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be a Lat represent one number and let y represent...
Let x represent one number and let y represent the other number. Twice a first number...
Let x represent one number and let y represent the other number. Twice a first number decreased by a second number is 5. The first number increased by four times the second number is - 29. Use the given conditions to write a system of equations. Solve the system and find the numbers. Write a system of equations. ОА. B 3x +y = - 30 ( x + y = - 30 |2x - y = 5 x + 4y...
you must set up 2 equations, you must set up the matrices. Solve the following word...
you must set up 2 equations, you must set up the
matrices.
Solve the following word problems. Remember: define your variables, write a system of equations to represent the situation, and use elimination or substitution to solve. 1. The sum of twice a number and 4 times another number is 4. The first number decreased by the second number is 5. Find the numbers.
Let X represent the number of customers arriving during the morning hours and let Y represent...
Let X represent the number of customers arriving during the morning hours and let Y represent the number of customers arriving during the afternoon hours at a diner. You are given X and Y are Poisson distributed The first moment of X is less than the first moment of Y by 8 The second moment of X is 60% of the second moment of Y Calculate the mean and variance of X and Y
A company manufactures 2 models of MP3 players. Let x represent the number (in millions) of...
A company manufactures 2 models of MP3 players. Let x represent the number (in millions) of the first model made, and let y represent the number (in millions) of the second model made. The company's revenue can be modeled by the equation R(x, y) = 150x + 160y - 4x? - 3y? – ry Find the marginal revenue equations D Rz(x, y) = Ry(?, y) = We can achieve maximum revenue when both partial derivatives are equal to zero. Set...
pls solve like example Assign 7.3.25 Find all local extrema for the function f(x,y) = x3...
pls
solve like example
Assign 7.3.25 Find all local extrema for the function f(x,y) = x3 - 12xy + y. Find the local maxima. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. There are local maxima located at (Type an ordered pair. Use a comma to separate answers as needed.) OB. There are no local maxima. Question Hel Find all local extrema for the function f(x,y)=x°-21xy+y3. The function will have local...
Let R(x) represent revenue, in thousands of dollars, and x represent the amount spent on advertising,...
Let R(x) represent revenue, in thousands of dollars, and x represent the amount spent on advertising, in thousands of dollars. Find the following for R(x) = -x +36x² + 1000, O SXS 17. (a) Find R''(x). (b) Find the point of diminishing returns. (a) R''(x) = Find the point of diminishing returns (x,y) for the function R(x), where R(x) represents revenue (in thousands of dollars) and x represents the amount spent on advertising in thousands of dollars). R(x) = 10,000...
PROBLEMS Solve for y. 3.1. - x + 4x + sin 6x 3.4. y + 3x...
PROBLEMS Solve for y. 3.1. - x + 4x + sin 6x 3.4. y + 3x = 0 3.5. (x-1)? ydx + x? (y - 1)dy = 0 Just find a solution. Solving for y is tough. Test for exactness and solve if exact. 3.6. (y - x) dx + (x? - y) dy - 0 3.7. (2x + 3y) dx + (3x + y - 1) dy - 0 3.8. (2xy Y + 2xy + y) dx + (x*y*el...
solve them by step , thank yooooooou 1. Consider the matrix A = [ 24 31....
solve them by step , thank yooooooou
1. Consider the matrix A = [ 24 31. a) (7 pnts) Find the characteristic polynomial of A. b) (7 pnts) Compute the matrix B = A- 2A +812. c) (6 pnts) Can you describe how to find the inverse of A using characteristic equation? 2. a) (7 pnts) Solve the second order homogeneous linear differential equation y" - y = 0. b) (6 pnts) Without any solving, explain how would you change...
Solve the given system of equations X - y (1) 5x - 72 = 30 (2)...
Solve the given system of equations X - y (1) 5x - 72 = 30 (2) 5y + z = 10 (3) Select the correct choice below and fill in any answer boxes within your choice. OA. The solution is x= y= and z=(Type integers or simplified fractions) OB. There are infinitely many solutions. Using ordered triplets, they can be expressed as {(x,y,z)|x== z any real number) (Simplify your answers. Type expressions using z as the variable as needed) OC....
6. Let x represent the area of an island (in square miles) and y be the...
6. Let x represent the area of an island (in square miles) and y be the number of species of birds found on that island. Suppose x and y are related by y = ax" (allometrically). The first island has an area of 20 square miles and 10 species of birds. The second island has an area of 50 square miles and 14 species of birds. Given this information, find b.
Let x represent one number and let y represent the other number. Twice a first number decreased by a second number is 5. The first number increased by four times the second number is - 29. Use the given conditions to write a system of equations. Solve the system and find the numbers. Write a system of equations. ОА. B 3x +y = - 30 ( x + y = - 30 |2x - y = 5 x + 4y...
you must set up 2 equations, you must set up the
matrices.
Solve the following word problems. Remember: define your variables, write a system of equations to represent the situation, and use elimination or substitution to solve. 1. The sum of twice a number and 4 times another number is 4. The first number decreased by the second number is 5. Find the numbers.
A company manufactures 2 models of MP3 players. Let x represent the number (in millions) of the first model made, and let y represent the number (in millions) of the second model made. The company's revenue can be modeled by the equation R(x, y) = 150x + 160y - 4x? - 3y? – ry Find the marginal revenue equations D Rz(x, y) = Ry(?, y) = We can achieve maximum revenue when both partial derivatives are equal to zero. Set...
pls
solve like example
Assign 7.3.25 Find all local extrema for the function f(x,y) = x3 - 12xy + y. Find the local maxima. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. There are local maxima located at (Type an ordered pair. Use a comma to separate answers as needed.) OB. There are no local maxima. Question Hel Find all local extrema for the function f(x,y)=x°-21xy+y3. The function will have local...
Let R(x) represent revenue, in thousands of dollars, and x represent the amount spent on advertising, in thousands of dollars. Find the following for R(x) = -x +36x² + 1000, O SXS 17. (a) Find R''(x). (b) Find the point of diminishing returns. (a) R''(x) = Find the point of diminishing returns (x,y) for the function R(x), where R(x) represents revenue (in thousands of dollars) and x represents the amount spent on advertising in thousands of dollars). R(x) = 10,000...
PROBLEMS Solve for y. 3.1. - x + 4x + sin 6x 3.4. y + 3x = 0 3.5. (x-1)? ydx + x? (y - 1)dy = 0 Just find a solution. Solving for y is tough. Test for exactness and solve if exact. 3.6. (y - x) dx + (x? - y) dy - 0 3.7. (2x + 3y) dx + (3x + y - 1) dy - 0 3.8. (2xy Y + 2xy + y) dx + (x*y*el...
solve them by step , thank yooooooou
1. Consider the matrix A = [ 24 31. a) (7 pnts) Find the characteristic polynomial of A. b) (7 pnts) Compute the matrix B = A- 2A +812. c) (6 pnts) Can you describe how to find the inverse of A using characteristic equation? 2. a) (7 pnts) Solve the second order homogeneous linear differential equation y" - y = 0. b) (6 pnts) Without any solving, explain how would you change...
Solve the given system of equations X - y (1) 5x - 72 = 30 (2) 5y + z = 10 (3) Select the correct choice below and fill in any answer boxes within your choice. OA. The solution is x= y= and z=(Type integers or simplified fractions) OB. There are infinitely many solutions. Using ordered triplets, they can be expressed as {(x,y,z)|x== z any real number) (Simplify your answers. Type expressions using z as the variable as needed) OC....
6. Let x represent the area of an island (in square miles) and y be the number of species of birds found on that island. Suppose x and y are related by y = ax" (allometrically). The first island has an area of 20 square miles and 10 species of birds. The second island has an area of 50 square miles and 14 species of birds. Given this information, find b.
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