find a pair of integers x and y such that 61x 41y=gcd(61,41)
A pair of integers (x, y) that satisfies the equation 61x + 41y = gcd(61, 41) is x = -2 and y = 3.
To find a pair of integers (x, y) that satisfies the equation 61x + 41y = gcd(61, 41), we can use the Extended Euclidean Algorithm.
This algorithm allows us to find the greatest common divisor (gcd) of two numbers (61 and 41 in this case) and express it as a linear combination of the two numbers.
Using the Extended Euclidean Algorithm, we can calculate the gcd(61, 41) as 1.
Along with the calculations, we keep track of the coefficients of 61 and 41, which will give us the values of x and y in the equation.
Starting with the initial values of 61 and 41, we perform the Euclidean Algorithm:
61 = 41 * 1 + 20
41 = 20 * 2 + 1
Working backwards, we substitute the remainders in terms of the previous values:
1 = 41 - 20 * 2
1 = 41 - (61 - 41 * 1) * 2
1 = 41 * 3 - 61 * 2
Comparing this equation to the original equation 61x + 41y = gcd(61, 41), we can see that x = -2 and y = 3.
Therefore, a pair of integers (x, y) that satisfies the equation 61x + 41y = gcd(61, 41) is x = -2 and y = 3.
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362^x+1 / 216^x-2 = 1/6
Hi I need help with this question please and thank you
we have that
Let
y ----> total charge
x ----> number of hours
so
First-rate
y=65x+400 ------> equation 1
Second rate
y=95x+100 ------> equation 2
Equate equation 1 and equation 2
65x+400=95x+100
solve for x
95x-65x=400-100
30x=300
x=10 hours
therefore
the answer is
After 10 hoursThe area of a newspaper page (opened up) is about 640. 98 square inches. Determine the length and width of the page if its length is about 1. 23 times its width
The width of the newspaper page is approximately 22.83 inches, and the length is approximately 28.11 inches.
Let's assume the width of the newspaper page is "x" inches. According to the given information, the length is about 1.23 times the width, so the length can be represented as "1.23x" inches.
The area of a rectangle can be calculated using the formula:
Area = Length × Width
640.98 = (1.23x) × x
640.98 = 1.23x²
Now, let's solve for x by dividing both sides of the equation by 1.23:
x² = 640.98 / 1.23
x² ≈ 521.95
Taking the square root of both sides to solve for x, we find:
x ≈ √521.95
x ≈ 22.83
Therefore, the width of the newspaper page is approximately 22.83 inches.
To find the length, we can multiply the width by 1.23:
Length ≈ 1.23 × 22.83
Length ≈ 28.11
Therefore, the length of the newspaper page is approximately 28.11 inches.
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What is the absolute value of -8?
Answer:
8
Step-by-step explanation:
The absolute value of any number is the value of the number when it's positive.
So...
I-8I = 8
and I8I = 8
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Answer:
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what are the intercepts of 3x=4y+12?
A roadrunner is a desert bird that tends to run instead of ny. While running, the roadrunner uses its tail as a balance. A sample of 10 roadrunners was taken, and the birds' total length, in centimeters (cm), and tail length, in cm, were recorded. The output shown in the table is from a least-squares regression to predict tail length given total length Coef 1.281 Term Constant SE Coef 2.673 Total Length0.5264 00467 Suppose a roadruner has a total length of 59.0 cm and tail length of 31.1 cm. Based on the residual, does the regression model overestimate or underestimate the tail length of the roadrunner? (A) Underestimate, because the residual is positive. (B) Underestimate, because the residual is negative. (C) Overestimate, because the residual is positive (D) Overestimate, because the residual is negative. (E) Neither, because the residual is 0. For each 27. The histograms show the results of three simulations of a sampling distribution of a sample mean. simulation, 1,500 samples of size m were selected from the same population and the sample mean was The value of n was different for each of the three simulations Graph C Graph A Graph B 200 0. Sample Means 200 200 Sample Means Sample Means Which of the following is the correct ordering of the graphs from least value of n to greatest value of n ? (A) A, C,B (B) B. A, C (C) B, C, A (D) C. A, EB (E) C. B, A cimately normal age of
As Per the regression model, the tail length of the roadrunner will be underestimate, because the residual is positive.
The term regression model refers provides a function that describes the relationship between one or more independent variables and a response, dependent, or target variable.
Here we have given that a roadrunner is a desert bird that tends to run instead of fly. While running, the roadrunner uses its tail as a balance.
And we need to find based on the residual, does the regression model overestimate or underestimate the tail length of the roadrunner?
While we looking into the given question we have identified that a sample of 10 roadrunners was taken, and the birds' total length, in centimeters (cm), and tail length, in cm, were recorded.
And the he output shown in the table is from a least-squares regression to predict tail length.
Here by looking at the given total length we know that suppose a road runner has a total length of 59.0 cm and tail length of 31.1 cm.
Based on these condition we have identified that option (a) is correct.
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Which equation applies the associative property of multiplication?
(−12⋅47)+(−12⋅23)=−12⋅(47+23)
−65−(53−14)=(−65−53)−14
(−94⋅32)⋅(63⋅57)=−94⋅(32⋅63)⋅57
89⋅74⋅(−58)=89⋅(−58)⋅74
Answer:
the 2nd one
Step-by-step explanation:
Answer:
The answer is C. (−94⋅32)⋅(63⋅57)=−94⋅(32⋅63)⋅57
Step-by-step explanation:
I took the K12 test
Five years ago, someone used her $40,000 saving to make a down payment for a townhouse in RTP. The house is a three-bedroom townhouse and sold for $200,000 when she bought it. After paying down payment, she financed the house by borrowing a 30-year mortgage. Mortgage interest rate is 4.25%. Right after closing, she rent out the house for $1,800 per month. In addition to mortgage payment and rent revenue, she listed the following information so as to figure out investment return: 1. HOA fee is $75 per month and due at end of each year 2. Property tax and insurance together are 3% of house value 3. She has to pay 10% of rent revenue for an agent who manages her renting regularly 4. Her personal income tax rate is 20%. While rent revenue is taxable, the mortgage interest is tax deductible. She has to make the mortgage amortization table to figure out how much interest she paid each year 5. In last five years, the market value of the house has increased by 4.8% per year 6. If she wants to sell the house today, the total transaction cost will be 5% of selling price Given the above information, please calculate the internal rate of return (IRR) of this investment in house
Can you show the math as far as formulas go?
Given the following information: Five years ago, someone used her $40,000 saving to make a down payment for a townhouse in RTP. The house is a three-bedroom townhouse and sold for $200,000 when she bought it. After paying down payment, she financed the house by borrowing a 30-year mortgage.
Mortgage interest rate is 4.25%. Right after closing, she rent out the house for $1,800 per month. In addition to mortgage payment and rent revenue, she listed the following information so as to figure out investment return: 1. HOA fee is $75 per month and due at end of each year 2. Property tax and insurance together are 3% of house value 3. She has to pay 10% of rent revenue for an agent who manages her renting regularly 4. Her personal income tax rate is 20%. While rent revenue is taxable, the mortgage interest is tax deductible. She has to make the mortgage amortization table to figure out how much interest she paid each year 5. In the last five years, the market value of the house has increased by 4.8% per year 6.
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Find the area of the figure 4 cm 9 cm
Answer:
Area = 36 cm^2
Explanation:
The area of a parallelogram is the product of width and height
\(A=w\times h\)Now in our case w = 9 cm and h = 4cm; therefore, the area is
\(A=4cm\times9\operatorname{cm}\)\(A=36\operatorname{cm}^2\)which is our answer!
two positive whole numbers greater than 1 multiply to 576 and have no common factors other than 1. what is the sum of those two numbers?
Thus, the two positive whole numbers that are greater than one multiply to 576 and share only the number one in common is 5.
Explain about the positive whole numbers?One of the categories that mathematicians have created for numbers is titled whole numbers, and it contains all of the numbers from 0 to infinity.
The specific class or collection of numbers known as whole numbers includes:
Are all positive numbers with no fractional or decimal parts, including zero.Positive numbers with no decimal or fractional portions are referred to as whole numbers, including zero. They are numerical representations of whole, unbroken things. The set of whole numbers is mathematically represented by the numbers 0 through 9.Two positive whole numbers greater than 1 are 2 and 3.
2 and 3 does not have any common factor except 1.
sum of 2 and 3 = 5
Thus, the two positive whole integers that are greater than one multiply to 576 and share only the number one in common is 5.
