18. Over a period of one week, the Dow Jones Industrial Aver- age (DJIA) did the following: On Monday the DJIA went down by 3.2%, on Tuesday it went up by 11.2%, on Wednes- day it went up by 0.7%, on Thursday it went down by 4.8%, and on Friday it went down by 9.4%. What was the percent- age increase/decrease of the DJIA over the week? Round your answer to the nearest tenth of a percentage point. 00 110.000

Q: The number of iterations in Secant Method are less as compared to Newton Raphson. O True False

A: TRUE

Q: The Newton Raphson method is also called as O Secant method O Tangent method O Chord method O…

A:

Q: 8. Let A and B are square matrices of the same order and let S non-singular matrix and A similar to…

A: I have given the answer in the next step. Hope you understand that

Q: e. To solve the 2nd order ODE, xy" - (x + 1) y' - y = 0, by series method, the indicial roots are…

A:

Q: How many inches long is the radius of a large circle that can fit inside a rectangle 18 inches and…

A: Solution:

Q: For the initial-value problem: y = y-t²+1, 0≤ t ≤ 2, y(0) = 0.5, h = 0. 1, N is equal to --- 20 O 5…

A:

Q: In problems 1 and 2, list both the order of the DE and state whether the DE is linear of nonlinear.…

A:

Q: Let A be the point with coordinates (1, 7, 5), let B be the point with coordinates (-1, 5, 1), let C…

A: We have to write down the first coordinate of P.

Q: To approximate y(2.75) for the following initial-value problem: ý = y + t²,1 ≤t≤ 3, y(1) = 2, the…

A: We need to approximate y2.75 Now, 1≤t≤3 Now, xn=x0+hn If we choose h=0.15 then:…

Q: a. A tank holds 1000 liters of water, in which 15 kg of salt is dissolved. Pure water enters the…

A:

Q: By using Simpson's 3/8 Rule alone, one can approximate the area under a curve when the number of…

A: This question related to numerical integration.

Q: Q1.B. if k-1 is an eigen value of (2), find one corresponding eigen vector?

A:

Q: 2. (Laplace Transforms) (a) Use the definition of the Laplace transform to compute L{cos(a + t)},…

A: As per our guidelines only first three subquestions are solved. For remaining questions kindly…

Q: Find the available number of passwords when using a 4 letter password with possible usage of…

A:

Q: System of linear equations is Inconsistent if System has no solution O System has unique solution O…

A:

Q: Solve for

A:

Q: If |A| = 0, then A is O zero matrix singular matrix non-singular matrix O none of the above

A: If |A| = 0 then it is necessarily zero matrix  Example :  Let A =1224 Now |A|=1224              =…

Q: Two matrices A and B are multiplied to get AB if O both are rectangular O both have same order O…

A: Necessary condition for multiplication of two matrices : If A and B are two matrices, then…

Q: For the following initial-value problem: ý=y+t²,1 ≤ t ≤ 3, y(1) = 2, h = 0.25, the method cannot be…

A: Sol

Q: Errors may occur in performing numerical computation on the O Rounding errors

A: Power fluctuation and operator fatigue has nothing to do with numerical calculations

Q: Use the right endpoint sum to approximate the area under the curve f (x) = x^3 from x = 1 to x = 2…

A:

Q: 5. The linear least squares approximation which best fits the curve y= |x | over the interval -1 ≤ x…

A: Sol

Q: When using Runge-Kutta method of order 4 to solve the initial-value problem: ý = cos 2t + sin 3t, 0…

A: K1= 0.25

Q: } (10 700) 7 (² }

A: I have given the answer in the next step. Hope you understand that

Q: Given the Rational Function f(x) = Check all that apply. p(x) which of the following statements are…

A: I have given the answer in the next step. Hope you understand that

Q: 8. Let A and B are square matrices of the same order and let S non-singular matrix and A similar to…

A:

Q: ## Commpact subse regular Space X and if of is subset of A such that .cey th there is a closed a…

A:

Q: Question 2. Solve the linear system by finding matrix inverse = 12 x₁ + 4x₂ + 3x3 -1- 2x₂ 2x1 + 2x2…

A: Sol Here x1 = x , x2 = y and x3 = z have been considered while solving the problem Here…

Q: Given 4.x² = 3y-4z 5 . Calculate the value ofx if y=x-1 and z = 2x.

A:

Q: You must show all work! (You may check your answers using your graphing calculator.) = -[. 52 1 4 -2…

A:

Q: If AT = A-1, where A is a real matrix, then A is

A: When transpose of A equal inverse of A , then A is

Q: 2(a) Explain centroid of a triangle and rectangle with sketch.

A:

Q: 3. Change the order of integration sin dydx. Hence, evaluate the integral. y

A: Sol ∫0π∫xπsinyydydxChange order of integration =∫0π∫0ysinyydxdy

Q: e. To solve the 2nd order ODE, x y" - (x + 1) y' - y = 0, by series method, the indicial roots are…

A:

Q: You bought corn futures at $7.60/bushel and sold them back at $7.50. You bought corn in the cash…

A: Given Corn Future purchase price P=$7.60 Corn Futre Sold price S=$7.50 Corn cash price C=$7.25 To…

Q: Determine the intervals on which f(x) is positive and on which f(x) is negative. swer:…

A: If the graph of f(x) lies above the x axis for the values of a<x<b, then, f(x)>0 for…

Q: Part:a: For matrix -1 4-2 A-3 4 0 -3 1 3 Calculate all eigenvalues and eigenvectors of A. Compute A4…

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: Radio Waves KROC radio station is 4 miles west and 6 miles north of the center of Bigcity. KROC can…

A: We will use equation of circle to find equation of boundary  Equation of circle centered at (h,k)…

Q: 5- Investigate Interaction of Two Planes Plot the following and their normal vectors. x-y+z=-13 -3x…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Matrix which does not have an inverse by solving it, is classified as O unidentified matrix O linear…

A: A matrix A does not have inverse if det(A)=0. And if det(A)=0 then we say that the matrix A is…

Q: P₁ (3, 65, -9) P₂ (5,12,8) Required solve 1) In the following points given Ps ( 8, 15, 23) P4…

A:

Q: 7. The absolute norm for tensor of two eigenvectors of A = (33) is (a) 3 (b) √3 O O b O O d a C (d)…

A:

Q: Use a double integral to find the volume of the indicated solid. [Show your solution.] 2x + 3y + 4z…

A:

Q: If f(x)=ln(x) and x,-3.1, x₁-3.2, x-3.16, then the error bound in Lagrange interpolating polynomial…

A: Given the function is fx=lnx and x0=3.1, x1=3.2, x=3.16

Q: Activity # 4: Inductive and Deductive Method A. Use inductive reasoning to guess the next three…

A: # As per the guidelines we are entitled to solve one question at a time (maximum three subparts)…

Q: A conical tank has height 3 m and radius 2 m at the base. Water flows in at a rate of 2 m³/min 2 How…

A:

Q: The value of A™ or h in Simpson's Rule is b-a O (b-a) n b-a

A:

Q: if a= [1 4 2; 5 7 3; 9 1 6], then C=det(a) = C = 89 C = -89 O C = 89.000 = None of the above if…

A:

Q: When using Taylor's method of order two to solve the initial-value problem: ý=t, 0≤t≤ 2, y(0) = 0, h…

A:

Q: R is the region bounded by the functions f(x)=4/x and g(x)=x/4. Find the area of the region bounded…

A: