Homework Answers
Add Answer to:
4. Find values for x and y that satisfy the simultaneous equations below and check your...
4. a. Which choice is a simultaneous solution of these two equations: 3x + 4y =...
4. a. Which choice is a simultaneous solution of these two equations: 3x + 4y = 10 and 5x + 4y = 14 x = -1, y = -2 x = 2, y = 1 y=2x x=y x=1,y=2 b. Which choice is a simultaneous solution of these two equations: 30x + 40y = 100 and 50x + 40y = 140 x=-1,y=-2 x=2,y=1 y=2x x=y x=1,y=2 c. Which choice is a simultaneous solution of these two equations: 2x + y...
(6). The quantities x(t) and y(t) satisfy the simultaneous equations dt dt dx dt where x(0)-y(0)-...
(6). The quantities x(t) and y(t) satisfy the simultaneous equations dt dt dx dt where x(0)-y(0)-ay (0)-0, and ax (0)-λ. Here n, μ, and λ are all positive real numbers. This problem involves Laplace transforms, has three parts, and is continued on the next page. You must use Laplace transforms where instructed to receive credit for your solution (a). Define the Laplace Transforms X(s) -|e"x(t)dt and Y(s) -e-"y(t)dt Laplace Transform the differential equations for x(t) and y(t) above, and incorporate...
#4 3. Demonstrate that the following equations satisfy the "wave equation." For those that do, find the wa...
#4
3. Demonstrate that the following equations satisfy the "wave equation." For those that do, find the wave amplitude, wave speed, wavenumber, wavelength, angular frequency, and frequency in Hz? Also, denote if the wave is rightward or leftward travelling. c. y(x,t) 6cos(3x+18t) d. y(x,t) -3tan(6x+60t) yx,t) -6cos(67x)cos(80t) e. 4. For the equation given in 3(a), plot the response using a PC as a function of x over at least two full wavelengths at r-0.1 second. On a different plot, show...
Using matrix algebra, find a general solution to the following system of equations x' = 3x - 4y and y' = 4x - 7y
Using matrix algebra, find a general solution to the following system of equations x' = 3x - 4y and y' = 4x - 7yUsing matrix algebra, find a general solution to the following system of equations: x' = 3x - 4y y' = 4x - 7y The general solution functions are: ( use c1 and c2 as the constants and enter the elements of the eigenvectors as the lowest integer values. If one element of an eigenvector has a negative value enter the first element...
32. Simplify : a. x/3-x/4 b. 3/(2x) -4/x c. 1/2x-1/3x 33. Find x if: 3x +6...
32. Simplify : a. x/3-x/4 b. 3/(2x) -4/x c. 1/2x-1/3x 33. Find x if: 3x +6 = 2-5x a. b. x/m + x/n = 1 C 1/x = 3/m d. Sx/3 = 2 34. Find b if: x/(x+a) = 2/b a. b. v(x - b') =y 35. Solve the following Simultaneous linear equations and check in both equations: a) 3x+y=-4 x-2y 1 b) 5x+y=-8 2x-2y 4 Answer: x-1, y.3 36. Evaluate the expression below, if b-3 and c-2. 2bc'+(bc) Helpful...
Let F(x, y, z) = (2xsin(ay) - e3z)i + 2x+cos(2y)j + bre3zk. a) Find the values...
Let F(x, y, z) = (2xsin(ay) - e3z)i + 2x+cos(2y)j + bre3zk. a) Find the values of a, b such that the vector field is conservative. b) Evaluate ScF. dr where C is the curve from (1,0,0) and (3, 5, 1)
Simultaneous equations III Due in 21 hours, 29 minutes 5x+y=15 What are the values of x...
Simultaneous equations III Due in 21 hours, 29 minutes 5x+y=15 What are the values of x and y? Submit Answer Tries 0/10
(1 point) Find the maximum and minimum values of the function f(x, y) = 3x² –...
(1 point) Find the maximum and minimum values of the function f(x, y) = 3x² – 18xy + 3y2 + 6 on the disk x2 + y2 < 16. Maximum = Minimum =
Solve the Following 3x3 system of linear equations using Cramer's Rule. Use the expansion by minors...
Solve the Following 3x3 system of linear equations using
Cramer's Rule. Use the expansion by
minors method to evaluate the determinants. Find the
solution ordered triple and check. Show Work:
3x-2y+z=12
x+3y-2z=-9
2x-4y-3z=-4
[EXPAND ALONG ROW 1] "|" is just me manually making rows to show
expansion steps
x= |_______| = |________|______|_____|______|_____|=
________=_____=
y= |_______| = |________|______|_____|______|_____|=
________=_____=
z= |_______| = |________|______|_____|______|_____|=
________=_____=
ordered triple: {(__,__)}
Include checks on x,y,z
sorry i tried uploading picture of problem but it...
Find all the values of x* in the interval [ - 5,0] that satisfy the equation...
Find all the values of x* in the interval [ - 5,0] that satisfy the equation Sx)dx = f(x*)(-a) a in the Mean-Value Theorem for Integrals, if f(x) = x2 + x. Enter your answers, rounded to two decimal places, in increasing order. If there are less than two values, enter any values first and then enter NA in the remaining answer area(s). Show Work is REQUIRED for this question: Open Show Work
(6). The quantities x(t) and y(t) satisfy the simultaneous equations dt dt dx dt where x(0)-y(0)-ay (0)-0, and ax (0)-λ. Here n, μ, and λ are all positive real numbers. This problem involves Laplace transforms, has three parts, and is continued on the next page. You must use Laplace transforms where instructed to receive credit for your solution (a). Define the Laplace Transforms X(s) -|e"x(t)dt and Y(s) -e-"y(t)dt Laplace Transform the differential equations for x(t) and y(t) above, and incorporate...
#4
3. Demonstrate that the following equations satisfy the "wave equation." For those that do, find the wave amplitude, wave speed, wavenumber, wavelength, angular frequency, and frequency in Hz? Also, denote if the wave is rightward or leftward travelling. c. y(x,t) 6cos(3x+18t) d. y(x,t) -3tan(6x+60t) yx,t) -6cos(67x)cos(80t) e. 4. For the equation given in 3(a), plot the response using a PC as a function of x over at least two full wavelengths at r-0.1 second. On a different plot, show...
32. Simplify : a. x/3-x/4 b. 3/(2x) -4/x c. 1/2x-1/3x 33. Find x if: 3x +6 = 2-5x a. b. x/m + x/n = 1 C 1/x = 3/m d. Sx/3 = 2 34. Find b if: x/(x+a) = 2/b a. b. v(x - b') =y 35. Solve the following Simultaneous linear equations and check in both equations: a) 3x+y=-4 x-2y 1 b) 5x+y=-8 2x-2y 4 Answer: x-1, y.3 36. Evaluate the expression below, if b-3 and c-2. 2bc'+(bc) Helpful...
Let F(x, y, z) = (2xsin(ay) - e3z)i + 2x+cos(2y)j + bre3zk. a) Find the values of a, b such that the vector field is conservative. b) Evaluate ScF. dr where C is the curve from (1,0,0) and (3, 5, 1)
Simultaneous equations III Due in 21 hours, 29 minutes 5x+y=15 What are the values of x and y? Submit Answer Tries 0/10
(1 point) Find the maximum and minimum values of the function f(x, y) = 3x² – 18xy + 3y2 + 6 on the disk x2 + y2 < 16. Maximum = Minimum =
Solve the Following 3x3 system of linear equations using
Cramer's Rule. Use the expansion by
minors method to evaluate the determinants. Find the
solution ordered triple and check. Show Work:
3x-2y+z=12
x+3y-2z=-9
2x-4y-3z=-4
[EXPAND ALONG ROW 1] "|" is just me manually making rows to show
expansion steps
x= |_______| = |________|______|_____|______|_____|=
________=_____=
y= |_______| = |________|______|_____|______|_____|=
________=_____=
z= |_______| = |________|______|_____|______|_____|=
________=_____=
ordered triple: {(__,__)}
Include checks on x,y,z
sorry i tried uploading picture of problem but it...
Find all the values of x* in the interval [ - 5,0] that satisfy the equation Sx)dx = f(x*)(-a) a in the Mean-Value Theorem for Integrals, if f(x) = x2 + x. Enter your answers, rounded to two decimal places, in increasing order. If there are less than two values, enter any values first and then enter NA in the remaining answer area(s). Show Work is REQUIRED for this question: Open Show Work
Most questions answered within 3 hours.
-
Provide two or three examples of support he uses to reinforce
his arguments?
The Alienation of...
asked 28 seconds ago -
In a titration experiment, 11.5 mL of 0.400 M H2SO4 neutralized
48.0 mL of NaOH. What...
asked 2 seconds ago -
A shot-putter throws the shot with a horizontal velocity of 10
m/s and a
vertical velocity...
asked 15 minutes ago -
Mildred sells industrial-sized refrigeration units. Her
prospective buyer's face looks tense, and his forehead is wrinkled....
asked 17 minutes ago -
Clark Heter is an industrial engineer at Lyons Products. He
would like to determine whether there...
asked 1 hour ago -
3. Use a text editor to create a comma-delimited file of user
IDs and passwords. Revise...
asked 59 minutes ago -
Jensen and Associates has a projected balance
sheet that includes the following accounts. What is the...
asked 32 minutes ago -
implement a doubly-linked list in C. Each node in the linked list should contain a string,...
asked 55 minutes ago -
What are some best practices and things to avoid when developing
a PowerPoint presentation or file
asked 58 minutes ago -
Consider the ways that the government can get involved in
economic issues. What role do you...
asked 33 minutes ago -
Sodium carbonate is added to the tea mixture, in part, to form
the sodium salt of...
asked 56 minutes ago -
he plant started to purify its wastewater before discharging it
into the lake. How long will...
asked 1 hour ago