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Periodiste Kuta Software Infinite Algebra 2 Solving Multi-Step Equations Solve each equation. Name Sorrentoa Ceballos Date 3/112021 1) 4n - 2n = 4 an=4 2) 2 +50 + 2v 3) 3 = x + 3 - 5x 3-3 = -612 burro xeo 4) x + 3 3= -6Question 9
Simplify the equation for x.
\(\begin{gathered} 24=6(-x-3) \\ -x-3=\frac{24}{6} \\ -x=4+3 \\ -x=7 \\ -x\cdot(-1)=7\cdot(-1) \\ x=-7 \end{gathered}\)Answer is -7.
Help me for qn 2 guys
I need it as soon as possible
You find the litres of petrol you want and go up until you find where the line crosses this point and then see how far you can travel on the left so
a is 15km
and b is 39km
Look at the image and answer please
Answer:
I would but there's no image
To gather information about the elk population, scientists marked 30 elk. Later, they flew over the area and counted 150 elk, 18 of which were marked. To the nearest whole number, what is the best estimate of the elk population
The best estimate of the elk population, to the nearest whole number, is 250.
To estimate the elk population, we can use the mark-recapture method. This method assumes that the ratio of marked individuals to the total population is equal to the ratio of marked individuals recaptured to the total number of individuals captured in the second sample.
Let's denote the total elk population as "P" and the number of marked elk in the first sample as "M1". We also know the number of marked elk recaptured in the second sample, which is "M2", and the total number of elk counted in the second sample, which is "N2".
According to the mark-recapture method, we can set up the following equation:
M1 / P = M2 / N2
Plugging in the given values, we have:
30 / P = 18 / 150
To solve for P, we can cross-multiply and then divide:
30 * 150 = 18 * P
4500 = 18P
Dividing both sides by 18:
P = 4500 / 18
P ≈ 250
Therefore, the best estimate of the elk population, to the nearest whole number, is 250.
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To gather information about the elk population, scientists marked 30 elk. Later, they flew over the area and counted 150 elk, 18 of which were marked. To the nearest whole number, what is the best estimate of the elk population ??
What is range in relation and function?
The group of all possible dependent values that a function or relation can produce from its domain values is known as its range. It consists of every potential output.
In the given question we have to explain what is range in relation and function.
The range refers to all the entities (output) that result from a relation or function. The Range set is made up of all used output values (dependent values).
The group of all possible dependent values that a function or relation can produce from its domain values is known as its range. It consists of every potential output.
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A study of all the students at a small college showed a mean age of 20.4 and a standard deviation of 2.7 years a. Are these numbers statistics or parameters? Explain. b. Label both numbers with their appropriate symbol (such as x, , s, or s). a. Choose the correct answer below. O A. The numbers are statistics because they are estimates and not certain. O B. The numbers are parameters because they are estimates and not certain. O C. The numbers are parameters because they are for all the students, not a sample. O D. The numbers are statistics because they are for all the students, not a sample.
A study of all the students at a small college showed a mean age of 20.4 and a standard deviation of 2.7 years.
(a) These numbers are statistics because they are based on a sample of students from a small college. They are not certain, but estimates.
(b) The mean age is labeled with the symbol x and the standard deviation with the symbol s. The sample size is not given, so we cannot use the symbol n to represent it.
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consider a cdf for a random variable x given by fx(x)=1-1/x 1
the cdf for the random variable x is given by fx(x) = 1 - 1/x.
a cdf (cumulative distribution function) is a function that gives the probability that a random variable X is less than or equal to a specific value x. In this case, the cdf fx(x) for the random variable x is equal to 1 - 1/x.
To calculate the probability that x is less than or equal to a specific value, we can plug in that value for x in the cdf formula. For example, if we want to find the probability that x is less than or equal to 2, we can plug in 2 for x in the formula and get:
fx(2) = 1 - 1/2
fx(2) = 0.5
This means that there is a 50% chance that x is less than or equal to 2.
the cdf for the random variable x is given by fx(x) = 1 - 1/x, which allows us to calculate the probability that x is less than or equal to a specific value.
