Solve the given differential equation by variation of parameters. x?y"+xy'-y In(x) v(x) -cjcos(In x) + cysin(In x)- In(x )sin (In x) cos (In(x))+ In(x)cos(In x) sin (In x) x>0 Need Help? Read t

Q: Amy agreed to clean her brother’s room for 36. It took her 1 hour longer than expected and therefore...

A: Topic = Algebra

Q: the 195 students in the senior class, 104 study Spanish and 85 study French, with 12 studying both s...

A: Given query is to find the Indicated probability.

Q: Expand and simplify this factorial polynomial: (x-10)^(4)

A:

Q: 3

A:

Q: just inherited $30,000 tax free from your grandfather's estate. You currently have: no savings or re...

A: We have inherited $30,000 tax-free from a family estate. We should use this to payoff all our debt. ...

Q: Suppose we want to choose 5 objects, without replacement, from 15 distinct objects.   How many ways...

A: topic -  permutation and combination 

Q: Find the star ard deviation for the following group of data items. 21, 24, 24, 30 The standard devia...

A: We can calculate the standard deviation as below.

Q: Find the present value: 1. Php 40,000 due in 2 years at 3% compounded monthly 2. Php 60,000 due in 3...

A: topic - compound interest

Q: Write a quadratic function h whose zeros are 5 and -3. h (x) = [] %3D

A:  

Q: You are an accountant for a manufacturer of radios.  The demand function for the tablets is p=40-4x^...

A:

Q: Which is identically equal to (sec A + tan A)? B. csc A – 1 D. csc A + 1 A. 1/ sec A + tan A C. 2/1-...

A: since you have posted multiple question in this question which are not interlinked so i have solved ...

Q: ) Using the graphs given below, draw the following equations. Be sure to ide a) у %3D (-х — 1)3 +2 b...

A: Since you have asked multiple question, we will solve the first question for you as per our guide li...

Q: Suppose that y varies directly with x, and y=6 when x 15. (a) Write a direct variation equation that...

A: A detailed solution is given below

Q: Use the related graph of each equation to determine its solutions. 14. x? + 4x = 0 15. -2r? – 4x – 5...

A:

Q: 1. Prove or disprove. a) det(A + B) = det(A) + det(B) b) det(AB"A')= det B c) (A+B)(A – B) = A² – B'...

A: According to the policy, I am doing the first three subparts. Explanation of the answer is as follow...

Q: 19. Mitch bought a total of 13 pizzas and buckets of wings for his big Super Bowl $11.75 for a pizza...

A: Given query is to find the the number wings buckets were bought.

Q: 0 1 Perform the indicated operations, given a = 3, b = -7, and B- (a + b)B (a + b)B =

A:

Q: Use the rational zeros theorem to list all possible zeros of the function f(x)=x^3−3x^2−3x+15 Enter ...

A: Question- Use the rational zeros theorem to list all possible zeros of the function f(x)=x^3−3x^2−3x...

Q: The circumference of a basketball rim is 56.6 inches. a. What is the diameter of the rim? 1.50 ft b....

A: Circumference of a basketball rim is 56.6 inches

Q: Find JA-11. Begin by finding A-1, and then evaluate its determinant. Verify your result by finding J...

A:

Q: Which graph represents the equestrian y= -2/5x + 1?

A: We have to find the graph of the given equation.

Q: use the laws of logarithms to combine the expression  a) log_a (b) + c log_a (d) -r log_a (s) b) 6...

A:

Q: solve P'x) wsing first principals a. let f :Ph \ 33→R, f[X) = X-3 b. let P:R -23-→R, f(x)=| X+2

A:

Q: A bouncy ball is dropped from a height of 16ft and always rebounds ¼ of the distance of the previous...

A:

Q: 3400 dollars is placed in an account with an annual interest rate of 7.5%. How much will be in the a...

A:

Q: Let f(x) = x2 − 1 and g(x) = 2x − 3. Find the value, if possible. (If not possible, enter IMPOSSIB...

A:

Q: Simplify by factoring. 9 3 - 384x /- 384x° = | 9 (Simplify your answer.) %D

A:

Q: Two angles are supplementary. One angle is 3° less than twice the other. Find the measures of the an...

A:

Q: Determine whether the matrix is in row-echelon form. If it is, determine whether it is also in reduc...

A: answer = this is reduced row-echelon form because in reduced row echelon form the third row's  2nd a...

Q: 2) The pre-image in red has been transformed to the image in green. Write the equation of both image...

A: (a) The graph of the green curve is forming by shifting y= x² to the right by 2 units and to the upw...

Q: During the exponential growth phase of Salmonella Enerica bacteria in a certain environment, the pop...

A:

Q: The vector (0, -2, -2) is a solution of the linear system: X1 + 3x2 – 3x3 = 3 5x1 + 13x2 – 13x3 = 13...

A:

Q: A simple economy produces food (F) and housing (H). The production of $1.00 worth of food requires $...

A:

Q: 1. If you have 100 grams of a radioactive isotope with a half-life of 10 years: a. How much of the i...

A:

Q: Solve the following system of equations. x+2y 10 -x-5y = -19

A: x+2y=10 → (1)-x-5y=-19 → (2)adding⇒ (1)+ (2) x+2y-x-5y=10-19-3y=-9y=3

Q: -nsider the quadratic function f(x) = x² – 5æ – 6. etermine the following: e smallest r-intercept is...

A:

Q: A set of data items is normally distributed with a mean of 50 and a standard deviation of 8. Convert...

A: Given,           A set of data items is normally distributed with a mean of 50 and a           stand...

Q: ercept. Write your answer as an ordered pair. If there isn't any

A:

Q: A cross section of a ramp is shown. 28 in 45 in The length of the base is 45 inches and the height o...

A:

Q: Brett can plow out all the driveways on his street with his new four-wheel-drive truck in 2 hours. U...

A: Time taken to plow driveway by Brett = 2 hrs Time taken to plow driveway by Brett's neighbour = 3 hr...

Q: 0 1 Perform the indicated operations, given a = 4, b = -5, and B = -1 (а + b)В (а + b)В

A: Given; a=4 ,b=-5 and B=0 1                              -1 2.

Q: Is \left(1,3\right)(1,3) a solution to this system of equations? ​ ​ 4x+5y=19\newline x+5y=164x+5y=1...

A: Yes (1,3) is the solution of system of equation

Q: 28 Samantha gathered the following information on a given day at the dog park. • There are 32 dogs p...

A:

Q: A survey was conducted at a local ballroom dance studio asking students if they had ever competed in...

A: To find, the probability  the student competed in Rhythm GIVEN they had competed in Smooth or Standa...

Q: Determine whether the given 3-tuple (15, –5, 5) is a solution of the linear system: 2.x1 -4x2 -x3 = ...

A:

Q: by cofactors to find the determinant of the matrix. 5 4 0 3 0 0 -4

A:

Q: ) What are the real and imaginary parts of (1+i)exp(-i/4)/W2? ) What are the real and imaginary part...

A:

Q: AY

A: topic - quadratic equations

Q: 20. A total of 800 pre-sale tickets and tickets at the gate were sold to the football city champions...

A: From the given information, x = the number of presale tickets sold. y = the number of tickets sold a...

Q: Fill in the blank with the correct answer. ( Simple Interest) Amount/Maturity Principal Interest Rat...

A: