Mathematics, 30.01.2020 22:48 goldwinner300

Prove that if a is a natural number, then there exist two unequal natural numbers k and l for which ak−al is divisible by 10.

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 12:30, mparra4761

Arandom sample of 240 park users were asked if they go to the park more often on weekdays or on the weekend. the results are shown in the table. weekdays weekend male 50 10 female 150 30 based on the data in the table, select correct or incorrect for each statement. correct incorrect the males go to the park more often on the weekend. the females go to the park more often on weekdays. for the participants in the survey, gender affects which days of the week a person goes to the park.

Answers: 1

continue

Mathematics, 21.06.2019 15:00, wrightstephanie193

Which expression is equivalent to 2x^2+7x+4?

Answers: 3

continue

Mathematics, 21.06.2019 17:00, Uc34758

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1

Answers: 1

continue

Mathematics, 21.06.2019 21:20, naenae6775

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.

Answers: 2

continue

You know the right answer?

Prove that if a is a natural number, then there exist two unequal natural numbers k and l for which...