The values of a₀ and a₁ are a₀ = -1 and a₁ = 2, respectively.
To solve the given differential equation in the form y(x) = a₀y₀(x) + a₁y₁(x), where y₀(x) and y₁(x) are linearly independent solutions, we need to find these solutions and determine the values of a₀ and a₁.
First, let's find the general solution of the differential equation. We assume a power series solution of the form y(x) = Σₙ₌₀ aₙ(x - 2)ⁿ.
Differentiating y(x) with respect to x:
y'(x) = Σₙ₌₀ aₙn(x - 2)ⁿ⁻¹
Differentiating y'(x) with respect to x:
y''(x) = Σₙ₌₀ aₙn(n - 1)(x - 2)ⁿ⁻²
Now, substitute y(x), y'(x), and y''(x) into the given differential equation:
xy''(x) - (x - 2)y(x) = 0
Σₙ₌₀ aₙn(n - 1)x(x - 2)ⁿ⁻² - Σₙ₌₀ aₙ(x - 2)ⁿ = 0
To solve for a₀ and a₁, we equate the coefficients of like powers of (x - 2). For simplicity, we only consider terms up to (x - 2)⁴:
Terms involving (x - 2)⁰:
a₀(0)(-2)⁰ - a₀(0) = 0
a₀ = a₀
Terms involving (x - 2)¹:
2a₀(1)(-2)¹ - a₁ = 0
-2a₀ - a₁ = 0
a₁ = -2a₀
Therefore, we have a₀ = a₀ and a₁ = -2a₀.
Given y(2) = 1 and y'(2) = 0, we can substitute these conditions into the expression for y(x) to find the values of a₀ and a₁:
y(2) = a₀y₀(2) + a₁y₁(2) = a₀ + a₁ = 1
a₀ - 2a₀ = 1
a₀ = 1
a₀ = -1
a₁ = -2a₀ = -2(-1) = 2
Hence, the values of a₀ and a₁ are a₀ = -1 and a₁ = 2, respectively.
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Some zip codes in Tennessee start with a "37", then they have 3 more numbers after that (ex: 37XXX). How many possible zip codes exist starting with a "37"?
a
720
b
50653
c
120
d
1000
Answer:
b
Step-by-step explanation:
-1/4b + 1/2 - 1/8b + 13/24
Simplify this expression
Marking first correct brainliest
Answer:
-3/8b + 25/24
Step-by-step explanation:
-1/4b + 1/2 - 1/8b + 13/24
We can write as
-2/8b + 12/24 - 1/8b + 13/24
-3/8b + 25/24
Select the lines that represent functions.
Answer:
All of them except the squiggly one and the vertical one
Step-by-step explanation:
The rest are functions, two of them are lines, and the curved swoop is a parabola, which is also a function
Function is a set of relation without same or repetitive domain. Because we are checking if the following graphs are function or not. It is easier to do line test.
How to check if the graphs are function.
Draw a vertical line.If the line passes or intercepts the graph only one point. The graph is function.If the line passes or intercepts the graph more than a point. The graph is not a function.Overall, the graphs that are not function are the vertical line and the vertical curve graph.
AnswerA horizontal lineA line with slope or steepnessParabola aka curve graph (The graph is not a line. The question asks for lines which represent functions. I am not sure if they want all graphs that are function or just lines that are functions. A Parabola graph is also a function but not a line graph.)Feel free to ask if you are confused.
Can someone help with this and teach me how?
432x486
209952 is the value of 432x486
What is Multiplication?Multiplication is a method of finding the product of two or more numbers
We need to multiply 432 and 486
Steps to follow to find this
1. Line up both your numbers with one on top of the other.
2.Make sure that the places match up for the ones, tens, and hundreds
3. Multiply the top number by the last digit of the second number – the 'ones' unit.
432
×486
___________
2592
3456+
1728++
_____________
209952
Hence, 209952 is the value of 432x486
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SisjsjkakaiaiiaiaiaiSKSKSKSKSKKSKSKSKSKKSJSJSKSMSMSJSJSM
Answer:
2(6+1)
Step-by-step explanation:
its so easy because in sec..134 there is a • like this and look
2(6+1)
2 of 7
2×7
14,,,
and
24-5×2=14,,, is the answer,,,
Identify whether the statement represents an exponential function. The height of a projectile = at time t is represented by the function h(t) = -4.9t^2 + 18t + 40. a) Yes, the statement represents an exponential function. b) No, the statement does not represent an exponential function_ Show your work and explain, in your own words, how you arrived at your answer_
The correct answer is option (b) No, the statement does not represent an exponential function, h(t) = -4.9t² + 18t + 40 is a quadratic function and not an exponential function.
