Q & A - Mathematics

Q & A

• Suppose a family contains two children of different ages and we are interested in the gender of these children Let F denote that a child is female and M that the child is male and let a pair such as Suppose a family contains two children of different ages, and we are interested in the gender of these children. Let F denote that a child is female and M that the child ...
• Find the value of x such that A321 B 4x5 C 42 2 D651 are coplanar Find the value of x such that A(3,2,1) B (4,x,5) C (4,2,-2) D(6,5,-1) are coplanar. >
• Find the area enclosed between the parabola 4y 3x2 and the straight line Find the area enclosed between the parabola 4y = 3x^2 and the straight line 3x-2y12=0 >
• Evaluate the following integral where C is a unit circle in counter clockwise direction Evaluate the following integral , where C is a unit circle in counter clockwise direction.
• Fro what value of b are the vectors and orthogonal Fro what value of b are the vectors and orthogonal.
• Using Greens theorem to evaluate the following where Using Green’s theorem to evaluate the following where
• Two cars start from rest at a red light crossing When the light turns green both cars accelerate The blue car accelerates uniformly at a rate of for 35 seconds before applying the brakes Soon Two cars start from rest at a red-light crossing. When the light turns green, both cars accelerate. The blue car accelerates uniformly at a rate of for 3.5 seconds before...
• Find a positive integer m such that for each integer nm there are positive integers x and y such that Find a positive integer m such that for each integer n>=m, there are positive integers x and y such that n=3x5y
• Prove that 2462n Prove that 2!4!!6!...(2n)!>=[(n1)!]^n for all n belongs to N
• A high school anted to know what percent of its students smoke cigarettes Counselors selected a random sample of students to take a survey on drug use One of the questions reads if you are under A high school %%anted to know what percent of its students smoke cigarettes. Counselors selected a random sample of students to take a survey on drug use. One of the ques...
• The Pyramid Chris in Egypt is a square based Pyramid The length of the side of a square base is 230 metres The vertical height of the pyramid is 146 metres Calculate the difference between the The Pyramid Chris in Egypt is a square based Pyramid. The length of the side of a square base is 230 metres. The vertical height of the pyramid is 146 metres. Calculate t...
• Explain the difference between the Trapezoid rule and the Composite Trapezoid rule Explain the difference between the Trapezoid rule and the Composite Trapezoid rule. >
• 0 j youvnot 12 Can evn Jq2 YeAc 0 j- youv.not 12 Can evn J:q2 Ye-,-A,c)) c-in )212=023=t) `fie ci// e-}¦ o 0 r,-)-rn 6-2 IP rk i y E4r\ Ce-(ef)--A--e b/LI-APCi‘ e (11\ t CA_A
• The fundamental theorem of arithmetic 17 A natural number n is called squarefree if it is not divisible by any perfect square other than 1 a Let n be a natural number Prove that n is squarefree if The fundamental theorem of arithmetic 17. A natural number n is called squarefree if it is not divisible by any perfect square other than 1. a. Let n be a natural number....
• On ITVs Homework Hotline it's time for Rudolfs Rules If you guess what rule Rudolf is using you get a prize Someone puts golf balls into a miniature golf display called Rudolf then Rudolf send On ITVs Homework Hotline, its time for "Rudolfs Rules." If you guess what rule Rudolf is using you get a prize. Someone puts golf balls into a miniature-golf display call...
• The graph of the feasible region is shown Find the corners of each feasible region and then find the maximum and minimum of the given objective function The graph of the feasible region is shown. Find the corners of each feasible region, and then find the maximum and minimum of the given objective function. (if they exist)
• Use as much details as you can Pictures and diagrams can help Use as much details as you can. Pictures and diagrams can help. Thanks.. You break your piggy-bank to discover lots of pennies and nickels. You start arranging these in r...
