subject
Mathematics, 17.01.2022 05:30 therealdest

Some children were going to the Computer Room. The first time there was a knock at the door, 1 child entered the Computer Room. On each of the followings knocks, the group that entered had 2 more children in it than the group that entered at the previous knock. All the children had entered the room on the tenth knock. how many children are there in the Computer Room?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 12:30
The diagram shows a 7cm by 6cm rectangle based pyramid. all the diagonal sides - ta, tb, tc and td are length 10cm. m is midpoint of rectangular base. work out height mt to 1 decimal place
Answers: 1
question
Mathematics, 21.06.2019 14:10
Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it.how many multiple-choice questions are on the test?
Answers: 1
question
Mathematics, 21.06.2019 19:00
1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)
Answers: 1
question
Mathematics, 22.06.2019 01:00
Two trains leave stations 546 miles apart at the same time and travel toward each other. one train travels at 95 miles per hour while the other travels at 115 miles per hour l. how long will it take for the two trains to meet
Answers: 3
You know the right answer?
Some children were going to the Computer Room. The first time there was a knock at the door, 1 child...
Questions
Questions on the website: 13722359