Mathematics, 02.11.2019 07:31, sahaitong814
carl has 45 coins, and 18 of the coins are pennies. the rest of his coins are dimes.
to find what percent of his total coins are dimes, carl must find what unknown information first?
a. the precent of coins he has in total
b. the total number of coins he has
c. the number of coins that are dimes
d. the percent of coins that are nickles
Answers: 1
Mathematics, 21.06.2019 21:50, safiyyahrahman8937
Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?
Answers: 1
carl has 45 coins, and 18 of the coins are pennies. the rest of his coins are dimes.
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