User contributions for Coolmath34
Results for Coolmath34 talk block log uploads logs
A user with 376 edits. Account created on 2 January 2016.
29 January 2021
- 09:1409:14, 29 January 2021 diff hist +39 m 1972 AHSME Problems/Problem 25 →Solution current
- 09:0709:07, 29 January 2021 diff hist +929 N 1972 AHSME Problems/Problem 15 Created page with "== Problem == A contractor estimated that one of his two bricklayers would take <math>9</math> hours to build a certain wall and the other <math>10</math> hours. However,..." current
- 08:4808:48, 29 January 2021 diff hist +860 N 1972 AHSME Problems/Problem 14 Created page with "== Problem == A triangle has angles of <math>30^\circ</math> and <math>45^\circ</math>. If the side opposite the <math>45^\circ</math> angle has length <math>8</math>, then..."
- 08:3908:39, 29 January 2021 diff hist +660 N 1972 AHSME Problems/Problem 12 Created page with "== Problem == The number of cubic feet in the volume of a cube is the same as the number of square inches in its surface area. The length of the edge expressed as a number..." current
28 January 2021
- 20:5620:56, 28 January 2021 diff hist +761 N 1972 AHSME Problems/Problem 10 Created page with "== Problem == For <math>x</math> real, the inequality <math>1\le |x-2|\le 7</math> is equivalent to <math>\textbf{(A) }x\le 1\text{ or }x\ge 3\qquad \textbf{(B) }1\le x\le..." current
- 20:4920:49, 28 January 2021 diff hist +838 N 1972 AHSME Problems/Problem 9 Created page with "== Problem == Ann and Sue bought identical boxes of stationery. Ann used hers to write <math>1</math>-sheet letters and Sue used hers to write <math>3</math>-sheet letters...." current
- 20:4620:46, 28 January 2021 diff hist +746 N 1972 AHSME Problems/Problem 8 Created page with "== Problem == If <math>|x-\log y|=x+\log y</math> where <math>x</math> and <math>\log y</math> are real, then <math>\textbf{(A) }x=0\qquad \textbf{(B) }y=1\qquad \textbf{(C)..." current
- 20:3620:36, 28 January 2021 diff hist +617 N 1972 AHSME Problems/Problem 7 Created page with "== Problem == If <math>yz:zx:xy=1:2:3</math>, then <math>\dfrac{x}{yz}:\dfrac{y}{zx}</math> is equal to <math>\textbf{(A) }3:2\qquad \textbf{(B) }1:2\qquad \textbf{(C) }1:..." current
- 20:3020:30, 28 January 2021 diff hist +677 N 1972 AHSME Problems/Problem 2 Created page with "== Problem == If a dealer could get his goods for <math>8</math>% less while keeping his selling price fixed, his profit, based on cost, would be increased to <math>(x+10)<..." current
- 20:1020:10, 28 January 2021 diff hist +686 N 1971 AHSME Problems/Problem 21 Created page with "== Problem == If <math>\log_2(\log_3(\log_4 x))=\log_3(\log_4(\log_2 y))=\log_4(\log_2(\log_3 z))=0</math>, then the sum <math>x+y+z</math> is equal to <math>\textbf{(A) }50..."
- 20:0120:01, 28 January 2021 diff hist +876 N 1971 AHSME Problems/Problem 19 Created page with "== Problem == If the line <math>y=mx+1</math> intersects the ellipse <math>x^2+4y^2=1</math> exactly once, then the value of <math>m^2</math> is <math>\textbf{(A) }\textstyl..."
- 19:5219:52, 28 January 2021 diff hist +842 N 1971 AHSME Problems/Problem 17 Created page with "== Problem == A circular disk is divided by <math>2n</math> equally spaced radii(<math>n>0</math>) and one secant line. The maximum number of non-overlapping areas into whi..."
- 19:2919:29, 28 January 2021 diff hist +888 N 1971 AHSME Problems/Problem 33 Created page with "== Problem == If <math>P</math> is the product of <math>n</math> quantities in Geometric Progression, <math>S</math> their sum, and <math>S'</math> the sum of their reciproca..."
- 19:1719:17, 28 January 2021 diff hist +1,516 N 1971 AHSME Problems/Problem 26 Created page with "== Problem == <asy> size(2.5inch); pair A, B, C, E, F, G; A = (0,3); B = (-1,0); C = (3,0); E = (0,0); F = (1,2); G = intersectionpoint(B--F,A--E); draw(A--B--C--cycle); draw..."
- 19:0919:09, 28 January 2021 diff hist +828 N 1971 AHSME Problems/Problem 20 Created page with "== Problem == The sum of the squares of the roots of the equation <math>x^2+2hx=3</math> is <math>10</math>. The absolute value of <math>h</math> is equal to <math>\textbf{(..."
- 19:0219:02, 28 January 2021 diff hist +845 N 1971 AHSME Problems/Problem 16 Created page with "== Problem == After finding the average of <math>35</math> scores, a student carelessly included the average with the <math>35</math> scores and found the average of these <..."
- 18:5118:51, 28 January 2021 diff hist +1,222 N 1971 AHSME Problems/Problem 9 Created page with "== Problem 9 == An uncrossed belt is fitted without slack around two circular pulleys with radii of <math>14</math> inches and <math>4</math> inches. If the distance between..."
