Solve system of linear equations, using matrix method.
08 Aug 2020Questions on Eigen Value Eigen Space,Least square approximation and equation
08 Aug 2020The age of a mother and a doughter are 31and 7 years respectively.The numbers of years in which the mothers age will be 3\2 times that of the doughter is (https://www.transtutors.com/questions/the-age-of-a-mother-and-a-doughter-are-31and-7-years-respectively-the-numbers-of-yea-27...
08 Aug 2020Let V is a vector space and W be the subspace of V.Prove the orthogonal complement of W is also a subspace of V. >
08 Aug 2020Find the eigen values and eigen vectors of the matrix 3 2 2 1 4 1 -2 -4 -1 >
08 Aug 2020Prove that the null space N(T) of a vector space V is a subspace of V. >
08 Aug 2020Which of the following functions is a linear transformation? JUSTIFY your answer! (i) T : C(fo. 11) R T(f (:1)) = 37 ft (1.7)(1:17 2f (1) . t)A
08 Aug 2020A mathematician has found 4 solutions to a homogeneous system of 31 equations in 34 variables. The 4 solutions are linearly independent and all other solutions can be constructed by adding together appropriate multiples of these 4 solutions. Will the system necessarily have a sol...
08 Aug 2020If A and B two matrix such that AB-BA=I. Is it possible?
08 Aug 2020Find all nontrivial solutions, if any, for the following system of equations: ?2x?_1-4x_2-5x_3=0 ?3x?_1-6x_2x_3=0 5x_1-10x_2-3x_3=0 7x_1-14x_2-16x_3=0
08 Aug 2020Consider the linear problem Maximize z =40x1 5x2 60x3 8x4 Subject to 18x1 3x2 20x3 5x4 =25 and x1, x2, x3, x4 = 0 >
08 Aug 2020Cramers Rule for solving equations (in three variables.)
08 Aug 2020Brooks City has three consolidated high schools, each with a capacity of 1,200 students. The school board has partitioned the city into five busing districts—north, south, east, west, and central—each with different high school student populations. The three schools are located i...
08 Aug 2020isle royale, an island inm lake superior has provided an important study site of wolves and their prey. in the national park service scientific monograph series 11, wolf ecology and prey relationships on isle royal, peterson gives results of many wolf-moose studyes. of special in...
08 Aug 2020Find the unit vector perpendicular to the plane ABC determined by the points A(-1,2,6), B(0,1,9) and C(3,5,11).
08 Aug 2020Points P,Q and R have position vectors 2j, 4i and 2i-2j respectively in the x-y plane. (a) Find 2OP 3OQ – 4OR (b) Determine (i) PQ and PR (ii) PQ.PR (iii) Angle QPR
08 Aug 2020If a = k = 1, solve the system of equations. (b) Find the value of a and lc for which the system has infinitely many solutions. What are the solutions in this case? (c) Find all values of a and k for which the system has no solution. If the following system of equations has infi...
08 Aug 2020Mary sells lemonade for $0.50 per cup. She buys her cups for $0.02 each, and it costs her $0.09 to make each cup of lemonade. Write an expression that represents the amount of money Mary will earn from selling n cups of lemonade?
08 Aug 2020Lerato can play squash better than tennis If she were to enter an amateur squash championship she would have a 70% chance of winning the tournament and receive R900 as prize money If, on the other hand, she were to enter an amateur tennis championship, her winning chances would b...
08 Aug 2020The area of Canada is approximately 1*10^7 square miles. The area of Italy is approximately 3 * 10^5 square miles. Which statement best describes the relative sizes of the countries? A. the area of Italy is approximately 3 times the size of Canada B. the area of Canada is appr...
08 Aug 2020How many different signals can be sent up on a flagpole if each signal requires three blue and three yellow flags and the flags are identical except for color. >
08 Aug 2020Three children can get 1 box of cereal from the grocery store there are 12 boxes, how many ways can the selection be made? >
08 Aug 2020Research jobs using your degree and identify a job you would be interested. Use a website like Glassdoor.com to determine the salary for the job you are interested in. Then Find out what the hourly pay amount based on what is given. Be sure to cite your source in the worksheet an...
08 Aug 2020Daredevil Danny takes a practice jump as shown on the graph below. Complete the steps to determine the equation for the parabolic trajectory of his practice jump.What are the key aspects of any parabola? What do the key aspects tell you about the graph? (5 points)What are the ke...
08 Aug 2020Swimming pool at rate 12.7 gal/min. If the pool dimensions are 22.7 ft wide, 46.3 ft long and 11.3 ft deep, how long does it take to fill the pool?