• If xyz are three consecutive numbers x^2 has unit digit 4 and y^2 has unit digit 1 find the unit digit of If x,y,z are three consecutive numbers, x^2 has unit digit 4, and y^2 has unit digit 1, find the unit digit of z^2. >
• A shopkeeper bought 50 kg of rice at Rs 25 per kg and 30 kg at Rs 20 per kg A shopkeeper bought 50 kg of rice at Rs. 25 per kg and 30 kg at Rs. 20 per kg.
• Prepare truth table for pvq ^r Prepare truth table for (pvq) ^r >
• A curve passes through the points A curve passes through the points (1,2) (1.5,2.4) (2,2.7) (2.5,2.8) (3,3) (3.5,2.6) and (4,2.1). Obtain the area bounded by the curve the x axis and x=1 and x=4. Also fin...
• Using Romberg's method evaluation Integral I 0 to 1 dx1x correct to 3 decimal places Hence evaluate log Using Rombergs method, evaluation Integral I = 0 to 1 dx/(1x) correct to 3 decimal places. Hence evaluate log 2. >
• Prove Pascals RelationProve Pascals RelationProve Pascals RelationProve Pascals RelationProve Pascals RelationProve Pascals RelationProve Pascals RelationProve Pascals RelationProve Pascals Relation Prove Pascals RelationProve Pascals RelationProve Pascals RelationProve Pascals RelationProve Pascals RelationProve Pascals RelationProve Pascals RelationProve Pascals Re...
• If X is a hypergeometric random variable with parameters r n N then derive variance of If X is a hypergeometric random variable with parameters r,n,N then derive variance of X. >
• The two tanks in Exercise 11 are said to be noninteracting because the flow rate from the first tank only depends on the fluid level in the first tank and is independent of the fluid level in the The two tanks in Exercise 1.1 are said to be noninteracting because the flow rate from the first tank only depends on the fluid level in the first tank and is independent...
• Use bubble sort to sort the list 6 2 3 1 5 4 Do a complete trace of the algorithm showing the lists obtained at each step Use bubble sort to sort the list 6, 2, 3, 1, 5, 4.Do a complete trace of the algorithm,showing the lists obtained at each step. >
• Given set A ab a List all possible relations on A show the relations as sets of tuples from Given set A = {a,b} (a) List all possible relations on A(show the relations as sets of tuples from A*A) (b)List all of the relations that are functions on A >
• What is the range of values for the probability of an event bWhat is the probability of an entire sample sapce c What is the probability of the empty set What is the range of values for the probability of an event? (b)What is the probability of an entire sample sapce? (c)What is the probability of the empty set? >
• Randomly pick a positive integer with exactly four decimals digits that is positive integer between Randomly pick a positive integer with exactly four decimals digits, that is, positive integer between 1000 and 9999 inclusive. What is the probability: (a)Is divisible by...
• Are these two graphs below the same graph Explain your decision with sound reasoning and evidence Are these two graphs below the same graph? Explain your decision with sound reasoning and evidence.
• Write the product of construction to build a pair of orthogonal Latin Squares of order Write the product of construction to build a pair of orthogonal Latin Squares of order 12. >
• Constract truth tables for the following wffs Note any tautologies or contradictions A and sign a Constract truth tables for the following wffs. Note any tautologies or contradictions. A - and sign a) A A B B V A c) [(AV B) A C ] -> A V C b) (A V B) A (A A B)A
• Complete the proof of Theorem 617 Hint The key idea is to show that if d is the least positive integer for which an interval order P has a representation using end points from  Complete the proof of Theorem 6.17. Hint. The key idea is to show that if d is the least positive integer for which an interval order P has a representation using end po...
• if jack misses classes through illness then he fails high school if jack fails high school then he is uneducated if jack reads lot of books then he is not uneducated jack misses many classes if jack misses classes through illness then he fails high school. if jack fails high school then he is uneducated. if jack reads lot of books then he is not uneducated. j...