An exponential function is a mathematical function in which the variable is in the exponent. Exponential functions follow the form f(x) = a^x, where a is the base and x is the exponent.
The given statement is h(t) = -4.9t² + 18t + 40, which does not represent an exponential function. The value of t is not in the exponent in this case. Instead, it's a quadratic equation, which is in the form of h(t) = at² + bt + c.
Therefore, the correct answer is option (b) No, the statement does not represent an exponential function.
Explanation:
An exponential function can also be represented by the general form y = ab^x, where b > 0 and b ≠ 1. When plotted on a graph, the curve of an exponential function rises or falls at an increasing rate, depending on whether b is greater than or less than 1, respectively.
A quadratic equation is an equation of the form ax² + bx + c = 0, where a ≠ 0, and x represents a variable. Quadratic equations are second-degree equations, which means the highest exponent of the variable is two.
Therefore, h(t) = -4.9t² + 18t + 40 is a quadratic function and not an exponential function.
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A number minus twice another number is 4. Three times the first number plus two times the second number is 12. What are the numbers?
Answer:
4 and 0
Step-by-step explanation:
I hope this helps
The first number is 4 and the second number is 4.
What is the system of equation?One or many equations having the same number of unknowns that can be solved simultaneously called as simultaneous equation. And simultaneous equation is the system of equation.
Given:
A number minus twice another number is 4.
Three times the first number plus two times the second number is 12.
Let numbers are n and m.
According to the question;
n- 2m = 4 equation 1
3n + 2m = 12 equation 2
Now, we have the system of equation.
To solve the equation,
Add both of the equation,
4n = 16
n = 4
Then m = 0
Therefore, 0 and 4 are the numbers.
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solve: 3x^2+16x+5=0
I did it but apparently its wrong so, please help it would literally probably help me finish high school.
Answer:
(3x+1)(x+5)
Step-by-step explanation:
Sorry for my handwriting lol hope this makes sense
What factor could you pull out of 10x AND 5?
2
x
10
5
WILL GIVE BRAINLY
Hi! I hope you're enjoying your day!
The common factor of 10x and 5 is
5.
What is a factor?
It's a number that a number is evenly divisible by.
Example: 2 is a factor of 10, because 10 is evenly divisible by 2.
Also, it may be tempting to say, "Well, 2 is the common factor!"
And that's not true in this case, because 5 isn't divisible by 2.
x is also not a common factor; 5 is a constant, it doesn't have any variables next to it.
Hence, the factor is
\(\boxed{\boxed{\bold{5}}}\)
Hope everything is clear.
If you have any questions, please comment.
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determine the continuous growth rate of city a if the population was 85,000 in 1965 and 72,000 in 1974.
The continuous growth rate of City A was -0.06% per year between 1965 and 1974. This means that the population decreased by an average of 6% each year during this period.
To calculate the growth rate of City A between 1965 and 1974, we first need to determine the difference in population between the two years. The population in 1965 was 85,000, and the population in 1974 was 72,000. Thus, the difference in population is -13,000. Next, we need to calculate the growth rate, which is equal to the difference in population divided by the initial population, multiplied by 100. Therefore, the growth rate of City A between 1965 and 1974 is -13,000 ÷ 85,000 x 100 = -0.06. This means that the population of City A decreased by an average of 6% each year during this period.
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What is the equation of the graphed line written in standard form?
2x + 3y = -6
2x + 3y = 6
y=-2/3x-2
y= 2/3x-2
Answer:
What is the equation of the graphed line written in standard form?" has four options: 2x + 3y = -6, 2x + 3y = 6, y=-2/3x-2, and y= 2/3x-2. The standard form of a linear equation is Ax + By = C, where A, B, and C are constants. In this case, the first two options, 2x + 3y = -6 and 2x + 3y = 6 are already in standard form. The last two options, y=-2/3x-2 and y= 2/3x-2 are not in standard form. However, without additional information such as a graph or coordinates of points on the line, it is not possible to determine which of these options is the correct equation for the graphed line.
