subject
Mathematics, 17.07.2019 16:10 ashlee7877

a set s of characters is defined recursively by
1. a and b belong to s.
2. if x belongs to s, so does xb.
which of the following string belong to s?
a. a
b. ab
c. aba
d. aaab
e.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 16:00
Kathleen's gross annual salary is $56,820. what is the maximum amount of rent she can afford to pay? round your answer to the nearest dollar. question 1 options: $1146 $1326 $1656 $2368
Answers: 3
question
Mathematics, 21.06.2019 19:00
D(5, 7). e(4,3), and f(8, 2) form the vertices of a triangle. what is mzdef? oa. 30° ob. 45° oc. 60° od 90°
Answers: 1
question
Mathematics, 21.06.2019 21:00
Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?
Answers: 1
question
Mathematics, 22.06.2019 00:30
Neal buys a board game. he pays for the board game and pays $1.54 in sales tax. the sales tax rate is 5.5%. what is the original price of the board game, before tax
Answers: 3
You know the right answer?
a set s of characters is defined recursively by
1. a and b belong to s.
2. if x belongs...
Questions