• True or false The negation of If Sue is Luizs mother thenAli is his cousin is If Sue is Luizs mother then Ali is nothis cousin True or false? The negation of “If Sue is Luiz’s mother, thenAli is his cousin” is “If Sue is Luiz’s mother, then Ali is nothis cousin.” >
• For the given set first calculate the number of subsets for the set then calculate the number of proper subsets For the given? set, first calculate the number of subsets for the? set, then calculate the number of proper subsets. {5,0,12,7} >
• About finding slope of complex curves at any given point Question in image About finding slope of complex curves at any given point Question in image
• Chloes Cafe bakes croissants that it sells to local restaurants and grocery stores The average costs to bake the croissants are Chloe’s Cafe bakes croissants that it sells to local restaurants and grocery stores. The average costs to bake the croissants are $0.55 for 2,500 and $0.50 for 5,000. Re...
• A pen company averages 1 2 defective pens per carton produced 200 pens The number of defects per carton is Poisson distributed a What is the probability of selecting a carton and finding no defect A pen company averages 1.2 defective pens per carton produced (200 pens).The number of defects per carton is Poisson distributed. a. What is the probability of selecting...
• Describe a procedure for mentally finding a 1 discount on an invoice Illustrate with an example Describe a procedure for mentally finding a 1% discount on an invoice. Illustrate with an example.
• Parmenides argument for the concept of truth is different from philosophers before him The points made in the argument influenced the thinking of all philosophers of his era and caused a change in Parmenides’ argument for the concept of truth is different from philosophers before him. The points made in the argument influenced the thinking of all philosophers of hi...
• LO 6Perform incremental analysis for I sell or process further decisions 7Describe why short run decision analysis is critical for business success Bakers Bagels Inc produces and sells 20 types of LO 6Perform incremental analysis for I sell-or-process-further decisions.,7Describe why short-run decision analysis is critical for business success.Bakers Bagels, Inc., ...
• A bowl of candy contains many pieces of candy but only six different types of candy How many ways can three pieces of candy be removed from the bowl Assume you can remove one or more pieces of the A bowl of candy contains many pieces of candy, but only six different types of candy How many ways can three pieces of candy be removed from the bowl? (Assume you can rem...
• At your local market you get two merchant trading stamps valued at a tenth of a cent each for each 10 cents you spend At your local market you get two merchant trading stamps, valued at a tenth of a cent each, for each 10 cents you spend.
• A pair of aliens arrives on earth in a place safe for them Howmany pairs of aliens will be there in a year 12 months if theinitial pair of aliens male and female were newborn and all alienpairs A pair of aliens arrives on earth in a place safe for them. Howmany pairs of aliens will be there in a year (12 months) if theinitial pair of aliens (male and female) wer...
• This is a modified problem about the Tower of Hanoi where thereis an extra condition while solving the problem Consider the Tower of Hanoi problem with peg A B and C We wantto transfer a tower of This is a modified problem about the Tower of Hanoi, where thereis an extra condition while solving the problem: Consider the Tower of Hanoi problem with peg A, B and C. ...
• A factory that manufactures televisions operates in three shifts Shift 1 produced 20 of the TVs while Shift 2 and Shift 3 each produced 40 of the TV The rate of defective TVs produced by Shift A factory that manufactures televisions operates in three shifts. Shift 1 produced 20% of the TVs, while Shift 2 and Shift 3 each produced 40% of the TVs. The rate of def...
• Show transcribed image text Find the absolute maximum and minimum values of Show transcribed image text Find the absolute maximum and minimum values of f (x, y) = y^2 x^2 - 6x 3 on the set D where D is the closed triangular region with vertices...
• Use the Householder QR factorization algorithm to decompose the matrix A into QR State clearly the matrices Use the Householder QR factorization algorithm to decompose the matrix A into QR. State clearly the matrices Q and R >
• Determine detA ie determinant of a matrix using elimination method Determine det(A) i.e determinant of a matrix using elimination method