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A natural sponge company's profit, P(x), is modeled by the function P(x) = −0.1x2 + 15x + 120, where x is the number of $0.15 increases in the price of each sponge. Use the graph to answer the question. Graph of function p of x equals negative 0.1 x squared plus 15 x plus 120. The graph has the x-axis labeled as number of price increases, and the y-axis labeled as profit. The curve begins at (0, 120), increases to (75, 682.5), and then decreases through (157.614, 0). Choose the answer choice that correctly shows the coordinates for the company's profit if there are no price increases.
The company's profit if there are no price increases is $120.
We have,
The problem provides a function P(x) that models the profit of a natural sponge company.
The function takes as input the number of $0.15 increases in the price of each sponge, denoted by x.
When the value of x is 0, it means that there are no price increases, and therefore the initial price of each sponge is unchanged.
Now,
If there are no price increases, then the value of x in the function P(x) is 0, since x represents the number of price increases.
Substituting x = 0 into the function, we get.
P(0) = -0.1(0)^2 + 15(0) + 120 = 120
Therefore,
The company's profit if there are no price increases is $120.
We can also see this from the graph of the function, which starts at (0, 120) and represents the profit when there are no price increases.
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Write an equation that represents the line.
Use exact numbers.
Answer:
6/5 is the slope, so x=6/5+2.5y
Step-by-step explanation:
I think
The vehicle preference of police officers and firefighters is given in the table. Based on the information in the table, which or the following is an example of independent events
Answer:
Step-by-step explanation:
I had this exact question and I figured it out.
the answer is: P(police officer and chooses car)
In order to get this answer I did the P(police officer) X P(choosing car)
It ended up being 36/45 X 15/45. Which is equal to around .2666667.
Now you take the Intersection of police officer and chooses car and you divide it by 45. That value on the chart is 12.
lucky enough, the product of 36/45 and 15/45 is equal to 12/45.
So 0.8 X 0.33 = .26
.26 = .26
Answer:
answer is P(police officer and chooses car)
Step-by-step explanation:
the probability of P(policer officer) and P(choose a car) are independent probabilities ( they are not overlapping probabilities)
Sammy counts the number of people in one section of the school auditorium. He counts 18 female students, 16 male students, and 6 teachers. There are 720 people in the auditorium. Consider the probability of selecting one person at random from the auditorium
Correct Question:
He counts 18 female students, 16 male students, and 6 teachers. There are
720 people in the auditorium. Consider the probability of selecting one person
at random from the auditorium.
Which of these statements are true?
Choose all that apply.
A: The probability of selecting a teacher is 6%.
B : The probability of selecting a student is 85%.
C : The probability of selecting a male student is 32%.
D : The probability of selecting a female student is 45%.
Step-by-step explanation:
Option B and D are correct because
The total number of people in one cross section = 18 + 16 + 6 = 40.
A = The probability of selecting a teacher is = (6/40)x100 = 15 % not equal to 6 %
B = The probability of selecting a male student is = (34/40)x100 = 85%
C = The probability of selecting a male student is = (16/40)x100 = 40 % not equal to 32 %
D : The probability of selecting a female student is = (18/40)x100= 45%
It rained from 7:49 PM to 11:12 PM. How long was it raining?
I WILL GIVE BRAINLIEST FOR WHOEVER ANSWERS FIRST AND CORRECTLY!! The sum of Ellie's age and Genya's age is 60. In six years Genya will be eight times as old as Ellie. How old is Ellie now?
What is the set of x-intercepts of this graphed function?
-3, -1, 3
Step-by-step explanation:X-intercepts are also known as the roots or zeros of a function.
Finding Intercepts From Graphs
In the problem, we are given a basic polynomial graph. The x-intercepts are where the graphs intersect with the x-axis. Remember that the x-axis is the horizontal axis. Finding x-intercepts when given a graph is as simple as just looking to see where the line crosses over. We can see that the graph crosses the axis in three points. The x-intercepts are x = -3, -1, and 3.
