Which of the following is false? Select one: O a. Qis countable. O b. Z is countable. O c. RQ is countable. O d. The set containing all prime numbers is countable. Oe. R is uncountable.

Q: Choose all answers which correctly complete the sentence: The set of all whole numbers with "7"…

A: We can solve this problem as follows:

Q: How many 5 digit even numbers are there, a. Given that the first digit cannot be zero. b. Given…

A: In five digit following digit can be filled in following ways: First digit can be filled by…

Q: . Let n =12,612,6x0,725,725 . a. If 9 | n, then x = ________ . b. If 11| n, then x = ________.

A: (a) We know 9 | n iff the sum of the digits of n is divisible by 9.     n = 126126x0725725    =>…

Q: a. 2 ∈ {2}? b. How many elements are in the set {2, 2, 2, 2}? c. How many elements are in the set…

A: (a) We have to check whether 2∈2 In the set of roster notation, all the elements of a set exist…

Q: Three-digit numbers are formed from the digits 0,1,6,7,8 and 9 if no repitition is allowed a. how…

A: given digits  0 1 6 7 8 and 9  i.e., a total of 6 digits are given and repetition of digits is not…

Q: Use inductive reasonig to predict the next number in each of the following list. a. 5, 10, 15, 20,…

A: part(a) 5, 10, 15, 20, 25 ? solution definition of inductive reasoning inductive reasoning is the…

Q: Which of the followig is true about the divisibilty test for 8? a. For divisibility by 8, we must…

A: As we know that For 2 we check unit digit     {2=21}For 4  we check last two digit is divisible by 4…

Q: ) Check all the numbers that are divisors. a.) 288

A: see 2nd step

Q: let a, b, c, d, four consecutive positive numbers show that g.c.d (a, b, c, d)=1

A: Given :- a, b, c, d, four consecutive positive numbers. As a,b,c,d are consecutive positive numbers…

Q: C. How many 4-digits number can be formed out of 0, 1, 2, 4, 6, 8, 9 to construct an odd number with…

A:

Q: How many different 2-digits numbers can be formed from the digits in the number 235? O A. 6 O B. 3 O…

A: We have to find no of digit...

Q: = How many different 6-letter codes are there if only the letters A, B, C, D, E, F, G, H, and I can…

A:

Q: Find the g.c.f. and I.c.m. of the set of numbers. {60, 120, 135} g.c.f. 15 I.c.m. 60 60 X

A: Solution:

Q: Find the number of different 7-digit numbers which can be formed from the seven digits 4, 4, 7, 9,…

A:

Q: justify each answer. (a) The number 1003 is prime because it is not divisible by 2, 3, 5, 7, 11. (b)…

A:

Q: PPOVE OR disprove If n is odd, thun n? is odd.

A: To prove: If n is odd, then n2 is odd.

Q: Given that n is an integer, it follows that 2n is an even integer. O a. Inductive, strong. b.…

A: ~ A deductive argument is an argument for which the premises are offered to provide logically…

Q: Consider the following set. {-5, -4, -3,0.1. V2,2, 2.5, 4, 아 0, 1, V2, 2, 2.5, 4,

A:

Q: How many three numbers with no repeated digits, can be formed by the use of the digits 0, 2, 3, 4,…

A: here AS PER GUIDELINES I HAVE CALCULATED 3 SUBPARTS  Three digit number is formed using digit…