because the object just changed position.
3) The transformation that occurred is said to be a reflection because it is a mirror image.
4) The given transformation is said to be translation because the object just changed position.
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I NEED HELP PLEASE ANSWER ASAP
The value οf x = 4√2 in the given right angle triangle.
What is triangle?A clοsed triangle has three vertices, three sides, and three angles.
The symbοl fοr a triangle with the three vertices P, Q, and R is PQR. Sandwiches and signbοards in the shape οf triangles are the mοst prevalent triangle-shaped οbjects.
A triangle is made up οf several cοmpοnents. It has 3 sides, 3 vertices, and 3 angles.
Three vertices, three internal angles, and three sides make up a triangle.
Accοrding tο the triangle's "angle sum prοperty," a triangle's three inner angles can never add up tο mοre than 180 degrees.
Using the Pythagοras theοrem
x² = 4² + 4² (both sides are equal as opposite angles are equal)
x² = 16 + 16
x² = 32
x = √32
x = [tex]\sqrt{16 \times 2}[/tex]
x = 4√2
Thus, the value of x = 4√2 in the given right angle triangle.
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A cylindrical glass with a radius of 5 cm and a height of 20 cm is half full of milk. How
many milliliters of milk are in the glass? (1cm3
= 1ml)
There is 78.54 mI of miIk in the gIass.
What is VoIume of a cyIinder ?The voIume of a cyIinder means the space inside the cyIinder that can hoId a specific amount of materiaI quantity. In simpIer words, the capacity of a cyIinder to hoId a thing is its voIume. Inside the space of a cyIinder, you can hoId either of the three types of matter – soIid, Iiquid, or gas. This capacity can onIy be witnessed in a three-dimensionaI cyIinder, i.e., you cannot hoId any Iiquid, soIid, or gas in a two-dimensionaI cyIinder.
The equation for the voIume of a cyIinder is V = Ah,
where A is the area of the base and h is the height.
Thus, the voIume can aIso be expressed as V = πr2h.
Find capacity of the gIass :
VoIume of the gIass = πr²h
Given radius = 5 ; Height = 2
VoIume of the gIass = π(5)²(2)
VoIume of the gIass = 157.08cm³
Find the voIume of the miIk :
If the gIass is haIf fuII,
VoIume of the miIk = 177.08 ÷ 2
VoIume of the miIk = 78.54 cm³
Convert cm³ to mI :
1 mI = 1000 cm³
78.54cm³ = 78.54 mI
There is 78.54 mI of miIk in the gIass.
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A large company has offices in two locations, one in New Jersey and one in Utah. The mean salary of office assistants in the New Jersey office is $28,500. The mean salary of office assistants in the Utah office is $22,500. The New Jersey office has 128 office assistants and the Utah office has 32 office assistants. What is the mean salary paid to the office assistants in this company?
A. $22,500
B. $23,700
C. $25,500
D. $27,300
E. $28,500
Therefore, the mean salary paid to the office assistants in this company is $24,000.Answer: B. $24,000
A large company has offices in two locations, one in New Jersey and one in Utah. The mean salary of office assistants in the New Jersey office is $28,500. The mean salary of office assistants in the Utah office is $22,500. The New Jersey office has 128 office assistants and the Utah office has 32 office assistants. The mean salary paid to the office assistants in this company can be calculated by taking the weighted average of the mean salaries of the two offices.
Here's the formula to calculate the weighted average:
Weighted average = (weight1 × value1 + weight2 × value2) / (weight1 + weight2)
Where weight represents the number of data points, and value represents the mean salary of office assistants.
In this question, the weight of the New Jersey office is 128, and the weight of the Utah office is 32. The value of the New Jersey office is $28,500, and the value of the Utah office is $22,500.
Now let's plug in the values:
Weighted average = (128 × 28,500 + 32 × 22,500) / (128 + 32)
= (3,648,000 + 720,000) / 160
= 24,000
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Question 11
Aiguo rode his bike twice as many miles as Xavier. Together, they rode a total of 22.5 miles. How many miles did
Xavier ride?
