Bob owns a watch repair shop. He has found that the cost of operating his shop is given by C(x) = 4x2 - 336x + 63 , where x is the number of watches repaired. How many watches should he repair to produce the lowest cost?

Q: Find the general solution using the method of undetermined coefficients. / x" – 4x =t² + 17t

A: Solution:

Q: The cost C of producing x number of paperback books is given by C = 4.50x + 2400. Income R from…

A: We have given that The cost C of producing x number of paperback books is given by…

Q: Solve the equation for x. a2 - (2a + 1)x + (a + 1) = 0 (a ≠ 0)

A: Solve the equation for x. a2 - (2a + 1)x + (a + 1) = 0 (a ≠ 0)

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A:

Q: Find the general solution y'=x-5/x^2-4x+4

A:

Q: solve for x the equation 4y = 3x2 + 2x – - 5

A: The given equation,     4y=3x2+2x-5

Q: solve for x the equation 4y 3x2 + 2r - 5

A:

Q: The cost of producing x cartons of CDs is C(x) dollars, where C(x) = 125x + 750. The CDs sell for…

A: Given: Cost function C(x) = 125x + 750 and sell for $375 per carton

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A:

Q: A fast-food restaurant has a cost of production C (r) = 12x + 95 and a revenue function R(r) = 7x.…

A:

Q: Find the solution (D3 + D2 − 4D − 4)y = 8x + 8 + 6e-x

A: The given problem is to find the solution for the given non homogeneous linear differential…

Q: A jewelry maker incurs costs for a necklace according to C(x) = 21x + 1650. If the revenue function…

A: A jewellary maker Incurs costs for a necklace according to C(X) = 21x+1650Revenue function R(x) =…

Q: Find the general solution for: (D² + 20D + 200)y = 20

A:

Q: A jewelry maker has total revenue for her bracelets given by R= 89.75x and incurs a total cost of C=…

A: given,total revenue for braceletsR = 89.75xtotal cost , C = 23.50x+1192.5where, x = number of…

Q: The revenue for a company producing friendship bracelets is given by f(x) = -15x2 - 30x + 200 %3D…

A: Given:- Revenue function f(x) = -15x2-30x+200 Cost function y=5x-12 x is price in dollars for each…

Q: Find the general solution 2x'y - (2x + y) = 0

A:

Q: The cost equation for a company to install X square feet of brick pathway is C =208+13x, and the…

A:

Q: (D² + 3D + 2)y = 12x²

A:

Q: Find the solution. 6y-2y = xy (x-1)+e B -1)-a

A: Solution

Q: f the remainder of the x3 - kx2 + 3x- 2 when divided by x 1 is 4, find he value of k.

A: Use reminder theorem.

Q: Solve the equation for x: x2 -xy=2y2

A:

Q: (5) The profit for Cocoa Board cocoa beans is given by Π(x)= −15x^2 + 180x − 405 thousand…

A:

Q: As x approaches 3, the value of 2x + 4 approaches

A: We can simplify as below

Q: (a) How many tonnes must be sold for to not make a loss?

A:

Q: y5 + 2y3 +2y" = 2x2-3 find the particular solution using undetermined coefficients

A:

Q: The management of the producers of a famous hot sauce estimate that their profit (in dollars) from…

A: The management of the producers of a famous hot sauce estimate that their profit (in dollars) from…

Q: A blogger earns R(x) = 9x + 0.073x² in revenue, where a is the number of subscribers, and has a cost…

A: Given that Rx=9x+0.073x2Cx=1950+8x

Q: Obtain the general solution. (D^2 + 9)y = 5e^x-162x^2

A: General solution of differential equation

Q: (D³+ 7D² + 6D)y = 0

A: We have given (D3+7D2+6D)y=0.

Q: Find the general solution by substitution or elimination Q6 A: * = x -2 y +t — х —у+2t dt

A: The system is x'y'=1-21-1xy+t2t Obtain the eigenvalues: A-λI=01-λ-21-1-λ=0-1-λ2+2=0λ=±i The solution…

Q: solve my grouping method x2 + 7x +12

A:

Q: A company manufactures wristwatches and the profit, P. (in hundred thousand pesos) can be modeled by…

A: The given profit function is a polynomial.

Q: The revenue generated by a company manufacturing lawnmowers is R(x)=-0.1x^2+53.4x. Where ex…

A: Given:    R(x)=-0.1x^2+53.4x      C(x)= 43x+500

Q: SOLVE THE NHLDECC USING UNDETERMINED COEFFICIENT (D3 + D² – 4D – 4)y = 3e¯x – 4x – 6 ANSWER: y =…

A: Solve by undetermined coefficient

Q: The population of a colony of squirrels is given by 1500 p(t) %3D 3 + 2e-0.1t

A:

Q: V14-2x x-7 What value of x satisfies the equation shown?

A: The solution is :

Q: -3x 2. Find the general solution for y'+3y=2xe *

A: Here we find general solution for y'+3y = 2x'e-3x

Q: Use the equations for the total cost C and total revenue R to find the number x of units a company…

A:

Q: Producing x footballs costs C(x) = 2.5x +500. If each football sells for $22.50, determine the…

A: Let x be the number of quantity.The selling price of the footballs is P(x) = $22.50x.And the cost…

Q: The cost function in a dress factory is C(x) = 5x + 27 and the revenue function is R(x) = - 3x +…

A: To find: The number of dresses sold that will provide $69 thousand profit. Given information: The…

Q: 3) (4 – x²)y' + xy = 4

A: 3)

Q: Solve dʻy - 2x- xe 2x– xe dx² by using the undetermined coefficient method.

A:

Q: Use the equations for the total cost C and total revenue R to find the number x of units a company…

A:

Q: Find the value of x that will make A||B. A 2x + 5 3x-2 X = [?]

A:

Q: Q8. Solve y() +3y" - 4y x + e2x.

A:

Q: Revenue of a company is modeled by R(x)=x^2+15x-30 and Cost is modeled by C(x)=x^2+10x+55. How many…

A: Let's find.

Q: Obtain the general solution using the method of undetermined coefficients (D³+D²-4D-4)y = 3e^-x - 4x…

A:

Q: Dľhe total costs for a company are given by C(x) = 2000 + 40x + x? and the total revenues are given…

A:

Q: The value of x is 4x -9 A 15 D

A: A line is tangent to a circle if and only if the line is perpendicular to the radius drawn to the…

Q: A potter makes bowls and has estimated that the cost C (measured in dollars) of making x bowls is…

A: topic - equation in one variable