08 Aug 2020The weekly sales of Honolulu Red Oranges is given by q = 1116 − 18p. >Calculate the price elasticity of demand when the price is $31 per orange (yes, $31 per orange). Elasticity = ______Interpret your answer.The demand is going down by ______% per 1% increase in price at that pr...
08 Aug 2020The side of square is increasing at a rate of 4cm/s. At which rate area is increasing when area is 25 cm².
08 Aug 2020Find the inverse of the ellipse x^2/a^2 y^2/b^2 =1 with respect to the origin. >
08 Aug 2020Solution for the second order non homogeneous differential equation
08 Aug 2020Find unit tangent vector, normal tangent vector, and curvature
08 Aug 2020During the 1950s the wholesale price for chicken for a country fell from 25¢ per pound to 14¢ per pound, while per capita chicken consumption rose from 23.5 pounds per year to 29 pounds per year. Assuming that the demand for chicken depended linearly on the price, what wholesale ...
08 Aug 2020Q^-.5=P1/6P2 how do I move negative exponent to the other side? this is simple question no more text to add...
08 Aug 2020Let D = {(x, y) ? R 2 : |x| |y| = 1} and f : D ? R be a non-constant continuous function. Which of the following is TRUE? (A) The range of f is unbounded (B) The range of f is a union of open intervals (C) The range of f is a closed interval (D) The range of f is a union of at l...
08 Aug 2020Let C be the curve y=3vx, foe 1.8 to 3.9. find the surface area of revolution about the x- axis.
08 Aug 2020Consider the cubic polynomial y=(axb)(x^2-3x1) where a,b are real numbers. Dividing by the first derivative by (x-1) yields a remainder of -1, while dividing the second derivative by the same divisor yields a remainder of -6. Determine the value of a and b.
08 Aug 2020the school auditorium has 69 rows of seats.each row has 48 seats across.if 6,000 people want to see the school talent show,how many times do the students have to do the show is 2
07 Aug 2020A random number generator is used to pick up ‘n’ numbers from 1 to n where n is a real number and two numbers are chosen from them. What is the probability that the numbers are consecutive?
07 Aug 20201. Write down the number 238,200,000,000,000 in scientific notation.2. Write down the number 0.00000000678 in scientific notation.3. Draw a number line that spans 4 orders of magnitude, from 1 to 104.4. Draw a coordinate system with a horizontal scale that spans 2 ...
07 Aug 2020What is the future value of $5,000 in 10 years at 5%, compounded monthly? 2. What is the future value of $10,000 in 8 years at 8%, compounded quarterly? 3. If you receive $10,000 in 5 years, what is its value today if the appropriate interest rate is 8% and interest is compounde...
07 Aug 2020Analyze a home mortgage loan. 1. Find a description, asking price, and real estate taxes of a house for sale, and decide on a purchase price you would be willing to pay (assuming you have the means). Find a current market interest rate for a 30-year fixed-rate mortgage having a d...
07 Aug 2020Ram can do a piece of work in 20 days and Shyam alone can do it in 30 days. How much time will both take to finish the work ?
07 Aug 2020Prove the close form of sum (n^2), sum(n^3), sum(n^4) series using induction write X^2n1-1 in close form with real polynomial coefficients. find roots of (X^2nX^2n-1X^2n-2........1) solve Q 2,4,6.
07 Aug 2020Let y(x) satisfies the initial value problem (x^2y)dx=x dy, y(1)=2, then y(3) = (a) 2 (b) 3 (c) 12 (d) 9
07 Aug 2020Explain why the function is discontionou s at the given number a. Sketch the graph of the function >
07 Aug 2020One train leaves station A at 6p.m traveling at 40 miles per hour towards station B. A second train leaves station B at 7p.m traveling on parallel tracks at 50 miles per hour towards station A. The stations are 400 miles apart. At what time do the trains pass each other? >
07 Aug 2020AUTO LEASING The Betzes have leased an auto for 2 yr at $450/month. If money is worth 9%/year compounded monthly, what is the equivalent cash payment (present value) of this annuity?
07 Aug 2020U.S. POPULATION BY AGE The following table gives the 2002 age distribution of the U.S. population:Let the random variable X denote a randomly chosen age group within the population. Find the probability distribution associated with these data.
07 Aug 2020STOPPING DISTANCE OF A RACING CAR During a test by the editors of an auto magazine, the stopping distance s (in feet) of the MacPherson X-2 racing car conformed to the rulewhere t was the time (in seconds) after the brakes were applied.a. Find an expression for the car’s velocity...
07 Aug 2020A tower is 50m high. Its shadow is x cm shorter when the Sun s Altitude is 45 degree than when it is 30 degree. Find x correct to the nearest cm. >
07 Aug 2020Find double integral of e^-(x^2y^2) over the circle x^2y^2=4 >
07 Aug 2020
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