1,286 Answered Questions for the topic differential equations

Differential Equations

01/27/21

What is Kim and Amy age
Kim is two years older than three times Amy’s age. Their ages add up to 98.
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Differential Equations Algebra 1 Algebra 2 Mathematics

01/27/21

The pig pen: Suppose that a rectangle pig pen is 4 feet longer than it is wide and its area is more than 32 square feet. The question is the dimension of the pen.
3. Sketch the graph of the function 𝑦 = 𝑥 2 + 4𝑥 − 32 and shade the 𝑥 −values that satisfy the inequality: 𝑥 2 + 4𝑥 − 32 > 0.
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Differential Equations

01/23/21

Find the roots of the indicial equation
Find the roots of the indicial equation of the differential equation(x2-1)2y"+(x+1)y'-y=0At x=-1
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Differential Equations

01/22/21

what is 4 1/2-3/4
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Differential Equations

01/18/21

Write a equation for a parabola with a focus at (-2,5) and a directrix at x=3
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Differential Equations

01/18/21

Find the general solution (x+2y-1)dx-(2x+y-5)dy=0
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Differential Equations

01/18/21

Find the general solution of (3x-y+1)dx-(9x-3y-3)dy=0
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Differential Equations Calculus

01/17/21

Applying two different methods, solve this DE: y' + (a + bx)y = f(x)
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Differential Equations

01/14/21

Differential equations
Use power series method to solve;y"+9y= 0
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Differential Equations

01/13/21

differential equation
Solve the differential equation (x2 + 3y2)dx 2xydy = 0 with initial condition y(2) = 6.
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Differential Equations

01/11/21

Write an equation.
Little Billy is twenty pounds less than Big Billy. Together they weigh 100 pounds. Use p for weight.
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Differential Equations

01/11/21

PLEASE HELP ASAP! PLEASE

solve the differential equation:(e^(-x2/2) - xy) dx=dy
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Differential Equations

01/08/21

Twice the difference of a number and 6 equals 5
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Differential Equations Calculus

01/07/21

Area D with six surfaces is stated as follows
D=2xy+2yz+2zxVolume is expressed as follow= xyz =1000i) Find the area equation of area, D in x and y only.ii) Find the critical point for the equation obtained in question.iii) Determine whether it... more
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Differential Equations Math Triangle

01/06/21

The perimeter big a triangle is 43 cm. The largest side is 4 times the smallest side. The other side is 8 more than twice the smallest side. What is the length of the smallest side?
This is my question from 10th grade I'm really confused about it I hope anyone can help me with this please. Thank you!
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Differential Equations

01/02/21

If the demand function is P = 3000 − 2√Q find expressions for TR and MR. Calculate the marginal revenue when Q = 9 and give an interpretation of this result.
If the demand function is P = 3000 − 2√Q find expressions for TR and MR. Calculate the marginal revenue when Q = 9 and give an interpretation of this result.
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Differential Equations

01/01/21

Translate sentences into equations

Seven more than the product of a number and 4 equals 9 use the variable w for the unknown number
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Differential Equations

01/01/21

dC/dY for the consumption function C = Y (2Y + 3) + 10
dC/dY for the consumption function C = Y (2Y + 3) + 10
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Differential Equations

01/01/21

d(AC)/dQ for the average cost function AC = 20 Q + 7Q + 25
d(AC)/dQ for the average cost function AC = 20 Q + 7Q + 25
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Differential Equations

01/01/21

d(TR)/dQ for the total revenue function TR = 40Q − 3Q √ Q
d(TR)/dQ for the total revenue function TR = 40Q − 3Q √ Q
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Differential Equations

01/01/21

dπ/dQ for the profit function π = −2Q3 + 15Q2 − 24Q − 3
dπ/dQ for the profit function π = −2Q3 + 15Q2 − 24Q − 3
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Differential Equations Linear Algebra

12/26/20

What is the general form of the matrix exponential of a 2x2 non-diagonalizable matrix?
Include the following matrix and prove its n-th power formula, given here too, in your answer: ⌈ λ 1 ⌉ ⌈ λn n*λn-1 ⌉D = | | and Dn = | | , ... more
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Differential Equations

12/24/20

solving each equation (find all of the zeros) for 3x2 -x3-22x2=24x=0
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Differential Equations Application Of Differentiation

12/20/20

The point P on the curve C has parameter p qne the point Q has coordinates (-π, 0). The origin is denoted by O. Given that p is increasing at a constant rate of 0.1 units per second,

find the rate of decrease of triangle OPQ when p=3π/4parametric equations:x = θcosθ, y=θsinθ, for 0<θ<π
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Differential Equations Linear Algebra

12/19/20

Find the general solution of the ODE x^2 y" + xy' + (x^2 - 1/4 )y = x^3/2 cos x if sinx/√ x and cosx/√x are two independent solutions of the corresponding homogeneous problem for x > 0.
Use method of Variation of parameters
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