Mathematics, 08.07.2020 14:01 asims13
14. All phone numbers consist of a three-digit area code, a three-digit exchange, and then a four-digit number. A town uses the 587 area code and the exchange 355; for example, 587-355-1234. How many different phone numbers are possible in this town under the following
conditions?
a) At least one digit repeats in the last four digits of the phone number.
Answers: 2
Mathematics, 21.06.2019 18:00
Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.
Answers: 1
Mathematics, 21.06.2019 19:30
Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?
Answers: 1
Mathematics, 21.06.2019 20:00
An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years
Answers: 1
14. All phone numbers consist of a three-digit area code, a three-digit exchange, and then a four-di...
Mathematics, 06.05.2021 01:00
Social Studies, 06.05.2021 01:00
Mathematics, 06.05.2021 01:00
Mathematics, 06.05.2021 01:00
Medicine, 06.05.2021 01:00
Business, 06.05.2021 01:00
Mathematics, 06.05.2021 01:00