Finding Intercepts From Equations
In this question, we are not given an equation, but if we were there is another possible way to solve it. The x-intercepts occur when y = 0. So, to find x-intercepts from an equation, all you need to do is plug 0 in for y and solve.
Figure II is a translation image of Figure I. Write a rule to describe the translation.
The translation rule is (x,y)→(x+ __ , y+ __ )
The translation rule is (x, y) → (x + (-2) , y + 4)
We have,
From the figure,
We see the coordinates of Figure I.
(4, -5), (2, 1), and (-3, -3) _____(1)
We see that the coordinates of Figure Ii.
(2, -1), (0, 5), and (-5, 1) _____(2)
Now,
From (1) and (2),
Taking the corresponding coordinates.
(4, -5) and (2, -1)
(2, 1) and (0, 5)
(-3, -3) and (-5, 1)
We see that,
x coordinates is substrated by 2 and y coordinate is added by 4.
So,
The translation rule is (x, y) → (x + (-2) , y + 4)
Thus,
The translation rule is (x, y) → (x + (-2) , y + 4)
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The cost of movie tickets at Central Cinema just changed. The old price and the new price are shown for adults and children. How much more does it cost for tickets for 2 adults and 3 children at the new prices then at the old prices?
Answer:
can u give the prices for the tickets?
An adult ticket costs $2 more than a child ticket
Let x and (x + $2)represent the cost of the child and adult ticket respectively
2(x+ $2) + 3x = $34
now solving for x
2x+ $4 + 3x = $34
5x = $30
x = $6 , the cost of the child ticket.
the cost of adult ticket $6+2=$8
Step-by-step explanation:
Jace wants to ride his bicycle 21.4 miles this week. He has already ridden 7 miles. If he rides for 4 more days, write and solve an equation which can be used to determine xx, the average number of miles he would have to ride each day to meet his goal.
Answer:
3.6 miles
Step-by-step explanation:
Set up an equation. Start with the total goal of 21.4 on one side, then think about what goes on the other. He's already ridden 7 miles, and this is going to be the same as the 21.4, so start with a 7. Then, in addition to those 7, he'll need to ride some amount on average for 4 more days, so that would be + 4x. This equation its 21.4 = 7 + 4x, and now just solve for x.
21.4 = 7 + 4x
14.4 = 4x
3.6 = x
Don't forget your units! (: Also, let me know if any part of this needs a more in-depth explanation.
Mary uses one third of a gallon of gasoline driving back and forth to work every day. How much gasoline does she use in 30 days?
Answer:
10 gallons
Step-by-step explanation:
1/3 x 30/1 = 30/3 =10
When Nellie Newton hangs at rest in the middle of a clothesline, tensions will be the same in each side of the rope when:
a. the lengths of each rope are the same
b. the angles for both sides of the rope are equal
c. she is in equilibrium
The tensions in each side of the rope will be the same when Nellie Newton hangs at rest in the middle of a clothesline and the lengths of each rope are the same.
When Nellie Newton is in equilibrium, meaning she is at rest and not experiencing any acceleration or movement, the forces acting on her must be balanced. In the case of a clothesline, the tension in each side of the rope contributes to the balancing of forces.
For the tensions to be the same in each side of the rope, the lengths of the ropes must also be the same. This ensures that the forces applied to each side are equal and balanced, resulting in Nellie Newton remaining in a stable position without any net force acting on her.
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Use 3.14 for pi
Find the volume
Answer:
The volume is ( 718.013 mi^3)I hope that is useful for you :)
What is the solution to the given equation 2(y-5)=14
Answer: y=12
Step-by-step explanation:
Distribute
Add 10 to both sides
Simplify.
Answer: y = 12
Step-by-step explanation:
2 ( \(y\\\) - 5 ) = 14
2\(y\\\) - 2 · 5 = 14
2\(y\\\) - 10 = 14
(2\(y\\\) - 10) + 10 = 14 + 10
2\(y\\\) = 24
\(\frac{2y}{2} = \frac{24}{2}\)
what is x 2 −6x=-156
Find the 5th term in a sequence whose general term is an = 3n 7.
The given sequence has a general term of an = 3n + 7. We need to find the 5th term of the sequence.
