For Questions 1–2, use the differential equation given by dy/dx = xy/3, y > 0. 1. Complete the table of values x 1 1 1 0 0 0 1 1 1 y 1 2 3 1 2 3 1 2
45,796 results
calculus
The differential equation below models the temperature of a 87°C cup of coffee in a 17°C room, where it is known that the coffee cools at a rate of 1°C per minute when its temperature is 67°C. Solve the differential equation to find an expression for

Differential Equation
What is the solution of the differential equation of (6x+1)y^2 dy/dx + 3x^2 +2y^3=0?

Differential Equation
what is the differential equation of (3x^22y^2)+(14xy)dy/dx=0

Differential Equations
Consider the differential equation: dy/dt=y/t^2 a) Show that the constant function y1(t)=0 is a solution. b)Show that there are infinitely many other functions that satisfy the differential equation, that agree with this solution when t0 [Hint: you need to

Calculus
Suppose that we use Euler's method to approximate the solution to the differential equation 𝑑𝑦/𝑑𝑥=𝑥^4/𝑦 𝑦(0.1)=1 Let 𝑓(𝑥,𝑦)=𝑥^4/𝑦. We let 𝑥0=0.1 and 𝑦0=1 and pick a step size ℎ=0.2. Euler's method is the the

Calc
Consider the differential equation dy/dx=2x/y Find the particular solution y =f(x) to the given differential equation with the initial condition f(1) = 1

Calculus
Consider the differential equation dy/dx = x^4(y  2). Find the particular solution y = f(x) to the given differential equation with the initial condition f(0) = 0. Is this y=e^(x^5/5)+4?

calculus
1.Solve the differential equation dy/dx= y^2/x^3 for y=f(x) with the condition y(1) = 1. 2.Solve the differential equation y prime equals the product of 2 times x and the square root of the quantity 1 minus y squared. Explain why the initial value problem

Calculus
Consider the differential equation dy/dx = 2x  y. Let y = f(x) be the particular solution to the differential equation with the initial condition f(2) = 3. Does f have a relative min, relative max, or neither at x = 2? Since we're trying to find a max/min

Calculus BC
Let y = f(x) be the solution to the differential equation dy/dx=yx The point (5,1) is on the graph of the solution to this differential equation. What is the approximation of f(6) if Euler’s Method is used given ∆x = 0.5?

math
Consider the differential equation dy/dx = 1 + (y^2/ x). Let y = g(x) be the particular solution to the differential equation dy/ dx = 1 + (y^2/ x) with initial condition g(4) = 2. Does g have a relative minimum, a relative maximum, or neither at ?

Calculus!!
Consider the differential equation given by dy/dx = xy/2. A. Let y=f(x) be the particular solution to the given differential equation with the initial condition. Based on the slope field, how does the value of f(0.2) compare to f(0)? Justify your answer.

Calculus
Using separation of variables, solve the following differential equation with initial conditions dy/dx = e^(2x+3y) and y(0) = 1. Hint: use a property of exponentials to rewrite the differential equation so it can be separated

calculusdifferential equation
Consider the differential equation: (du/dt)=u^2(t^3t) a) Find the general solution to the above differential equation. (Write the answer in a form such that its numerator is 1 and its integration constant is C). u=? b) Find the particular solution of the

Differential equations in Calculus...plsssss help?
Suppose that represents the temperature of a cup of coffee set out in a room, where T is expressed in degrees Fahrenheit and t in minutes. A physical principle known as Newton’s Law of Cooling tells us that dT/dt = 1/15T+5 15T + 5. a) Supposes that T(0)

Calculus
Which of the following is a separable, firstorder differential equation? A) dy/dx= x+y/2x B) dy/dx=x+y/xy C) dy/dx=sinx

Help with differential eqs problem???? (Calculus)
Consider the differential equation dy/dt=yt a) Determine whether the following functions are solutions to the given differential equation. y(t) = t + 1 + 2e^t y(t) = t + 1 y(t) = t + 2 b) When you weigh bananas in a scale at the grocery store, the height

math
Can someone please help? Solve the differential equation dy/dx = 6xy with the condition y(0) = 40 Find the solution to the equation y= ______

Differential Equation
what is the differential equation of (6x+1)y^2 dy/dx + 3x^2 +2y^3=0

Calculus
Consider the differential equation dy/dx = x^2(y  1). Find the particular solution to this differential equation with initial condition f(0) = 3. I got y = e^(x^3/3) + 2.

I would like to understand my calc homework:/
Consider the differential equation given by dy/dx=(xy)/(2) A) sketch a slope field (I already did this) B) let f be the function that satisfies the given fifferential equation for the tangent line to the curve y=f(x) through the point (1,1). Then use your

Math
Consider a 92∘C cup of coffee placed in a 24∘C room. Suppose it is known that the coffee cools at a rate of 2∘C/min when it is 70∘C. Then according to Newton's law of cooling, the temperature T(t) of the coffee t minutes after being placed in the

calculus
is y = x^3 a solution to the differential equation xy'3y=0?? how do i go about solving this??? also, is there a trick to understanding differential equations? i'm really struggling with this idea, but i'm too embarassed to ask my professor for help.

math
The population of a bacteria culture increases at the rate of 3 times the square root of the present population. A. Model the population P = P(t) of the bacteria population with a differential equation. B. Solve the differential equation that models the

calculus
consider dy/dx = 22y where y=f(x) is the particular solution to the differential equation where f(0)=2. 1. write an equation for the line tangent to f at x=0 2. is f concave up or down at (0,2)? 3. find f(x)

Calculus
A chemical reaction proceeds in such a way that after the first second, the amount of a certain chemical involved in the reaction changes at a rate that’s inversely proportional to the product of the mass of the chemical present (in grams) and the time

CACULUS
dy/dx = (y1)^2 cosπx There's a horizontal line with equation y=c that satisfies this differential equation. Find the value of c.

Calculus
These are all the questions I missed on my practice quizzes, however I was never given the correct answers. I was hoping someone could give me the answers to these so I'd be able to study them! (I know some of them were simple/dumb mistakes :')) 1. Which

calculus
consider the differential equation dy/dx= (y  1)/ x squared where x not = 0 a) find the particular solution y= f(x) to the differential equation with the initial condition f(2)=0 (b)for the particular solution y = F(x) described in part (a) find lim F(x)

Calculus
For Questions 1–2, use the differential equation given by dy/dx = xy/3, y > 0. 1. Complete the table of values x 1 1 1 0 0 0 1 1 1 y 1 2 3 1 2 3 1 2 3 dy/dx 2. Find the particular solution y = f(x) to the given differential equation with the initial

Maths
The slope of a curve is equal to y divided by 4 more than x2 at any point (x, y) on the curve. A. Find a differential equation describing this curve. B. Solve the differential equation from part A. C. Suppose it’s known that as x goes to infinity on the

mathematics
Consider the fifferential equation dy/dx=(3y)cosx.Let y=f(x)be the particular solution to the differential equation with the inital condition f(0)=1.

Calculus
Consider the differential equation dy/dx=xyy. Find d^2y/dx^2 in terms of x and y. Describe the region in the xy plane in which all solutions curves to the differential equation are concave down.

Differential Equations
The velocity v of a freefalling skydiver is well modeled by the differential equation m*dv/dt=mgkv^2 where m is the mass of the skydiver, g is the gravitational constant, and k is the drag coefficient determined by the position of the driver during the

Calculus
For Questions 1–3, use the differential equation given by dx equals xy/3, y > 0. Complete the table of values x −1 −1 −1 0 0 0 1 1 1 y 1 2 3 1 2 3 1 2 3 dy/dx ? ? ? ? ? ? ? ? ? Find the particular solution y = f(x) to the given differential

math
The displacement s (in metres) of a body in a damped mechanical system, with no external forces satisfies the following differential equation: 6 3 2 2 dt ds dt d s where t represents time in seconds. If at time t = 0, s = 0 and 5 dt ds m/s,

calc
Let y = f(x) be the solution to the differential equation dy/dx = yx The point (5,1) is on the graph of the solution to this differential equation. What is the approximation of f(6) if Euler’s Method is used given ∆x = 0.5

calculus
In a pristine lake with carrying capacity K and fishing allowed, the logistic differential equation for the population N(t) of fish at time t(in days) is dN/dt= rN(1(N/K)  H. H= the fish harvested from the lake each day. If H= 3/16rK find all of the

Differential equation (urgent pls!!!)
Reduce the differential equation below to an exact equation (X  2siny + 3)dx (4siny  2x + 3)dy=0. The problem here is how to solve for the integrating factor...any help pls?

AP Calculus Help Five Questions
1. Find the particular solution to y " = 2sin(x) given the general solution y = 2sin(x) + Ax + B and the initial conditions y(pi/2) = 0 and y'(pi/2) = 2. 2. What function is a solution to the differential equation y '  y = 0? 3. If dy/dx = cos^2(pi*y/4)

university maths
solve the following differential equation: (x^2+xy)dy=(xyy^2)dx

AB Calculus
So I'm supposed to verify the solution of the differential equation. The solution is y=e^(x). The differential equation is 3y' + 4y = e^(x). What is the problem asking me to do here?

Calculus
dy/dx = 4ye^(5x) a) Separate the differential equation, then integrate both sides. b) Write the general solution as a function y(x). For the second part, I got y(x)=e^((5e^(5x))/(5)) + C but I don't understand how to separate differential equations and/or

Calculus PLSSSSS HELP DUE SOON
Assuming P≥0, suppose that a population develops according to the logistic equation dP/dt=0.03P−0.00015P^2 where tt is measured in weeks. Answer the following questions. 1. What is the carrying capacity? I tried solving the differential equation and

Calculus
Solve the differential equation dy/dx = xe^y and determine the equation of the curve through P(1,2) I tried solving the differential equation and I get y = log(x^2/2 + C). Is this correct? Now I forgot how to find the equation. Thank you!

Calculus
I'm having trouble with part of a question in a problem set. The question reads as follows: Continuous price discounting. To encourage buyers to place 100unit orders, your firm's sales department applies a continuous discount that makes the unit price a

Maths
A differential equation question Find the general solution to the equation (dy/dx)^2 + sinxcos^2x(dy/dx)  sin^4x = 0 Thanks

Calculus
The rate of decay is proportional to the mass for radioactive material. For a certain radioactive isotope, this rate of decay is given by the differential equation dm/dt = .022m, where m is the mass of the isotope in mg and t is the time in years. A. If

math
a bank account earns 7% annual interest compounded continuously. you deposit $10,000 in the account, and withdraw money continuously from the account at a rate of $1000 per year. a. write the differential equation for the balance, B, in the account after t

calculus
Sorry to post this again, but I am still unable to understand it and need help. Please help.1) Using 3(x3)(x^26x+23)^2 as the answer to differentiating f(x)=(x^26x+23)^3/2, which I have been able to do, I need to find the general solution of the

Calculus
If y′= x(1+ y) and y > 1 , then y = The differential equation dy/dx=y/x^2 has a solution given by:

Physics
Verify that the formula u(t)=Acos(ωo*t+Φ) is a solution to the differential equation for the mass on a spring, by plugging this expression for u(t) directly into the differential equation: d^2u/dt^2+ωo^2*u=0.

Math
One model for the spread of rumors is one where it is assumed that the rate of spread is proportional to the product of the fraction y of the population who have heard the rumor and the fraction who have not heard the rumor. Here y= y(t) is a function of

calculus
d=dmax (1e^(kt)) This equation is the result of integrating an ordinary differential equation. Derive that ODE and the associated initial condition.

Calculus
For Questions 1–2, use the differential equation given by dy/dx = xy/3, y > 0. 1. Complete the table of values x 1 1 1 0 0 0 1 1 1 y 1 2 3 1 2 3 1 2 3 dy/dx 2. Find the particular solution y = f(x) to the given differential equation with the initial

Math
The maximum number of arbitrary constants is equal to a. Number of derivatives in the differential equation b. Degree of differential equation c. Order of differential equation e. None of the above I don't understand this, but my guess it's letter A.

Calculus
Choose the appropriate table for the differential equation dy/dx=xy a) x 2, 0, 1 y 4, 1, 2 dy/dx 2,1,1

Math
For the harmonic potential V(x,y) = x^2 + y^2 a) Find the total differential, dV. For this I got dV = 2x.dx + 2y.dy b) Given that dV = F(x).dx + F(y).dy, where F(x) and F(y) is the force in the x and y direction, respectively, write a differential

calculus
hi! just needed help on an FRQ for ap calculus ab. let me know if you have any questions for me. I'm just really confused as far as what I am meant to do. If you could walk me through it that would be amazing. THANKS!! A population is modeled by a function

Calculus BC
Let y = f(x) be the solution to the differential equation dy/dx = yx The point (5,1) is on the graph of the solution to this differential equation. What is the approximation of f(6) if Euler’s Method is used given ∆x = 0.5?

math
10. Sales of televisions grow at a rate proportional to the amount present (t is measured in days). (a)Set up a differential equation to model this problem. (b)Solve the differential equation if at t = 0, there are 20 televisions sold and after 3 days,

Ap Calculus
Ok, I've been doing BC review tests to prepare for the AP exam. I came across this free response problem and I have no idea how to do it, can someone please help me with this? It gives the differential equations: dP/dt = .03P(30P) and it asks "Find the

MATH
Differential equations, initial value problem. The general equation of motion is: mx"+Bx'+kx=f(t), where the independent variable is t, and the displacement x is the dependent variable. In this case, external force f(t)=0, so mx"+Bx'+kx=0 substitute

Chemistry/Math
Write a differential equation describing a second order reaction – a reaction in which the rate of depletion of the concentration of the reactants depends on the square of reactants’ concentration. Solve this differential equation and hence find an

Differential Equations
Consider the differential equation: dy/dt=y/t^2 a) Show that the constant function y1(t)=0 is a solution. b)Show that there are infinitely many other functions that satisfy the differential equation, that agree with this solution when t0 [Hint: you need to

calculus
Can you give me a good website on the topic, slope fields and differential equations? I need to match six slope fields with the correct differential equation. 1. dy/dx=xy 2. dy/dx=1+x 3. dy/dx=cosx 4. dy/dx=2x 5. dy/dx=x+y 6. dy/dx=y(2y)

Differential Equations
Consider the differential equation: dy/dt=y/t^2 a) Show that the constant function y1(t)=0 is a solution. b)Show that there are infinitely many other functions that satisfy the differential equation, that agree with this solution when t0 [Hint: you need to

Differentail Equations
I cant figure out how to do this type of problem! Consider the first order differential equation y′+(x/(x^2−4))y=(e^x)/(x−9) For each of the initial conditions below, determine the largest interval a

Calculus
The differential equation below models the temperature of an 87°C cup of coffee in a 19°C room, where it is known that the coffee cools at a rate of 1°C per minute when its temperature is 69°C. Solve the differential equation to find an expression for

Calculus
solve the differential equation dy / dx = 11x^2y^2 with the condition that y(0) = 4 The solution to the equation is y =

Differential Equation
what is the differential equation of (2x+y+1)dx + (2y+x+1)dy=0

Maths
Please help me solve this differential equation : x^3+ ¡¼(y+1)¡½^(2) dy/dx=0

Maths
Please help me solve this differential equation: dy/dx(1+1/x)y=y^2

ordinary differential equation
consider the differential equation d^3x/dt^3  9(d^2x/dt^2)+ 27(dx/dt) 27x = c0s t +sin t + te^(3t) a) show that characteristic equation of the differential equation is (m3)^3 =0 (b) Hence, find the general solution of the equation.

Differential Equations
in this problem we consider an equation in differential form M dx+N dy=0 (2y2xy^2)dx+(2x2x^2y)dy=0 give implicit general solutions to the differential equation. F(x,y)=

PLEEEEEAAAASE HELP WITH DIFFERENTIAL EQ PROBLEMS!!
1) What are the equilibrium solutions to the differential equation and determine if it is stable or unstable with the initial condition y(4)=1: 0.1(y+2)(4y) 2) Use Euler's method with step size=0.5 and initial condition y(0)=3 to solve the equation

calculus
verify that y=c/x^2 is a general solution of the differential equation y'+(2/x) y=06y=0 then find a particular solution of the differential equation that satisfies the side condition y(1)=2

