Mathematics, 19.05.2021 15:50 abrown8483
A blank, square sheet of paper is painted as follows: Step 1 consists of ruling the square into nine smaller congruent squares, and painting the central one. Step 2 consists of applying this process to each of the remaining eight squares (a small central square is painted in each). Step 3 consists of applying this process to each of the 64 remaining small squares, etc. The first two steps are shown. Let A0 be the area of the original square, A*1 be the area that is unpainted after Step 1, A*2 be the area that is unpainted after Step 2, and so on. Show that the decreasing sequence A*0, A*1, A*2,... Is geometric. Is it ever true that An<0.01A*0. Justify your answer.
Answers: 1
Mathematics, 21.06.2019 18:30
At the olympic games, many events have several rounds of competition. one of these events is the men's 100-meter backstroke. the upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of the 2012 olympics. the lower dot plot shows the times of the same 8 swimmers, but in the semifinal round. which pieces of information can be gathered from these dot plots? (remember that lower swim times are faster.) choose all answers that apply: a: the swimmers had faster times on average in the final round. b: the times in the final round vary noticeably more than the times in the semifinal round. c: none of the above.
Answers: 2
Mathematics, 21.06.2019 20:30
Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10
Answers: 2
Mathematics, 22.06.2019 03:40
What is the following sum in simplest form? square root 8 + 3 square root 2 + square root 32
Answers: 1
A blank, square sheet of paper is painted as follows: Step 1 consists of ruling the square into nine...
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