subject
Mathematics, 23.10.2019 23:00 cxmochaa

2. exercise 18, 19 page 188. determine if the following statements are true. if a statement is true, give a proof from the definitions. if a statement is false, give a counterexample.

(a) if r and s are rational numbers, then (r+s)/2 is rational.
(b) for all real numbers a and b, if a < b then a < (a+b)/2 < b

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 20:00
James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number t of tokens james has is a function of g, the number of games he plays. write the function’s formula? t=
Answers: 1
question
Mathematics, 21.06.2019 23:00
Match the vocabulary to the proper definition. in probability, two events in which 1. conditional probability the outcome of one event is independent of the outcome of a second event. 2. dependent events in probability, two events in which the outcome of one event is dependent on the outcome of a second event. the probability of an event in which the outcome of the event is conditional on the outcome of one or more different events. 3. independent events
Answers: 2
question
Mathematics, 22.06.2019 00:00
If a suspect is in possession of 20 grams of cocaine how many ounces does he possess what will the charge be
Answers: 2
question
Mathematics, 22.06.2019 01:50
What is 74 round to the nearest ten
Answers: 1
You know the right answer?
2. exercise 18, 19 page 188. determine if the following statements are true. if a statement is true,...
Questions
question
Mathematics, 23.09.2019 14:50