Part A
Write a system of equations that represents the situation.
y =
x + y =
Part B
Solve the system of equations. Express the coordinates as decimals if necessary.
Done and
I’m literally so confused
Xavier rode 7.5 miles and Aiguo rode twice as much, or 15 miles.
How many miles did Xavier ride?Let x be the number of miles Xavier rode. Since Aiguo rode twice as many miles as Xavier, let 2x be the number of miles Aiguo rode.
Together, they rode a total of 22.5 miles, so we have the equation:
x + 2x = 22.5
Simplifying, we will get:
3x = 22.5
x = 22.5/3
x = 7.5
We can check our answer by verifying that the sum of their distances is indeed 22.5 miles:
= 7.5 + 15
= 22.5
Therefore, the solution is x = 7.5 and y = 15.
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The cross product of two vectors in R3 is defined by (a1, a2, a3) × (b1, b2, bз) = (a2b3 — aзb2, aзb1 — a1bз, a12 — ab1). Letv = (-1,3, 0). Find the matrix A of the linear transformation from R3 to R3 given by T(x) = V x X.
The given cross product formula is slightly incorrect. The correct cross product of two vectors in R3 is defined by (a1, a2, a3) × (b1, b2, b3) = (a2b3 - a3b2, a3b1 - a1b3, a1b2 - a2b1). We are given vector v = (-1, 3, 0) and asked to find the matrix A of the linear transformation [tex]T(x) = v × x.[/tex]
Let x = (x1, x2, x3) be a vector in R3. Then, using the cross product formula, we have:
T(x) =[tex]v × x = (-1, 3, 0) × (x1, x2, x3) = (3x3 - 0x2, 0x1 - (-1)x3, (-1)x2 - 3x1)[/tex]
T(x) =[tex](3x3, x3, -x2 - 3x1)[/tex]
Now, we can express the linear transformation as a matrix A multiplied by the vector x:
[tex]A * (x1, x2, x3) = (3x3, x3, -x2 - 3x1)[/tex]
The matrix A can be found by comparing the components of the vectors:
A = | 0 -3 0 |
| 0 0 1 |
|-3 -1 3 |
So, the matrix A of the linear transformation from R3 to R3 given by T(x) = v × x is:
A = | 0 -3 0 |
| 0 0 1 |
|-3 -1 3 |
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Pls help keep it simple
Opioids are a class of drugs that include both prescription painkillers, such as oxycodone, hydrocodone, and fentanyl, and illegal drugs, such as heroin.
What are opioids?Opioids are highly addictive and can lead to physical dependence and addiction with prolonged use. They can also cause a range of negative side effects, including drowsiness, confusion, constipation, nausea, and respiratory depression, which can be life-threatening in high doses.
Opioid addiction has become a major public health crisis in many countries, including the United States, where it has been linked to a dramatic increase in overdose deaths.
The numbers that match the phrases are;
1 - j
2 - c
3 - b
4 - a
5 - i
6 - d
7 - e
8 - f
9 - j
10 - h
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construct the confidence interval for the population standard deviation for the given values. Round your answers to one decimal place. n=5, s=4.4, c=0.95
Therefore, the 95% confidence interval for the population standard deviation is approximately (2.6, 12.3).
To construct a 95% confidence interval for the population standard deviation, we will use the chi-square distribution. Here are the steps:
Step 1: Identify the given values.
n = 5 (sample size)
s = 4.4 (sample standard deviation)
c = 0.95 (confidence level)
Step 2: Find the degrees of freedom.
df = n - 1 = 5 - 1 = 4
Step 3: Find the chi-square values.
For a 95% confidence interval, we will use the values corresponding to 2.5% and 97.5% in the chi-square distribution table. For df = 4:
Chi-square (0.025) = 11.143
Chi-square (0.975) = 0.485
Step 4: Calculate the confidence interval for the population variance.
Lower limit:[tex] (n - 1) * s^2 / Chi-square (0.025) = 4 * (4.4)^2 / 11.143 = 6.960[/tex]
Upper limit:[tex] (n - 1) * s^2 / Chi-square (0.975) = 4 * (4.4)^2 / 0.485 = 151.977[/tex]
Step 5: Calculate the confidence interval for the population standard deviation by taking the square root of the variance limits.
Lower limit: [tex]√6.960 = 2.6[/tex]
Upper limit:[tex] √151.977 = 12.3[/tex]
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You're playing a game in which the probability of winning each round is. 20.
On average, how many rounds do you have to play to first win?
Answer: You would probably have to play about 10 rounds.
ziggy has an exercise blood pressure of 150/60, a heart rate of 140 bpm, a max vo2 of 33 ml/kg/min, and a stroke volume of 95 ml. what is her mean arterial pressure?
90 mm Hg is Zigg's mean arterial pressure.
Here's the formula for calculating MAP: MAP = (CO x SVR) + CVPR
where:
CO stands for cardiac output (measured in liters per minute).
SVR stands for systemic vascular resistance (measured in mm Hg/L/min).
CVPR stands for central venous pressure (measured in mm Hg).
Now, let's get started with the calculation of MAP.
First, let's calculate CO (cardiac output): CO = HR x SV
where:
HR is heart rate (measured in beats per minute).
SV is stroke volume (measured in milliliters per beat).
CO = 140 bpm x 95 mlCO = 13300 ml/minCO = 13.3 L/min
Next, we need to calculate SVR (systemic vascular resistance).
The formula for calculating SVR is: SVR = (MAP - CVP) / CO
where:
MAP is mean arterial pressure (measured in mm Hg).
CVP is central venous pressure (measured in mm Hg).
CO is cardiac output (measured in liters per minute).
Since we don't have CVP in this question, let's assume it to be zero.
SVR = (MAP - 0) / 13.3 L/minSVR = MAP / 13.3 L/min
Now, we can rearrange the above equation to calculate
MAP:
MAP = SVR x 13.3 L/minMAP = 60 mm Hg (diastolic pressure) + 1/3 (systolic pressure - diastolic pressure)MAP = 60 mm Hg + 1/3 (150 mm Hg - 60 mm Hg)MAP = 60 mm Hg + 30 mm HgMAP = 90 mm Hg
Therefore, Ziggy's mean arterial pressure (MAP) is 90 mm Hg.
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out of 230 racers who started the marathon, 211 completed the race, 12 gave up, and 7 were disqualified. what percentage did not complete the marathon? round your answer to the nearest tenth of a percent.
the percentage of racers who did not complete the marathon is 8.3% when rounded to the nearest tenth of a percent.
To find the percentage of racers who did not complete the marathon, we need to divide the number of racers who did not complete by the total number of racers and then multiply by 100 to get a percentage.
Number of racers who did not complete = 12 + 7 = 19
Total number of racers = 230
Percentage of racers who did not complete = (19/230) x 100% = 8.3%
Therefore, the percentage of racers who did not complete the marathon is 8.3% when rounded to the nearest tenth of a percent.
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A bakery can make 30 donuts every
15 minutes. What is the unit rate at which the bakery makes donuts? What is the slope of the line?
The unit rate at which the bakery makes donuts is 2 donuts per minute.
The slope of the line would also be 2 since the number of donuts made is directly proportional to the time elapsed. This means that for every minute that passes, 2 donuts are made.
To find the unit rate, we divide the total number of donuts made (30) by the time it takes to make them (15 minutes).
Unit rate = 30 donuts ÷ 15 minutes = 2 donuts per minute
To find the slope of the line, we use the formula:
slope = rise ÷ run
In this case, the "rise" is the number of donuts made and the "run" is the time elapsed. Therefore, the slope is:
slope = 30 donuts ÷ 15 minutes = 2 donuts per minute.
