Is the following true or false? {∅} ∈ {2,4,6}

Q: 24% of 14 is what? 2) 47% of 118.8 is what? ) 51% of 105 is what? 4) 12% of 95 is what?

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

Q: A store collected the following information on its 33 employees ... Of these employees , 9 cooked…

A: Given, Total no. of employees = 33 No. of employees cooked food = 9 No. of employees washed dishes =…

Q: Show that 19nni se enoion gaiwollo tolo nsis oirlyan b-a b- |

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Q: 1. Everyone who is a doctor or a lawyer commands the respect of the community and earns a high…

A: everyone who is a doctor or a lawyer commands the respect of the community and earns a high salary.…

Q: How many different 4-letter radio-station call letters can be made   if the first letter cannot be…

A: Given: 4- letter radio-station call letter has to be made with first letter should not be A, B or C…

Q: Show that A = {2,3,4,5} is a proper subset of B = {2,4,5,6,3}

A: A set X will be called a subset of Y, if each elements of X belongs to the set Y . A set X will be…

Q: True or False and Why. {{1}, {42}} = {1, 42} U{{1}, {42}} = {1, 42} U{1, {1,42}} = = is What? Why?

A:

Q: word is made from the following nine letters (m,a,t,h,i,s,f,u,n). How many different four letter…

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Q: (b) Every student in a discrete math class is either a computer science or a mathematics major or is…

A: The union of events A and B is defined as n(A ∪ B) = n(A)  + n(B) – n(A ∩ B).

Q: the vast majority of visa and discover credit cards have 16 digit card numbers. the first digit is…

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Q: A box contains 15 balls in which seven are green and eight are yellow. If five balls must be drawn…

A: It is given that Number of green balls = 7 Number of yellow balls = 8 Total number of balls = 15…

Q: A US study concluded that following 7 simple health rules can extend a man’s life by 11 years on the…

A: a)Since, 5 out of 7 rules are to be adopted and the order of adoption is not important. Then, the…

Q: is o(x). Hint: Use ling divisim

A: Let consider  fx=x4+x2+1x3+1 To show that f(x) is O(x).

Q: How many permutations of the letters of the word SECURITY end in a consonant? (Here, Y is a…

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Q: In a class of 300 students, can we use the PHP to guarantee that there are 10 students who were born…

A: Given: In a class of 300 students, on using the PHP to guarantee that there are 10 students who were…

Q: How many numbers must be selected from the set {2,4,6,8,10,12,14,16,18,20} to guarantee that at…

A: Use the principle of inclusion and exclusion to solve this problem, as in next step.

Q: Show that we can partition 10 people into 5 groups of 2 people each in exactly 945 ways. Justify…

A: We have to prove the given answer.

Q: -, 1, 1) nswer: Select an answer v

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Q: Determine which pairs of actions are commutative. “putting on your left shoe” and “putting on your…

A: Given :                 The actions of putting on your left shoe and putting on your right is…

Q: 1.Universal Set { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, Set A – { 0, 1, 2, 5, 7, 9, 10} and Set B – {…

A: According to company policy we are allowed to provide solution for only 3 sub parts of one question.…

Q: Show your work and justify. In how many ways can we order a deck of 52 playing cards so that no two…

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Q: On February 20, 2004, the Ohio Bureau of Motor Vehiclesunveiled the state’s new license plate…

A: The license  plate contains 3 letters from A to Z followed by 4 digits from 0 to 9. Now all the…

Q: Number theory

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Q: Assume a country has 3-digit area codes that all have 0 or 1 as the middle digit, do not have 0 or 1…

A: Solution: From the given information, 3-digit area code should be formed. The first digit do not…

Q: Taking into account identical letters, how many ways are there to arrange the word PARVAMONSTRA that…

A: The word is "PARVAMONSTRA"  Arrange the word in such a way that it begins and ends with a consonant.…

Q: Let ū = (3, – 4, – 10) and i = (– 7, – 2, 0). – 2,0). - - 2u + 20

A: Given:-u→=<3, -4, -10> andv→=<-7, -2,  0>

Q: @3) IF 3 books are picked vandomly from ashelf Containin 4 Engg. books , 3 physis ,1 dictionany…

A: Given,no.of Engg books=4no.of physics books=3no.of dictionary books=1total no.of books=8

Q: Let ū = (3, – 4, – 10) and i = (– 7, – 2, 0). - 2ü + 20 (-8,-12 - 20)

A: Given :-  u=<3,-4,-10>  v=<-7,-2,0>  To find:-  2u+2v

Q: 2.13 was not the asnwer.

A: Given: Sample variances12=8.5Sample variances22=4

Q: How many strings of Seven English letters are there A) That contains no vowels, if letters can be…

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Q: Is A a subset of B if A = {2, 3, 5, 7, 8, 9, 10} andB = {3, 5, 8, 9}?

A: The given sets are, A=2,3,5,7,8,9,10B=3,5,8,9 A set A can be said to be the subset of another set B…

Q: 2. There are 4 different mathematics books and 5 different science books. In how many was can the…

A: Given : There are 4 different mathematics books and 5 different science books. In how many was can…

Q: A  commitee of 2 teachers is to be formed in a school such that there is one male and one female…

A: We can pick a female teacher from 12 female teachers in 12 ways.  We can pick a male teacher from 15…

Q: is not ansered

A:

Q: A California study concluded that by following 7 simple health rules a man's life can be extended by…

A: Combination: A combination is a selection of items from a group of items, where the order of…

Q: Is the following true or false? ∅ ⊆ {∅,1,3,5,7}

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Q: .) Universal Set { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, Set A – { 0, 1, 2, 5, 7, 9, 10} and Set B – {…

A: Since you have asked multiple questions in single request  so we  will be answering only first…

Q: If the marks of a group of 10 female students in an assignment are as follows:            11, 15,…

A: Here we will be using the coefficient of variation to determine which group is more homogenous. The…

Q: How many nonsense words of 3 letters can be formed from the letters c, d, e, f and g if a.…

A: Permutation and combination used to calculate the number of possible ways to arrange or select a…

Q: Is the following true or false? {1,2,{3,4}}∪{1,2,3,4}={1,2,3,4}

A: Solution : FALSE {1,2,{3,4}}∪{1,2,3,4}={1,2,3,4} in the first set we have elements 1, 2, and {3,4}…

Q: Is it true that 3 E {1, 3, 4, 6, 8, 9, 10}?

A: Given : Is 3∈{1,3,4,6,8,9,10}

Q: If ACB and A= {1,3,5,7}, Which set could represent set B? O {2.4.6.8} O {1,2,4,8} O…

A: Given A ⊂ B and A = {1, 3, 5, 7}

Q: Meteorology is the study of stars, the moon, and other celestial bodies. O True O False

A: Use the definition of mateorology .

Q: Is the following true or false? {2,4,6,8}∩{1,3,5,7}=∅

A: Intersection of two sets A and B is given by the set which contains all the elements which are…

Q: What is meant by Associative law in sets?

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Q: 1. True or False and Why. (a) {{1}, {42}} = {1,42} (b) U{{1}, {42}} = {1, 42} (c) U{1, {1,42}} = is…

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Q: 5. If from a pack of cards a single card is drawn what is the brobability that it is either a Spade…

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Q: If A {100, 200, 300, 400, 500, 600} and B {200, 400, 600, 800}, find: AUB O {100, 200, 300, 400,…

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Q: In an island of Knights (who always tell the truth) and Knaves (who always tell a ie), you met 6…

A: To determine, who of the six inhabitant are knights.