New pages
(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)
- 20:46, 22 June 2025 Nuclear Fission (hist) [4,532 bytes] Aoum (talk | contribs) (Created page with "== Nuclear Fission == '''Nuclear fission''' is a nuclear reaction in which a heavy atomic nucleus splits into two (or more) lighter nuclei, along with the release of a large...")
- 17:39, 22 June 2025 1998 CEMC Pascal Problems/Problem 12 (hist) [1,100 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== In the diagram <math>DA = CB</math>. What is the measure of <math>\angle DAC</math>? {{Image needed}} <math> \text{ (A) }\ 70^{\circ} \qquad\text{ (B) }\ 100^{\cir...")
- 17:26, 22 June 2025 1998 CEMC Pascal Problems/Problem 10 (hist) [406 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== If <math>x + y + z = 25</math> and <math>y + z = 14</math>, then <math>x</math> is <math> \text{ (A) }\ 8 \qquad\text{ (B) }\ 11 \qquad\text{ (C) }\ 6 \qquad\text...")
- 17:23, 22 June 2025 1998 CEMC Pascal Problems/Problem 9 (hist) [616 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== What is one-half of <math>1.2 \times 10^{30}</math>? <math> \text{ (A) }\ 6.0 \times 10^{30} \qquad\text{ (B) }\ 6.0 \times 10^{29} \qquad\text{ (C) }\ 0.6 \times...")
- 17:20, 22 June 2025 1998 CEMC Pascal Problems/Problem 8 (hist) [891 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The average (mean) of a list of <math>10</math> numbers is <math>0</math>. If <math>72</math> and <math>-12</math> are added to the list, the new average will be...")
- 17:16, 22 June 2025 1998 CEMC Pascal Problems/Problem 7 (hist) [767 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The value of <math>490 - 491 + 492 - 493 + 494 - 495 + ... - 509 + 510</math> is <math> \text{ (A) }\ 500 \qquad\text{ (B) }\ -10 \qquad\text{ (C) }\ -11 \qquad\t...")
- 17:11, 22 June 2025 1998 CEMC Pascal Problems/Problem 6 (hist) [1,355 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== If <math>x = 3</math>, which of the following expressions is an even number? <math> \text{ (A) }\ 9x \qquad\text{ (B) }\ x^3 \qquad\text{ (C) }\ 2(x^2 + 9) \qquad...")
- 17:05, 22 June 2025 1998 CEMC Pascal Problems/Problem 5 (hist) [566 bytes] Anabel.disher (talk | contribs) (1)
- 16:59, 22 June 2025 1998 CEMC Pascal Problems/Problem 4 (hist) [368 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The value of <math>(\sqrt{169} - \sqrt{25})^2</math> is <math> \text{ (A) }\ 64 \qquad\text{ (B) }\ 8 \qquad\text{ (C) }\ 16 \qquad\text{ (D) }\ 144 \qquad\text{...")
- 16:55, 22 June 2025 1998 CEMC Pascal Problems/Problem 3 (hist) [1,304 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The pie chart shows a percentage breakdown of <math>1000</math> votes in a student election. How many votes did Sue receive? {{Image needed}} <math> \text{ (A) }\...")
- 16:47, 22 June 2025 1998 CEMC Pascal Problems/Problem 2 (hist) [776 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== If <math>3(x - 5) = 3(18 - 5)</math>, then <math>x</math> is <math> \text{ (A) }\ \frac{44}{3} \qquad\text{ (B) }\ \frac{32}{3} \qquad\text{ (C) }\ 9 \qquad\text{...")
- 16:39, 22 June 2025 1998 CEMC Pascal Problems/Problem 1 (hist) [739 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The value of <math>\frac{1 + 3 + 5}{10 + 6 + 2}</math> is <math> \text{ (A) }\ \frac{1}{6} \qquad\text{ (B) }\ 2 \qquad\text{ (C) }\ \frac{1}{2} \qquad\text{ (D)...")
- 14:04, 22 June 2025 1997 CEMC Pascal Problems/Problem 10 (hist) [2,139 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The sum of nine consecutive positive integers is <math>99</math>. The largest of these integers is <math> \text{ (A) }\ 9 \qquad\text{ (B) }\ 11 \qquad\text{ (C)...")
- 13:52, 22 June 2025 1997 CEMC Pascal Problems/Problem 9 (hist) [1,798 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== When a certain number is divided by <math>9</math>, the quotient is <math>6</math> and the remainder is <math>4</math>. The number is <math> \text{ (A) }\ 58 \qqu...")
- 13:41, 22 June 2025 1997 CEMC Pascal Problems/Problem 8 (hist) [1,322 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The greatest number of Mondays that can occur in the first <math>45</math> days of a year is <math> \text{ (A) }\ 5 \qquad\text{ (B) }\ 6 \qquad\text{ (C) }\ 7 \q...")
- 13:26, 22 June 2025 1997 CEMC Pascal Problems/Problem 7 (hist) [1,498 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== In the diagram the triangle shown is isosceles with <math>AB = AC</math>. {{Image needed}} The value of <math>x</math> is <math> \text{ (A) }\ 40 \qquad\text{ (B...")
- 13:18, 22 June 2025 1999 CEMC Pascal Answer Key (hist) [74 bytes] Anabel.disher (talk | contribs) (https://web.archive.org/web/19991023104308/http://math.uwaterloo.ca/CMC/Contests/pcfans.html)
- 12:55, 22 June 2025 1997 CEMC Pascal Problems/Problem 6 (hist) [762 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== If <math>x = -2</math>, the value of <math>(x)(x^2)(\frac{1}{x})</math> is <math> \text{ (A) }\ 4 \qquad\text{ (B) }\ -8\frac{1}{2} \qquad\text{ (C) }\ -4 \qquad\...")
- 12:50, 22 June 2025 1997 CEMC Pascal Problems/Problem 5 (hist) [1,128 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== If <math>60\%</math> of a number of <math>42</math>, what is <math>50\%</math> of the same number? <math> \text{ (A) }\ 25 \qquad\text{ (B) }\ 28 \qquad\text{ (C)...")
- 12:44, 22 June 2025 1997 CEMC Pascal Problems/Problem 4 (hist) [519 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== <math>(1)^10 + (-1)^8 + (-1)^7 + (1)^5</math> equals <math> \text{ (A) }\ 0 \qquad\text{ (B) }\ 1 \qquad\text{ (C) }\ 2 \qquad\text{ (D) }\ 16 \qquad\text{ (E) }\...")
- 12:41, 22 June 2025 1997 CEMC Pascal Problems/Problem 3 (hist) [991 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The value of <math>2\frac{1}{10} + 3\frac{11}{100} + 4\frac{111}{1000}</math> is <math> \text{ (A) }\ 9.321 \qquad\text{ (B) }\ 9.111 \qquad\text{ (C) }\ 9.123 \q...")
- 12:34, 22 June 2025 2005 IMO Shortlist Problems/N6 (hist) [109 bytes] Kapybarasolver (talk | contribs) (Created page with "Let a and b be positive integers such that a^n+n divides b^n+n for every positive integer n. Show that a = b.")
- 12:33, 22 June 2025 1997 CEMC Pascal Problems/Problem 1 (hist) [423 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== <math>\frac{4 + 35}{8 - 5}</math> equals <math> \text{ (A) }\ \frac{11}{7} \qquad\text{ (B) }\ 8 \qquad\text{ (C) }\ \frac{7}{2} \qquad\text{ (D) }\ -12 \qquad\te...")
- 12:30, 22 June 2025 2011 CEMC Pascal (hist) [1,426 bytes] Anabel.disher (talk | contribs) (Created page with "2011 CEMC Pascal problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. *2011 CEMC Pascal...")
- 10:57, 22 June 2025 2010 CEMC Pascal (hist) [1,426 bytes] Anabel.disher (talk | contribs) (Created page with "2010 CEMC Pascal problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. *2010 CEMC Pascal...")
- 10:53, 22 June 2025 2009 CEMC Pascal (hist) [1,426 bytes] Anabel.disher (talk | contribs) (Created page with "2009 CEMC Pascal problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. *2009 CEMC Pascal...")
- 10:52, 22 June 2025 2008 CEMC Pascal (hist) [1,426 bytes] Anabel.disher (talk | contribs) (Created page with "2008 CEMC Pascal problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. *2008 CEMC Pascal...")
- 20:57, 21 June 2025 2007 CEMC Pascal (hist) [1,426 bytes] Anabel.disher (talk | contribs) (Created page with "2007 CEMC Pascal problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. *2007 CEMC Pascal...")
- 20:55, 21 June 2025 2006 CEMC Pascal (hist) [1,426 bytes] Anabel.disher (talk | contribs) (Created page with "2006 CEMC Pascal problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. *2006 CEMC Pascal...")
- 19:42, 21 June 2025 2005 CEMC Pascal (hist) [1,426 bytes] Anabel.disher (talk | contribs) (Created page with "2005 CEMC Pascal problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. *2005 CEMC Pascal...")
- 19:41, 21 June 2025 2004 CEMC Pascal (hist) [1,426 bytes] Anabel.disher (talk | contribs) (Created page with "2004 CEMC Pascal problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. *2004 CEMC Pascal...")
- 18:02, 21 June 2025 2003 CEMC Pascal Problems/Problem 16 (hist) [707 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== If <math>n</math> is any integer, <math>n + 3</math>, <math>n - 9</math>, <math>n - 4</math>, <math>n + 6</math>, and <math>n - 1</math> are also integers. If <mat...")
- 17:56, 21 June 2025 Right angles (hist) [25 bytes] Anabel.disher (talk | contribs) (Redirected page to Right angle) (Tag: New redirect)
- 17:49, 21 June 2025 2003 CEMC Pascal Problems/Problem 15 (hist) [2,393 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== In the diagram, square <math>ABCD</math> is made up of <math>36</math> squares, each with side length <math>1</math>. The area of the square <math>KLMN</math>, in...")