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(g+5)(g-4) expand and simplify
the perimeter of a rectangle is 175 feet. the short sides are each feet long, but the lengths of the long sides are . a) which equation represents this situation? correct b) write in terms of . incorrect
this is incorrect because the length of the long sides cannot be expressed in terms of just y. We need additional information about the dimensions of the rectangle to determine the length of the long sides.
a) The equation that represents this situation is:
2x + 2y = 175
where x is the length of the short sides (in feet) and y is the length of the long sides (in feet).
b) The equation in terms of y is:
2(6) + 2y = 175
which simplifies to:
12 + 2y = 175
2y = 163
y = 81.5
However, this is incorrect because the length of the long sides cannot be expressed in terms of just y. We need additional information about the dimensions of the rectangle to determine the length of the long sides.
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how do you solve this to get the answer
Answer:
The answer is
-7/8 + 3/10
Step-by-step explanation:
See the picture
Hope you understand :)
a university found that 10% of students withdraw from a math course. assume 30 students are enrolled. what is the probability that 5 or less will withdraw?
The probability that 5 or less students will withdraw from a math course if 30 students are enrolled is 0.6826.
This can be calculated using the binomial probability formula, which states that the probability of a certain number of successes in a certain number of trials is equal to the number of combinations of successes times the probability of each success. In this case, the probability of success (withdrawing) is 0.10 and the number of trials (students enrolled) is 30.
For this example, the probability of 5 or less successes (withdrawals) is calculated by adding together the probabilities of 0 successes, 1 success, 2 successes, 3 successes, 4 successes, and 5 successes. That gives us a probability of 0.6826.
This is equivalent to saying that 68.26% of students enrolled in a math course will not withdraw. It is also equivalent to saying that 31.74% of students enrolled in a math course will withdraw.
To illustrate this, if we assume that 30 students are enrolled in a math course, we would expect that approximately 19 students will not withdraw (68.26%) and approximately 11 students will withdraw (31.74%).
In conclusion, the probability that 5 or less students will withdraw from a math course if 30 students are enrolled is 0.6826.
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Tolosa sold 540 eggs if these are 35% of total eggs,then how many eggs are not sold?
The total number of eggs is 1542.
To find the total number of eggs, we can use the fact that the 540 eggs sold represent 35% of the total eggs. We can start by setting up a proportion:
35/100 = 540/x
where x is the total number of eggs. To solve for x, we can cross-multiply and simplify:
35x = 54000
x = 54000/35
x = 1542.86
Therefore, the total number of eggs is approximately 1542.86. Since we can't have a fraction of an egg, we can assume that the total number of eggs is 1542.
To find the number of eggs that are not sold, we can subtract the number of eggs sold from the total number of eggs:
1542 - 540 = 1002
Find out more about The total number of eggs is 1542.
To find the total number of eggs, we can use the fact that the 540 eggs sold represent 35% of the total eggs. We can start by setting up a proportion:
35/100 = 540/x
where x is the total number of eggs. To solve for x, we can cross-multiply and simplify:
35x = 54000
x = 54000/35
x = 1542.86
Therefore, the total number of eggs is approximately 1542.86. Since we can't have a fraction of an egg, we can assume that the total number of eggs is 1542.
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S.
5.
You may be surprised to learn that prime
numbers are used for sending information
securely over the internet. The internet uses
computers, so they do this by multiplying two
huge prime numbers. It is hard work. Here is
a challenge for you. The number 51 is the
product of two prime numbers. What are the
two prime numbers?
The prime factors or the prime numbers whose product is 51 are 3 and 17.
What is the operation of prime numbers?
The operation of prime numbers refers to the various mathematical operations that can be performed using prime numbers. Prime numbers are positive integers that have exactly two divisors, 1 and the number itself. Some of the important operations involving prime numbers include:
Prime factorizationGCD and LCMModular arithmeticPrimality testingCryptographyNow,
If you meant to ask for the prime factors of 51, then they are 3 and 17.
because 51 is divisible by 3 because 5+1=6
and after dividing 51/3=17 which is also a prime number.
Hence,
the prime factors of 51 are 3 and 17.
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A tortoise is walking in the desert. It walks for 6.4 meters at a speed of 4 meters per minute. For how many minutes does it walk?
Answer:
1.6 minutes
Step-by-step explanation:
6.4 meters/4 speed
Helppppppppppppppppppppppp
Answer:
no
Step-by-step explanation:
You want to know if a triangle with sides 54, 66, and 87 is a right triangle.
Pythagorean theoremThe side lengths of a right triangle will satisfy the relation given by the Pythagorean theorem. Here, that would require ...
54² +66² = 87²
2916 +4356 = 7569
7272 = 7569 . . . . . . . . . false — not a right triangle
Triangle WXY is not a right triangle, so XY is not tangent to circle W.
__
Additional comments
The parity of the integer side lengths of a right triangle is always even. That is, there can be two odd side lengths, but never just one odd side length.
Side lengths 54 and 66 are even, while length 87 is odd. There is only one odd side length, so this triangle cannot be a right triangle.
A tangent always meets a radius at right angles, so XY is a tangent if and only if angle X is a right angle.
The following equation represents the volume of a rectangular prism with a width of w inches:
V=2w³-7w²+3w
a. What is the volume if the width is 5 inches?
b. Factor this polynomial completely and describe what each factor means in terms of the dimensions of the rectangular prism.
c. If the width is 5 inches, what are the other dimensions? How does this relate to your answer to part a?
d. Graph the polynomial on a graphing calculator or an online graphing application. What are the x-intercepts? What do these mean in terms of the situation?
e. What are the domain and range in terms of the situation? Justify your answers.
Answer:
a. To find the volume when the width is 5 inches, we plug in w=5 into the equation:
V = 2w³ - 7w² + 3w
V = 2(5)³ - 7(5)² + 3(5)
V = 250 - 175 + 15
V = 90
Therefore, the volume is 90 cubic inches.
b. To factor the polynomial, we can first factor out a w:
V = w(2w² - 7w + 3)
Then we can factor the quadratic expression in parentheses:
V = w(2w - 1)(w - 3)
Each factor represents a dimension of the rectangular prism:
w is the width
2w - 1 is the length
w - 3 is the height
c. If the width is 5 inches, we can use the factorization from part b to find the other dimensions:
length = 2w - 1 = 2(5) - 1 = 9 inches
height = w - 3 = 5 - 3 = 2 inches
This means that the rectangular prism has dimensions 5 inches by 9 inches by 2 inches. We can also use the dimensions to calculate the volume:
V = 5 × 9 × 2 = 90 cubic inches
This is the same as the answer from part a.
d. The graph of the polynomial is:
Graph of the polynomial
The x-intercepts are approximately 0.5 and 3. These correspond to the widths at which the volume is 0, which means the rectangular prism has zero volume. In other words, the x-intercepts represent the points where the rectangular prism collapses into a flat shape.
e. The domain of the function is all real numbers, since we can plug in any width w and get a corresponding volume. The range of the function is also all real numbers, since the volume can be any positive or negative value depending on the width. Specifically, the range is (-∞, ∞).
PLEASEE HELP
A teacher wants to select two students at random to read two chapters aloud from a book
Which statement describes a random selection of two students?
A. The teacher selects the first two students who arrive to class.
• B. The teacher selects the first two students who raise their hand.
C. The teacher sees two students in the hall and asks them to do the reading.
• D. The teacher puts the student names on individual pieces of paper and draws two names.
Answer: D
Step-by-step explanation:
Its the fairest way to pick a random person
a rectangle has a length of 25 cm and a width of 12.25 cm. a larger, similar rectangle has a width 49 cm. what is the length of the larger rectangle?
Answer: 100 cm
Step-by-step explanation:
1. Since the problem tells us that they are similar, we can infer that this larger rectangle is the same rectangle, only bigger.
