Mathematics, 14.06.2021 17:30, spellsaltoniza

Một phòng họp có 180 người được xếp đều trên các dãy ghế. Nếu thêm 80 người thì phải kê thêm 2 dãy ghế và mỗi dãy ghế tăng thêm 3 người. Hỏi lúc đầu phòng họp đó có bao nhiêu dãy ghế ?

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 20:30, phamleson8697

Will give let f(x)=2x and g(x)=[tex]2^{x}[/tex] graph the functions on the same coordinate plane. what are the solutions to the equation f(x)=g(x) ? enter your answers in the boxes x=[? ] or x=[? ]

Answers: 1

continue

Mathematics, 21.06.2019 22:00, juhavyen

Determine the domain and range of the given function. the domain is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}. the range is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}.

Answers: 1

continue

Mathematics, 22.06.2019 00:30, autumnmeadows20

Officer brimberry wrote 32 tickets for traffic violations last week, but only 4 tickets this week. what is the percent decrease? give your answer to the nearest tenth of a percent.

Answers: 1

continue

Mathematics, 22.06.2019 03:30, Deemon

Sera sells t-shirts at the beach. she believes the price of a t-shirt and the number of t-shirts sold are related. she has been experimenting with different prices for the t-shirts. she has collected a data set with five pairs of data; each consists of the price of a t-shirt and the number of shirts sold. the independent variable, which will go on the x-axis, is . the dependent variable, which will go on the y-axis, is the

Answers: 3

continue

Do you know the correct answer?

Một phòng họp có 180 người được xếp đều trên các dãy ghế. Nếu thêm 80 người thì phải kê thêm 2 dãy g...