Math
a weight of mass m is attached to a spring and oscillates with simple harmonic motion. By Hooke's Law, the vertical displacement, y(t) satisfies the differential equation dy/dt=sqrt(k/m)*sqrt(A^2y^2) where A(Fixed) is the maximum displacement and k is a

Math  derivative of sinusoidal (check)
a) Find a function y=f(x) that satisfies the differential equation dy/dx = fifth derivative. This is one of the questions in my practice test, I tried the basic equation of the trig function such as f(x)= sin(x) or f(x)=sin(x) however in the fourth

math numerical methods
Consider the following second order differential equation: y"2x^(2)y+y^(3)=17cos(4x) with y(0)=4 , y'(0)=9 If we let u=y and v=y′ then as an AUTONOMOUS first order system, the second order differential equation is correctly expressed as:

Math
I need to solve this set of differential equations {y'+(t/2)1, y(0)=1} and then find the limiting value as t approaches infinity. I'm not sure where to start. I found the answer to the differential equation to be: y(t)=e^t^2/4[e^(r^2/4)dr

Physics
For the harmonic potential V(x,y) = x^2 + y^2 a)Find the total differential, dV. b) Show that dV is exact c) Given that dV = Fx.dx + Fy.dy where Fx and Fy is the force in the x and y direction, respectively, write a differential equation describing the

Maths
Experiments show that the concentration of substance X in a ﬁrst order chemical reaction at future time (in seconds) t i.e. [X] is described by the following diﬀerential equation: d[X]/ dt= .001[X], ﬁnd: (a) Find an expression for the concentration

calculus
determine whether the statement is true or false. If it is true, explain why it is true. If it is false, give an example to show why it is false a) the function f(x)=3/2 +cx^2 is a solution of the differential equation xy'+2y=3 b) the differential

Chemical Engineering
When a manometer is subjected to a time dependent pressure differential, the level of liquid in the legs changes with time according to the equation: (L/g)*(d^2h/dt^2)+(8uL/ygr^2)*(dh/dt)+h = dp/yg where L = length of liquid in tube, h is the height

Calculus
Find the particular solution of the differential equation particular solution of the differential equation dy/dx=(x−7)e^(−2y).

calculus
Solve the differential equation dy/dx = xe^y and determine the equation of the slope that passes by the point P(0,1) I get to: ∫ 1/e^y dy =  ∫ x dx which brings me to: 1/e^y + C = x^2/2 + C? What do you do after? Thank you.

Math
Fnd the equation of the curve through the point (1,2) of the differential equation dy/dx = 2xy/(x^2+1)

Calc
I have the differential equation dP/dt = 0.5(800P) and I need to get the population equation P(t). Can someone walk me through the steps? Thanks!

Math
An explicit solution of a differential equation is: a) a simpler equation b) a real number c) a function on some domain d) an approximation e) a linear relation

Calculus with Diffrential Equations: Pleease help?
Suppose that represents the temperature of a cup of coffee set out in a room, where T is expressed in degrees Fahrenheit and t in minutes. A physical principle known as Newton’s Law of Cooling tells us that dT/dt = 1/15T+5 15T + 5. a) Supposes that T(0)

Calculus
Suppose that represents the temperature of a cup of coffee set out in a room, where T is expressed in degrees Fahrenheit and t in minutes. A physical principle known as Newton’s Law of Cooling tells us that dT/dt = 1/15T+5 15T + 5. a) Supposes that T(0)

Differential Equation
what is the differential equation of (2xy+1) + (x^2 + 3y^2)dy/dx=0

Math
What will be its differential equation? y^22xy+x^2=a^2

Engineering Maths
please help solve this differential equation: x^3+(y+1)^2 dy/dx=0

math
how do you find the differential equation for t(dy/dt)+9y=8t and y(1)=6?

Calculus
If y′= x(1+ y) and y > 1 , then y = The differential equation dy/dx=y/x^2 has a solution given by:

calculus
F''(x)=x^3/2 f'(4)=1 f(0)=0 how do I solve this differential equation?

CALCULUS
Solve the differential equation: dy/dx = x (y^(1/3))

Calculus
Solve the differential equation f"(x)=x^2, f'(0)=3, f(0)=1