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A survey was given to a random sample of 400 residents of a town to determine whether they support a new plan to raise taxes in order to increase education spending. Of those surveyed, 168 respondents said they were in favor of the plan. Determine a 95% confidence interval for the proportion of people who favor the tax plan, rounding values to the nearest thousandth.
A researcher reports that her obtained chi square of -17.56 is significant because it exceeds the critical chi square of -3.841 for an alpha of .05 with 2 degrees of freedom. What mistake has been made
The mistake that the researcher made is that; neither critical nor obtained Chi squares can have negative values
How to check the chi - square statistic?
A chi-square statistic is one way to show a relationship between two categorical variables. In statistics, there are two types of variables: numerical (countable) variables and non-numerical (categorical) variables.
The chi-squared statistic is a single number that tells you how much difference exists between your observed counts and the counts you would expect if there were no relationship at all in the population.
Now, Chi square (χ²) is the sum of a set of squared values, and as such it can never be negative. The minimum chi - squared value would be obtained if each Z = 0 so that χ² would also be 0. There is no upper limit to the χ² value. Similarly, the critical chi square cannot also be negative.
Thus, we can conclude that the mistake that the researcher made is that neither critical nor obtained Chi squares can have negative values
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Graph the boundary line of x + 5y <20.
Answer:
its triangle shown in attached figure
Step-by-step explanation:
Graph is attached
0.54 + 17/100 = blank/100 + 17/00
Answer:
54 i think
Step-by-step explanation:
Answer:54
Step-by-step explanation:
The decimal 0.54 is equal to 54/100
The points (-1, -3) and (2, r) lie on a line with slope 3. Find the missing coordinate r.
Answer:
r=6
Step-by-step explanation:
(r-(-3))/(2-(-1)) = (r+3)/3
r+3/3 = 3/1
cross-multiply:
r+3 = 9
r = 6
Check:
6-(-3)/2-(-1) should equal 3
9/3 = 3
checks out correctly
Answer:
r = 6
Step-by-step explanation:
Formula
m = (y2 - y1)/(x2 - x1)
Givens
x1 = - 1
x2 = 2
y1 = - 3
y2 = r
m = 3
Solution
3 = (r - -3) / (2 - - 1) Combine
3 = (r + 3) / 3 Multiply both sides by 3
9 = r + 3 Subtract 3 from both sides
6 = r + 3 - 3
6 = r
A toy store sells accessories to go with the latest action figure. The store projects that it will sell a certain number of accessories for every box of a dozen action figures it orders. Let d represent one box of a dozen action figures. A new accessory, the Laser Saber, has sales equal to 1.5 times the difference of the number of Invisible Shields and X-Ray Vision Glasses.Part AWrite an expression to represent the number of Laser Sabers sold.Part BHow would you write an equivalent expression for the price in simplified form? Explain.Part CAdd the expressions to find the total number of all four accessories sold.Part DIf the toy store sold 78 of the latest action figure, how many accessories did it sell? Explain.
Answer:
a) 12d + 9
c) 30d + 12
d) 207
Explanation:
First, we need to write an expression for each accessory.
Since d is the number of boxes, we get:
Turbo Jet Pack. Six times the number of boxes plus seven
6d + 7
X-Ray Vision Glasses. Five less than two times the number of boxes
2d - 5
Invisible Shield. One more than ten times the number of boxes
10d + 1
Part A.
Then, the Laser Saber has sales equal to 1.5 times the difference of the number of Invisible Shields and X-Ray Vision Glasses.
1.5((10d + 1) - (2d - 5))
Because 10d + 1 is the number of invisible shields and 2d - 5 is the number of X-Ray Vision Glasses.
Now, we can simplify the expression as
1.5(10d + 1 - 2d + 5)
1.5(8d + 6)
1.5(8d) + 1.5(6)
12d + 9
Part C.
Then, we need to add all the expressions before to get:
(6d + 7) + (2d - 5) + (10d + 1) + (12d + 9)
(6d + 2d + 10d + 12d) + (7 - 5 + 1 + 9)
30d + 12
Therefore, the total number of all four accessories is 30d + 12
Part D.
To know how many accessories did it sell, first, we need to find how many dozens are 78 action figures, so
78/12 = 6.5
Therefore, they sold 6.5 boxes of the action figure. Now we can find the number of accessories sold, replacing d with 6.5 in the expression of part C, so
30d + 12
30(6.5) + 12
195 + 12
207
Then, they sold 207 accessories.