Step-by-step solution:
Given, the general term of a sequence, an = 3n + 7
Here, we have to find the 5th term of the given sequence.
To find the 5th term, substitute n = 5 in the general term equation of the given sequence.
So, the 5th term of the sequence is:
a5 = 3(5) + 7= 15 + 7= 22
Therefore, the 5th term of the sequence whose general term is an = 3n + 7 is 22.
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What is the slope for (-2,1) and (7,1)
Answer:
m=0
Step-by-step explanation:
the slope (m) can be calculated from two points with the formula (y2-y1)/(x2-x1)
we are given the points (-2,1) and (7,1)
label the points:
x1=-2
y1=1
x2=7
y2=1
now substitute into the equation
m=(1-1)/(7--2)
m=0/9
m=0
the slope of the line is 0
Hope this helps!
11. The path of a pirate ship adventure ride at a theme park follows the shape of a parabola. The ship swings back and forth, accelerating to the base and then upwards. The height of a rider above ground level, h m, can be modelled by the equation h = 1.2x² - 12x + 30, where x is the horizontal distance of the rider from where the ride begins. (i) On a sheet of graph paper, using a scale of 2 cm to represent 1 m on the x-axis and 4 cm to represent 10 m on the h-axis, draw the graph of h = 1.2x² 12x + 30 for 0≤x≤ 10. (ii) Explain the meaning of the constant term 30 in - the equation. (iii) When a rider is 19.2 m above ground level, water is splashed on him. Find the horizontal distance a rider travels between the two splashes.
(i) The graph is attached below. (ii) the minimum value of the function is h = 30, when x = 5. (iii) the horizontal distance traveled by the rider between the two splashes is 2 × 9 m = 18 m.
Describe Acceleration?Acceleration is a physical quantity that measures the rate at which the velocity of an object changes over time. It is a vector quantity, meaning that it has both magnitude and direction.
Acceleration is defined as the change in velocity of an object divided by the time interval over which the change occurred. It is typically measured in meters per second squared (m/s²) in the metric system, or in feet per second squared (ft/s²) in the imperial system.
If the velocity of an object is increasing, its acceleration is said to be positive. If the velocity is decreasing, the acceleration is said to be negative or deceleration. If the velocity is constant, there is no acceleration.
(i) Using the given scale, we can plot the graph of h = 1.2x² - 12x + 30 for 0 ≤ x ≤ 10 as follows:
Parabolic graph is attached below.
(ii) The constant term 30 in the equation represents the minimum height of the pirate ship ride above ground level. This is because the equation is in the form of a quadratic function in standard form, y = ax² + bx + c, where the vertex of the parabola is at the point (-b/2a, c - b²/4a). In this case, the vertex is at (5, 0), which means that the minimum value of the function is h = 30, when x = 5.
(iii) We are given that a rider is 19.2 m above ground level, which means that h = 19.2. We can substitute this value into the equation and solve for x:
19.2 = 1.2x² - 12x + 30
1.2x² - 12x + 10.8 = 0
x² - 10x + 9 = 0
(x - 1)(x - 9) = 0
Therefore, the rider is at a height of 19.2 m when he is either 1 m or 9 m away from the starting point. Since the rider swings back and forth, the distance between the two splashes is twice the distance from the starting point to either splash. Therefore, the horizontal distance traveled by the rider between the two splashes is:
2 × 9 m = 18 m
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At a local bodega, the cost of a bottle of juice at the corner store is $1.40, and the cost of a bottle of soda is $1.20. What would it cost to get 4 bottles of juice and 7 bottles of soda? What would it cost to get xx bottles of juice and y bottles of soda?
Answer:
Expert Verified AnswerStep-by-step explanation:
To get 4 bottles of juice and 7 bottles of soda, it would cost:
4 bottles of juice * $1.40/bottle = $5.60
7 bottles of soda * $1.20/bottle = $8.40
The total cost would be $5.60 + $8.40 = $14.00
For xx bottles of juice and y bottles of soda, it would cost:
xx bottles of juice * $1.40/bottle = $1.40 * xx
y bottles of soda * $1.20/bottle = $1.20 * y
The total cost would be $1.40 * xx + $1.20 * y.