- 17:41, 21 June 2025 2003 CEMC Pascal Problems/Problem 14 (hist) [1,624 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== If <math>x</math> and <math>y</math> are positive integers and <math>x + y = 5</math>, then a possible value for <math>2x - y</math> is <math> \text{ (A) }\ 3 \qq...")
- 20:20, 20 June 2025 Hermite's Identity (hist) [476 bytes] Evzen (talk | contribs) (Hermite's identity is a mathematical formula and relates floor functions to summations.)
- 17:08, 20 June 2025 Pick's Thereom (hist) [9 bytes] Judokid (talk | contribs) (Created page with "{{empty}}")
- 15:03, 20 June 2025 2003 CEMC Pascal Problems/Problem 11 (hist) [653 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== If <math>x = 2</math> and <math>y = -3</math> satisfy the equation <math>2x^{2} + kxy = 4</math>, then the value of <math>k</math> is <math> \text{ (A) }\ \frac{2}...")
- 14:24, 20 June 2025 2003 CEMC Pascal Problems/Problem 10 (hist) [1,236 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== Which of the following numbers is the ''largest''? <math> \text{ (A) }\ 3.2571 \qquad\text{ (B) }\ 3.\overline{2571} \qquad\text{ (C) }\ 3.2\overline{571} \qquad\...")
- 14:17, 20 June 2025 2003 CEMC Pascal Problems/Problem 9 (hist) [1,440 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The largest prime number less than 30 that can be written as the sum of two primes is <math> \text{ (A) }\ 29 \qquad\text{ (B) }\ 23 \qquad\text{ (C) }\ 19 \qquad...")
- 14:08, 20 June 2025 2003 CEMC Pascal Problems/Problem 8 (hist) [719 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== What is the area of rectangle <math>ABCD</math>? {{Image needed}} <math> \text{ (A) }\ 15 \qquad\text{ (B) }\ 16 \qquad\text{ (C) }\ 18 \qquad\text{ (D) }\ 30 \qqu...")
- 14:03, 20 June 2025 2003 CEMC Pascal Problems/Problem 7 (hist) [1,601 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== In the diagram, the numbers <math>1, 2, 4, 5, 6, and 8</math> are substituted, in some order, for the letters <math>A, B, C, D, E, and F</math>, so that the number...")
- 13:54, 20 June 2025 2003 CEMC Pascal Problems/Problem 6 (hist) [1,007 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== Which of the following is ''not'' equal to <math>\frac{18}{5}</math>? <math> \text{ (A) }\ \frac{6^2}{10} \qquad\text{ (B) }\ \frac{1}{5}[6(3)]) \qquad\text{ (C)...")
- 23:11, 19 June 2025 2003 CEMC Pascal Problems/Problem 5 (hist) [592 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The value of <math>\frac{2^8}{8^2}</math> is <math> \text{ (A) }\ \frac{1}{16} \qquad\text{ (B) }\ 8 \qquad\text{ (C) }\ 4 \qquad\text{ (D) }\ \frac{1}{4} \qquad\...")
- 20:15, 19 June 2025 Erdős–Szekeres Theorem (hist) [3,833 bytes] Aoum (talk | contribs) (Created page with "== Erdős–Szekeres Theorem == The '''Erdős–Szekeres Theorem''' is a classic result in '''combinatorics''' that guarantees the existence of a long monotonic subsequence i...")
- 20:15, 19 June 2025 2003 CEMC Pascal Problems/Problem 4 (hist) [1,108 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== In the diagram, the value of x is {{Image needed}} <math> \text{ (A) }\ 40 \qquad\text{ (B) }\ 60 \qquad\text{ (C) }\ 100 \qquad\text{ (D) }\ 120 \qquad\text{ (E)...")
- 20:15, 19 June 2025 Vertical angles (hist) [29 bytes] Anabel.disher (talk | contribs) (Redirected page to Vertical Angles) (Tag: New redirect)
- 20:14, 19 June 2025 Ramsey's Theorem (hist) [4,373 bytes] Aoum (talk | contribs) (Created page with "== Ramsey's Theorem == '''Ramsey's Theorem''' is a fundamental result in '''combinatorics''' and '''graph theory''' that formalizes the idea that complete disorder is impossi...")
- 20:03, 19 June 2025 2003 CEMC Pascal Problems/Problem 3 (hist) [957 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The value of <math>\frac{6 + 6 \times 3 - 3}{3}</math> is <math> \text{ (A) }\ 11 \qquad\text{ (B) }\ 7 \qquad\text{ (C) }\ 3 \qquad\text{ (D) }\ 9 \qquad\text{ (...")
- 19:53, 19 June 2025 2003 CEMC Pascal Problems/Problem 2 (hist) [1,434 bytes] Anabel.disher (talk | contribs) (Created page with "==Problem== The missing number in the geometric sequence <math>2, 6, 18, 54, \underline{\hspace{2.4em}} , 486</math> is <math> \text{ (A) }\ 72 \qquad\text{ (B) }\ 90 \qquad\...")
