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Differential Equations

01/12/23

Equations and Inequalities

Zach pays a monthly fee of $3.95 plus $0.10 per minute for long distance calls. Write an equation for the phone bill p in terms of number of minutes m. Then solve to write an ordered pair (m,p)... more

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Differential Equations

01/06/23

If α and β are the roots of the indicial equation 2^(2x+3)=9(2^x )-1,find α+β

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Differential Equations

01/03/23

unique solution, inconsistent or dependent

If you have 4 wooden planks of different lengths. When plank a and d are placed end to end the totallength is 16 inches. When planks b and c are end to end the total length is 8 inches. Does... more

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Differential Equations

12/21/22

Solve the following homogenous equation x^2 dy/dx = y^2. Please help me, thank you sir.

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Differential Equations

12/21/22

Use the method of undetermined coefficients to solve the differential equation y” + 4y’ + 4y = cos x + e^-3x /2. Help me please, thank you sir.

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Differential Equations

12/21/22

Solve the following differential equation x^2 dy/dx + y = 3x^4 e^1/x , y(1)=1Help me please, thank you.

Solve the following differential equation x^2 dy/dx + y = 3x^4 e^1/x , y(1)=1. Help me please, thank you.

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Differential Equations

12/21/22

Differential equations

Find the integrating factor and solve the given differential equation :(x²y² + xy + 1) dx + (x²y² - xy + 1) dy=0

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Differential Equations

12/21/22

solve the differential equation 1/x dy/dx = - \sqrt xy

solve the differential equation 1/x dy/dx = - \sqrt xy and give answer in terms of y(x)

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Differential Equations

12/21/22

show that the differential equation (x^2 cos y + y^2) + dy + 2x sin ydx = 0 is exact and find its solution

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Differential Equations

12/19/22

If s is a function of t, find the differential coefficient of s in 2t^2-3t/√t+1

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Differential Equations

12/13/22

Equation questions

Becky drove 1/7 of her trip and flew for 7/10 of it. She walked for the rest of the trip. For what part of the trip was Becky walking?

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Differential Equations Math Calculus

12/05/22

Eliminate the Arbitrary Constant

y=Ax^2+Be^(4x)there are only two AC (A&B) so I can only get up to the second derivative

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Differential Equations

12/05/22

Applications of quadratic equations

A rectangle has a length of 18 feet less than 7 times it’s width. If the area of the rectangle is 405 square feet, find the length of the rectangle

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Differential Equations

12/04/22

Determine whether f(x) .... is continuous, piecewise continuous, or neither on [0,10] and sketch the graph of f(t).

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Differential Equations

12/03/22

Let 𝑦=(𝑥2+3)4. Find the differential 𝑑𝑦 when 𝑥=4 and 𝑑𝑥=0.4

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Differential Equations

11/28/22

Quadratics solving

A rocket is launched from the top of a 60 m tall building. The rocket's height is given by h(t)=-2t2+10t +60, where h(t) is measured in meters and t is the time after the launch in... more

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Differential Equations

11/26/22

A number is 6 more than two times another number. Sum of the two number is 24. find the number ??

The answer of this question is 6,18. And this question is from Linear equations.. please give right answer . Because teacher takes test ... Pleasee fast

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Differential Equations Math Algebra 2 Precalculus

11/26/22

Find the required annual interest rate to the nearest tenth of a percent for $1200 to grow to $1600 if interest is compounded quarterly for 10 yr.

A=P(1+r/n)^tnI know how to plug it in, but when I work it out I always get the wrong answer.

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Differential Equations Math

11/25/22

differential calculus (pls help) rush

Determine the coefficients a, b, c, etc. so that the curve will satisfy the stipulated condition.make the curve y = ax^4+bx^3+cx^2+dx+e pass though the points (1, 9) and have critical points at (0,... more

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Differential Equations

11/21/22

Find y as a function of x if x2y′′+13xy′+36y=x2, y(1)=5, y′(1)=−2.

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Differential Equations

11/21/22

In this problem you will use undetermined coefficients to solve the nonhomogeneous equation y′′+6y′+9y=12te−3t−(18t+12) with initial values y(0)=2andy′(0)=−9.

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Differential Equations Calculus Precalculus

11/21/22

If 21+𝑓(𝑥)+5𝑥2(𝑓(𝑥))3=0 and 𝑓(2)=−1, find 𝑓′(2).

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Differential Equations Calculus

11/17/22

Woman sled question

A woman pulls a sled together with its load of mass m kg. Let g be acceleration due to gravity. If her arm makes an angle theta (vertical) with the ground and the co-efficient of friction (mu)... more

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Differential Equations Calculus

11/17/22

Optimization triangle and circle

A 2m wire is cut into two pieces. One is bent to make a triangle and another is bent to make a circle. Find where the wire should be cut for each figure to minimize the the total area of both... more

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Differential Equations Math Calculus Geometry

11/16/22

Find the Differential Question!

Let y = tan(5x+5).Find the differential dy when x = 5 and dx = 0.3IFind the differential dy when x = 5 and dx = 0.6

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Equations and Inequalities

If α and β are the roots of the indicial equation 2^(2x+3)=9(2^x )-1,find α+β

unique solution, inconsistent or dependent

Solve the following homogenous equation x^2 dy/dx = y^2. Please help me, thank you sir.

Use the method of undetermined coefficients to solve the differential equation y” + 4y’ + 4y = cos x + e^-3x /2. Help me please, thank you sir.

Solve the following differential equation x^2 dy/dx + y = 3x^4 e^1/x , y(1)=1Help me please, thank you.

Differential equations

solve the differential equation 1/x dy/dx = - \sqrt xy

show that the differential equation (x^2 cos y + y^2) + dy + 2x sin ydx = 0 is exact and find its solution

If s is a function of t, find the differential coefficient of s in 2t^2-3t/√t+1

Equation questions

Eliminate the Arbitrary Constant

Applications of quadratic equations

Determine whether f(x) .... is continuous, piecewise continuous, or neither on [0,10] and sketch the graph of f(t).

Let 𝑦=(𝑥2+3)4. Find the differential 𝑑𝑦 when 𝑥=4 and 𝑑𝑥=0.4

Quadratics solving

A number is 6 more than two times another number. Sum of the two number is 24. find the number ??

Find the required annual interest rate to the nearest tenth of a percent for $1200 to grow to $1600 if interest is compounded quarterly for 10 yr.

differential calculus (pls help) rush

Find y as a function of x if x2y′′+13xy′+36y=x2, y(1)=5, y′(1)=−2.

In this problem you will use undetermined coefficients to solve the nonhomogeneous equation y′′+6y′+9y=12te−3t−(18t+12) with initial values y(0)=2andy′(0)=−9.

If 21+𝑓(𝑥)+5𝑥2(𝑓(𝑥))3=0 and 𝑓(2)=−1, find 𝑓′(2).

Woman sled question

Optimization triangle and circle

Find the Differential Question!

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show that the differential equation (x^2 cos y + y^2) + dy + 2x sin ydx = 0 is exact and find its solution