[3 - (6 ÷ 3)3] x 11 + 11?
Answer:
The answer is -11(3x-1)
Step-by-step explanation:
Thats what the calculator said
Hope this helps!!!
help please , i need this fast
the correct option is (c )
I REALLY NEED HELP! PLEASE help me...
Answer:
A. The domain is (1,∞), and the range is (-7,∞)
Step-by-step explanation:
Well lets graph it first,
Look at the image below ↓
By looking at the image we move it 3 units right and 3 units down.
Then it will be located at the point (1,-7).
Meaning for the domain it starts at 1 and goes on for infinity.
And For the range it starts down at -7 and goes down for infinity.
Thus,
the correct answer is choice A.
Hope this helps :)
Answer:
A
Step-by-step explanation:
Solution:-
- First we will go through the guidelines that are followed when a given function [ f ( x ) ] is translated in a cartesian coordinate system domain.
Horizontal shifts:
Left shift: f ( x ) - > f ( x + a ). Right Shift: f ( x ) - > f ( x - a )Where, the constant ( a ) denotes the magnitude of shift
Vertical shifts:
Up shift: f ( x ) - > f ( x ) + bDown Shift: f ( x ) - > f ( x ) - bWhere, the constant ( b ) denotes the magnitude of shift
- The generalized form of a translated function is defined by the combination of both horizontal and vertical shifts as follows:
General: f ( x ) -> f ( x ± a ) ± b
Where, (a) and (b) are constants of respective translation shifts.
- We are given a function H ( x ) is to be translated 3 units to right and 3 units down. Use the above guidelines to determine the translated function H* ( x ) as follows:
\(H ( x ) = \sqrt{x+2} - 4\\\\H^* ( x ) = H ( x - 3 ) - 3\)
- Substitute ( x - 3 ) in place of all ( x ) in the given function H ( x ) and subtract ( 3 ) from H ( x ) as follows:
\(H^* ( x ) = \sqrt{x-3 + 2} -4 - 3\\\\H^* ( x ) = \sqrt{x-1} -7\\\)
- Now we will look for any transcendental functions in the translated function H*(x). These are " Radicals, fractions, Logs, trigonometric ratios "
- We have a radical - > " square root " in H* ( x ). To find the domain of H*(x) we need to determine for what real values of x is the function H*(x) is defined.
- The square root exist for all only positive numbers. So the terms under the square root must be positive; hence,
\(x - 1 \geq 0\\\\x \geq 1\)
- Since the square root is the only transcendental in the given function H*(x) we have a one sided closed interval for the domain of the translated function.
Domain: [ 1 , ∞ ) ... Answer
- The range of the function is the corresponding output of function H*(x) for the domain established above. We can determine this by plugging in the end-points of the defined domain in the translated function H*(x) as follows:
\(H^* ( 1 ) = \sqrt{1 - 1} - 7 = -7\\\\H^* ( inf ) = \sqrt{inf - 1} - 7 = inf - 7 = inf\\\\\)
Therefore the range of the function is also a one sided closed interval bounded by x = 1.
Range: [-7 , ∞ ) ... Answer
Tex is the proud owner of Tex's Taco Truck. On Friday morning, Tex withdrew $100 for supplies from his account at the local bank. Then in the evening, he made a $250 deposit with money earned during lunchtime. What was the total change in Tex's bank account relative to where it started?
Answer:
Relative change= 1.5Step-by-step explanation:
Given that Tex's initial account balance is $100 and he withdrew this amount,
in the evening he deposited $250
the change that happened in the account is described with the operation bellow
relative change= (old-new)/old
relative change= (100-250)/100
relative change= (150)/100
relative change= 1.5
Answer:
150
Step-by-step explanation:
250-100=150
A craftsman wants to build this fiddle. He needs to know the area of the face of the fiddle. How could he use the measurements shown to find the area?
The Area of Trapezium is 50, 267 mm².
We have,
base 1 = 224 mm
base 2 = 77 mm
Height = 334 mm
Now, Area of Trapezium
= 1/2 (Sum of parallel side) x height
= 1/2 (224 + 77) x 334
= 1/2 x 301 x 334
= 50, 267 mm²
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