Solve the system of equations by using the addition method. 4x-3y = -28 12x-7y = -20

Q: Consider the following vectors: a = V1 = V2 = -2 V3 = -2 -8 6 10 -7 10 -8 b = For each of the…

A:

Q: Scheduled payments of $545, $1157 and $1257 are due in one and a half years, three and half years,…

A: We have to find the equivalent single replacement payment three years from now if interest is 2.4%…

Q: Show that A + AT is symmetric for any square matrix A.

A:

Q: Suppose you are buying face mask for yourself, your friends, and family during this Covid-19…

A: We have to find the average cost per face mask.

Q: Solve the inequality. Then graph the solution set. 2x - 3 3 -4 <- O 1 a/n ald 15 2 555 00 x < ²2/0 0…

A: Follow the procedure given below.

Q: A Pawn Loan: Jeffrey Kowalski wants to take his mother out for dinner on her birthday, but until the…

A: This question can be solved using the concept of simple interest.

Q: Work Problem You must provide a clear and detailed solution for the question. -2 Find the inverse of…

A:

Q: a) b) Find the area of the triangle determined by the given point P₁(1, 2, 4), P2(1, -1, 3), P3(-1,…

A: Let's solve for area of triangle and complex number parts.

Q: Find the discriminant of: f(x)=(5x+4)(2x+2)

A:

Q: √√√x + √√√x−1 = √√√2x-3 -

A:

Q: 11x – (2x2+ 8x)

A: We have to simplify 11x - (2x2 + 8x)

Q: Write an equation for a line perpendicular to 2y−4x=−2 and passing through the point (-6,0). Solve…

A:

Q: What type of slope does the line above show? * O negative O positive zero undefined I can write the…

A: a) As shown in diagram, line passing though the point (0,2) Therefore at (0,2) line cross the Y axis…

Q: Solve for y and write an equation for a line perpendicular to y=−5x−3 and passing through the point…

A: The line perpendicular to the line y=-5x-3 and passing through the point 15,4

Q: Consider the following function. Function f(x) = 8x4 - 14x³ - 127x² - 24x + 45 (a) Verify the given…

A:

Q: Given the matrix 2 22 A = 0 2 3 7 7 1 Find the |A| by transforming the matrix A to the triangular…

A:

Q: Which point is not an inequality: (1, -3), (2,0), (-4,2) or (0,0)

A: This is a problem related to inequalities. Based on the general formula and concept we will answer…

Q: Monthly, Juan's net earnings are 5000, and expenses are 4.500. If Juan saves the difference, how…

A:

Q: n LU factorization for A = 3-7 -3 5 21 6-4 0

A:

Q: Use a graphing utility to graph the function. f(x) = =x²-4x² 2 X = 0-6 -4 X = -6 -4 Need Help? -2…

A:

Q: find A using the formula A=Pe^rt given the following values of P, r, and t. Round to nearest…

A:

Q: Assume there are no deposits or withdrawals An account now contains $11,160 and has been…

A: Here we have to find the initial deposite.

Q: Consider the equation of the line: 5x+3y=5 (a) Solve the equation for y. (b) Give the slope of the…

A:

Q: PV = c [1-(1+r) (1-4 please make r the subject ] -n

A: The term present value of annuity refers to the series of equal future payments that are discounted…

Q: The first four Laguerre polynomials are 1, 1-t, 2-4t+t², and 6-18t+9t2-1³. Show that these…

A: Here, the given vectors are 1,1-t, 2-4t+t2, 6-18t+9t2-t3

Q: Find an equation of variation where y varies jointly as x and the square of z, and where y = 105…

A: y varies jointly as x and the square of z, and where y=105 when x=55 and z=7

Q: Solve the inequality. (Enter your answer using interval notation.) 1 X + 4 X Graph the solution set.…

A:

Q: 201 Exercise 10(d) page 131: Find the inverse, if exists, of the matrix A = 0 elementary row…

A:

Q: How many milliliters of pure acid should be added to 35 ml. of 30% acid to make 55% acid solution?…

A:

Q: Find the equation for the graph of the hyperbola with vertices at (4,0) and (-4,0) and one focu at…

A: Given :Vertex : 4, 0 and -4, 0Focus : -6, 0

Q: If f(x)=2x+1 and g(x)=x^2+5, what is g(f(2))?

A:

Q: Which ordered pair is a solution to the following system of inequalities? y=-x2 + 5x y> x2 - 4 O…

A:

Q: Describe the left-hand and right-hand behavior of the graph of the polynomial function. (Select all…

A:

Q: 4. A passenger vessel whose dimension is 90m H x 60m W x 100m L has a mass of 500 metric tons. What…

A:

Q: of the followings are correct about the cardinality of the domain, codomain and range of a function?…

A:

Q: Consider the accompanying matrix as the augmented matrix of a linear system. State in words the next…

A:

Q: Determine whether the series is absolutely convergent, conditionally convergent, or divergent. Σ…

A:

Q: You invest $3500 in an account at interest rate r, compounded continuously. Find the time required…

A: For compounded continuously  A=pert  p=initial amount r=rate of interest t=time in years A=Amount at…

Q: QUESTION 8 If $2,000 is invested at 6% compounded continuously, how long (to the nearest year) will…

A:

Q: Write an equation for the line perpendicular to 2y-4x=-2 and that passes through the point (-6,0).

A: Solution of given question is written in below steps.

Q: Solve the equation by rewriting the exponential expression using the indicated logarithm. 60e-0.13t…

A:

Q: 42²2²-10x+25=

A:

Q: Find & such that the following matrix M is singular. k= M = 1 2 1 AD 3 4 -1 19+k 12 0

A: Given the matrix,M=12134-119+k120

Q: Grupo 3 2x + 4y + 6z 12 -2x - 4y +z = -5 -x-2y + 2z = -1. a) Use the gauss elimination method and…

A:

Q: Graph the system of inequalities. Then find the coordinates of the vertices. x-y≤8 x + 2y = - 4…

A:

Q: A person enrolls in a diet and exercise program that guarantees a loss of at least 1 pounds per…

A:

Q: 2. Given matrix A below complete parts A-E(SHOW WORK) [1 5 0 A= 0 -6 -1 L0 0 (a) Find the…

A:

Q: true or false 10 – 3(x + 2) can be simplified to 7x + 14

A: Given :10-3x+2

Q: Suppose that the functions and g are defined as follows. 4 f(x)=x-6 (²)(x) g(x)= g Find . Then, give…

A:

Q: The following linear system is Select one: x + 3y + mz = m 2x + 2y 3mz = -3m, 5x + 11y = 0 -…

A: