Mathematics, 10.12.2020 01:10 jenni333
The equations 20x +12y = 140 and 45x +20y = 280 represent the cost for lunch and dinner for a family eating out on vacation. If x is the number of adults and y is the number of children, how many adults are in the family?
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 18:50
The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x
Answers: 1
Mathematics, 21.06.2019 19:00
Through non-collinear points there is exactly one plane.
Answers: 1
Mathematics, 21.06.2019 21:00
Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?
Answers: 3
Mathematics, 22.06.2019 00:30
Two cities a and b are 1400km apart and lie on the same n-s line. the latitude of city a is 23 degrees. what is the latitude of city b. the radius of the earth is approximately 6400km.
Answers: 3
You know the right answer?
The equations 20x +12y = 140 and 45x +20y = 280 represent the cost for lunch and dinner for a family...
Questions
History, 22.09.2021 07:30
Mathematics, 22.09.2021 07:30
History, 22.09.2021 07:30
Mathematics, 22.09.2021 07:30
Physics, 22.09.2021 07:30
Mathematics, 22.09.2021 07:30
English, 22.09.2021 07:30
History, 22.09.2021 07:30
Chemistry, 22.09.2021 07:30
Mathematics, 22.09.2021 07:30
Chemistry, 22.09.2021 07:30
