a11 a12 a13 T4 Let A = a21 a22 a23 be the matrix whose inverse is A-1 = -1 Find the value of x3 in the unique solution to the system of linear a31 a32 a33 4 equations: a11 1 + a1222 + a1323 a21x1 a22x2 a23X3 a31 x1 a32x2 a3313 O A. 10 В. 3 O C. -2 D. 0 || || | + + +

Q: Use the determinant of the coefficient matrix to determine whether the system of linear equations ha...

A:

Q: A shopkeeper raised the maked price by 30%and offered a discount @ 40%.find the actual discount offe...

A:

Q: Find |A|, [B], A + B, and JA + BỊ. Then verify that |A| + |B| = |A + BỊ. 1 7 A = 1 -1 0 0 1 -1 B = 7...

A: We can solve this as follows:

Q: Write the system of linear equations in the form Ax = b and solve this matrix equation for x. X1 - 5...

A: Here we have to write the system of linear equations in the form of Ax=b and solve this matrix equat...

Q: A food server examines the amount of money earned in tips after working an 8-hour shift. The server ...

A: Here, let x be the number of $1 bills, y be the number of $5 bills, z=number of $10 bills and w be t...

Q: Write an equation in slope-intercept form for the line with slope 3 and y-intercept -4. O-0 몸

A: Topic = Coordinate geometry

Q: Rewrite with positive exponents, and simplify, if possible. - 8 8p

A:

Q: The data sets give the number of platinum albums for the five male artists and the five female artis...

A: Mean = x1+x2+.....+xnnMean is affected by data values as well asthe total number of samples.But when...

Q: Salmonella Enerica bacteria in a certain environment, the population doubles in size every 24 hours....

A: Given query is to find the number of bacteria after 9 days.

Q: Use expansion by cofactors to find the determinant of the matrix. y 18 -15 30 21 -18 10 -32 24 -35 4...

A: Here we have to find the determinant of the given matrix.

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: Find the line's slope and a point on the line. 3. y+1=--(x-5) slope: Undefined point on the line: |D

A:

Q: Polynomial long division (2x^2+6x-15) ÷ (x+5) give the quotient and the remainder.

A: Solution : Using Polynomial long division

Q: Find the general solution of the following differential equation: d?x dx +8– + 9x = 0 dr? dt

A:

Q: Suppose that a group of 150 students have joined at least one of the chat rooms: one on auto racing,...

A:

Q: -3 2 6 -4,b -5 Let A = |0 1 –7, T defined by T(X) = AX, find a vector X, whose 13 image under T is b...

A: Given T(X) =AX=b then we get three linear equation and three unknown . 

Q: 2. Find the root using Regula-Falsi Method a) x* - x - 10 = 0 Ans. x = -1.697 and 1.855

A: Follow the procedure given below.

Q: Solve the following initial-value problem. dx dx 8 -7 - 1x = 0, x(0) = - 1, (0) = 1 dr? dt The solut...

A:

Q: Solve for the value of x in the equation: 2 log x – log (30 – 2x) = 1 В. 10 If a = cos O and b = sin...

A: Using logarithmic function

Q: A culture of bacteria has an initial population of 220 bacteria and doubles every 8. hours. Using th...

A: Formula: Pt=P0 2td P0 initial population d is doubling time Given: Doubling time =8hours initial pop...

Q: balls

A: Please refer to the image below

Q: Find the determinant of the triangular matrix. 5 6 -3 0 0 0 0 0 0 0 7 7 5 0 -1

A:

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

A:

Q: The midpoint of all sides of square are all joined together to create another square inside it (see ...

A: First we find side of bigger square using Pythagorous theorem. And follow step 2nd . 

Q: Fill in the blanks below. Find the slope of the line passing through the points (-9, -6) and (6, -6)...

A:

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

A:

Q: The price p (in dollars) and the quantity q sold of a certain product obey the demand Equation : q ...

A:

Q: (xs a 5. Jenel bought 10 apples and 12 pears for not more than P500.00, and 15 apples and 4. Suppose...

A: Let us consider  inequalities, x≤a and x≥a, a is any real number. Then solution of these inequalitie...

Q: 12 20

A:

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

A:

Q: 35 30 25 20 15 10 5+ 10 20 30 40 50 60 70 Enter the equation of the line in the form y = mx Where m ...

A: Here we are given equation of line for which we only need to fin slope of the line.

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: 19. Solve. Kevin is rock climbing with his friends. Making sure that his harness is secure, he jumps...

A: Given query is to find the the time he was in air.

Q: 5 20 0 1 0 1 4 3 5 0 0 3 2 6 0 0 4 6 7 0 0 0 0 2]

A:

Q: (-1+1) 8 (1+1)

A: topic  -   de moivre theroem  ,  complex number

Q: How much more would you earn in the first investment than in the second investment? $52,000 invested...

A: topic -  compound interest 

Q: The function f(x) = -X-3)2 - 4, will have a shift of 4 units to the left. O True O False

A:

Q: a) 36 + 9· 2 (b) 7 + 3(2)®-6 (c) |4(- 7)| – |– 30]

A:

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

A:

Q: math.com/app/student/solve/15745683/ kphilips compositionoffransformationsRigidMotionsDiscovery Dete...

A:

Q: Find the line's slope and a point on the line. y-2=-4(x+3) Undefined slope: point on the line: D

A: To find the slope and a point on the given line.  

Q: In certain soil conditions, the number of surviving larvae in the hatch of an insect called a "clove...

A:

Q: Average Costs per Mile Ownership $0.74 $0.22 Total Operating $0.26 $0.17 $1.00 $0.39 Car A Car B you...

A: As given the total average cost per mile for, Car A : $1.00 Car B : $0.39 Also it is given that car ...

Q: 25. Which of the following inequality has a graph and solution as illustrated O A. 3x+4ys9 B. 3x-4ys...

A: Topic = Inequality Correct option = A

Q: 12a W 1. Completely simplify the rational expression 9y 11c 3y 11r 9y 75x 3y O 33. 9y

A:

Q: proportional

A:

Q: Write an equation (any form) for the quadratic graphed below: -5 -4 -3 -2 -1 -- -2- -3 -4 y = Previe...

A:

Q: Find the quadratic polynomial whose graph passes through the points (1, 4), (2, 19), (3, 40). NOTE: ...

A: To find the quadratic polynomial  y=ax2+bx+c...(1) which passes through (1,4),(2,19) & (3,40).

Q: Elsa and Anna left the castle at 8:00 a.m. to go for a run. Anna was jogging at 6 mph and Elsa was j...

A: Given Anna was jogging at 6mph and Elsa was jogging at a rate 2mph slower than Anna. So Anna was jog...

Q: conjecture as to what A-1 is in general. 1 and B = 1 , find an elementary matrix E such that B = EA....

A: