X+ y = 75
10x + y = 48
can someone me?...
Answers: 3
Mathematics, 21.06.2019 20:30
At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.
Answers: 1
Mathematics, 21.06.2019 22:20
As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is
Answers: 2
Mathematics, 21.06.2019 22:30
Atotal of 766 tickets were sold for the school play. they were either adult tickets or student tickets. there were 66 more student tickets sold than adult tickets. how many adult tickets were sold?
Answers: 1
Mathematics, 24.01.2020 07:31
Chemistry, 24.01.2020 07:31
Chemistry, 24.01.2020 07:31
Mathematics, 24.01.2020 07:31
Mathematics, 24.01.2020 07:31
Mathematics, 24.01.2020 07:31
Computers and Technology, 24.01.2020 07:31
Spanish, 24.01.2020 07:31
Mathematics, 24.01.2020 07:31
History, 24.01.2020 07:31
English, 24.01.2020 07:31