Mathematics, 12.08.2020 07:01, jpimentel2021
1. Why is money better than a bartering system?
A People might not have items to trade.
B It helps people to agree on the value of something.
C People might lose track of their money.
D Both A and B
E Both B and C
Answers: 1
Mathematics, 21.06.2019 18:40, miguel3maroghi
Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.
Answers: 3
Mathematics, 21.06.2019 21:30, girlysimbelieve
Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent. the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244
Answers: 1
1. Why is money better than a bartering system?
A People might not have items to trade.
B It...
B It...
Biology, 30.03.2021 14:00
Business, 30.03.2021 14:00
Mathematics, 30.03.2021 14:00
English, 30.03.2021 14:00
Mathematics, 30.03.2021 14:00
Chemistry, 30.03.2021 14:00
English, 30.03.2021 14:00
English, 30.03.2021 14:00