2. With this information, we can do the equation 49/12.25 because then we will get the amount the rectangle grows by.
3. 49/12.25=4
4. Now, we can multiply the length(25) by 4.
5. 25 x 4=100
6. The length of the larger rectangle is 100.
I hope this helps!
Decide if each of the following is a minor arc, major arc, or semicircle by circling the correct answer .
Answer:
Step-by-step explanation:
minor, semi, minor, major (in that order)
minor is smaller than a semi-circle while major is larger than a semi-circle.
Please answer with explanation!
The exact dimensions (in inches) of the cylindrical mailing tube that may be mailed using the postal service is 7 inches radius and a length of 14 inches.
How to calculate radius and length?To find the maximum volume of the mailing tube, maximize the function:
V = πr²L
subject to the constraint:
C = 2πr + L = 84
where C is the girth.
Using Lagrange multipliers, we need to solve the system of equations:
∇V = λ∇C
2πrL = λ(2π)
πr² = λ
2πr + L = 84
Taking the ratio of the first two equations:
L = 2r
Substituting this into the third equation:
4πr + 2r = 84
Simplifying:
r = 7
Substituting this into the equation L = 2r:
L = 14
Therefore, the cylindrical mailing tube of greatest volume that may be mailed using the postal service has a radius of 7 inches and a length of 14 inches.
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Image transcribed:
A package to be mailed using a certain postal service may not measure more than 84 inches in length plus girth. (Length is the longest dimension and girth is the largest distance around the package, perpendicular to the length.)
length
girth
Use Lagrange multipliers to find the exact dimensions (in inches) of the cylindrical mailing tube of greatest volume that may be mailed using the postal service.
radius ______ in
length ______ in
FLOORPLAN A bedroom is in the shape of a square. The length of the room is 6p 7 q. What is the area of the bedroom in terms of p and q?
The area of the bedroom in the terms of p and q is (6p7q)² square units.
What is the area of square?
The amount of square units required to fill a square is referred to as the area of a square. In general, the region contained within a flat object's or 2D figure's boundary is referred to as the area. The unit of measurement is square, with square metres serving as the default.
We are given that a bedroom is in the shape of a square with the length as 6p7q.
We know that area of a square is the square of the side.
So, from this we get
⇒ Area = (6p7q)² square units
Hence, the area of the bedroom in the terms of p and q is (6p7q)² square units.
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write the equation of a circle with center at (-1/2,1/4) and r= [3]
The equation of the circle is 16 x^2 + 16x +16 y^2- 4y -45 =0
Here the center of circle is at (1/2, 1/4 ) and radius is √ 3
The equation of a circle with center (h , k) and radius r is given by
(x - h)^2 + ( y - k)^2 = r^2
Here it is given that the center of circle (-1/2 , 1/4) = (h, k) and radius r= √ 3
Therefore the equation of required circle is
(x - (-1/2) )^2 + (y-1/4)^2= √ 3^2
=> x^2 + 1/4 + x + y^2 +1/16 - 4y= 3
=> 16x^2 + 4 +16x+ 16 y^2 -4y +1= 48
=>16 x^2 + 16x +16 y^2- 4y -45 =0
therefore the required equation of circle is
16 x^2 + 16x +16 y^2- 4y -45 =0
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Which of the following proportions is true?
16/36 = 12/27
4/16 = 2/14
15/20 = 24/36
12/15 = 47/50
Answer:
16/36 = 12/27
A city has a population of 370,000 people. Suppose that each year the population grows by 4. 75%. What will the population be after 11
years?
The population of the city will be approximately 597,543 people after 11 years.
We can solve this problem using the formula for exponential growth:
[tex]N = P(1 + r)^t[/tex]
where:
N = final population
P = initial population
r = annual growth rate (as a decimal)
t = number of years
In this case, we have:
P = 370,000
r = 0.0475 (since the annual growth rate is 4.75%)
t = 11
Substituting these values into the formula, we get:
[tex]N = 370,000(1 + 0.0475)^{11}[/tex]
Using a calculator, we can simplify this expression to:
N = 597,542.64
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