Mathematics, 07.07.2019 14:00 creepycrepes
There are 50 cards numbered from 1 to 50. two different cards are chosen at random. what is the probability that one number is twice the other number?
Answers: 1
Mathematics, 21.06.2019 17:00
Which expression is equivalent to 8(k + m) − 15(2k + 5m)?
Answers: 1
Mathematics, 21.06.2019 21:00
Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.
Answers: 1
Mathematics, 21.06.2019 21:30
Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.
Answers: 2
There are 50 cards numbered from 1 to 50. two different cards are chosen at random. what is the prob...
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01
Mathematics, 11.09.2020 02:01