- 18:2318:23, 28 January 2021 diff hist +594 N 1971 AHSME Problems/Problem 14 Created page with "== Problem == The number <math>(2^{48}-1)</math> is exactly divisible by two numbers between <math>60</math> and <math>70</math>. These numbers are <math>\textbf{(A) }61,63\..."
- 18:1918:19, 28 January 2021 diff hist +775 N 1971 AHSME Problems/Problem 10 Created page with "== Problem == Each of a group of <math>50</math> girls is blonde or brunette and is blue eyed of brown eyed. If <math>14</math> are blue-eyed blondes, <math>31</math> are br..."
- 17:0717:07, 28 January 2021 diff hist +759 N 1971 AHSME Problems/Problem 8 Created page with "== Problem == The solution set of <math>6x^2+5x<4</math> is the set of all values of <math>x</math> such that <math>\textbf{(A) }\textstyle -2<x<1\qquad \textbf{(B) }-\frac..."
- 17:0017:00, 28 January 2021 diff hist +1,505 N 1971 AHSME Problems/Problem 6 Created page with "==Problem== Let <math>\ast</math> be the symbol denoting the binary operation on the set <math>S</math> of all non-zero real numbers as follows: For any two numbers <math>a<..."
- 16:0716:07, 28 January 2021 diff hist +1 1971 AHSME Problems/Problem 4 →Solution
- 16:0716:07, 28 January 2021 diff hist +989 N 1971 AHSME Problems/Problem 4 Created page with "==Problem== After simple interest for two months at <math>5</math>% per annum was credited, a Boy Scout Troop had a total of <math>\textdollar 255.31</math> in the Council T..."
- 15:4515:45, 28 January 2021 diff hist +8 1981 AHSME Problems/Problem 16 →Solution (Long Way)
- 15:4415:44, 28 January 2021 diff hist −274 1981 AHSME Problems/Problem 16 No edit summary
- 15:3615:36, 28 January 2021 diff hist +786 N 1981 AHSME Problems/Problem 11 Created page with "==Problem 11== The three sides of a right triangle have integral lengths which form an arithmetic progression. One of the sides could have length <math> \textbf{(A)}\ 22\qqua..."
- 15:2815:28, 28 January 2021 diff hist +845 N 1981 AHSME Problems/Problem 8 Created page with "==Problem 8== For all positive numbers <math>x</math>, <math>y</math>, <math>z</math>, the product <cmath> (x+y+z)^{-1}(x^{-1}+y^{-1}+z^{-1})(xy+yz+xz)^{-1}[(xy)^{-1}+(yz)^{-..."
- 15:1815:18, 28 January 2021 diff hist +507 N 1981 AHSME Problems/Problem 7 Created page with "==Problem 7== How many of the first one hundred positive integers are divisible by all of the numbers <math>2</math>, <math>3</math>, <math>4</math>, and <math>5</math>? <mat..."
- 15:1615:16, 28 January 2021 diff hist +912 N 1981 AHSME Problems/Problem 5 Created page with "==Problem 5== In trapezoid <math>ABCD</math>, sides <math>AB</math> and <math>CD</math> are parallel, and diagonal <math>BD</math> and side <math>AD</math> have equal length...."
- 15:0315:03, 28 January 2021 diff hist +835 N 1981 AHSME Problems/Problem 16 Created page with "==Problem== The base three representation of <math>x</math> is <cmath>12112211122211112222</cmath> The first digit (on the left) of the base nine representation of <math>x</m..."
- 14:5514:55, 28 January 2021 diff hist +647 N 1981 AHSME Problems/Problem 6 Created page with "==Problem== If <math>\frac{x}{x-1} = \frac{y^2 + 2y - 1}{y^2 + 2y - 2},</math> then <math>x</math> equals <math>\text{(A)} \quad y^2 + 2y - 1</math> <math>\text{(B)} \quad y..."
- 14:4814:48, 28 January 2021 diff hist +754 N 1981 AHSME Problems/Problem 4 Created page with "==Problem== If three times the larger of two numbers is four times the smaller and the difference between the numbers is 8, the the larger of two numbers is: <math>\text{(A)..."
- 14:3914:39, 28 January 2021 diff hist +2 User:Coolmath34 →About Me
- 14:3914:39, 28 January 2021 diff hist −32 User:Coolmath34 →About Me
- 14:3714:37, 28 January 2021 diff hist −640 User:Coolmath34 No edit summary
- 14:3714:37, 28 January 2021 diff hist −353 User:Coolmath34 No edit summary
- 14:3714:37, 28 January 2021 diff hist −180 User:Coolmath34 No edit summary
- 14:3714:37, 28 January 2021 diff hist −28 User:Coolmath34 No edit summary
12 March 2018
- 20:1820:18, 12 March 2018 diff hist 0 2011 AMC 10A Problems/Problem 4 →Note
- 20:1420:14, 12 March 2018 diff hist +345 N 1981 AHSME Problems/Problem 9 Created page with "Because the space diagonal of a cube with side length <math>s</math> is <math>s \sqrt{3},</math> the side length of the cube in this problem is <math>\frac{a}{\sqrt{3}}.</math..."
22 February 2018
30 January 2018
- 21:2521:25, 30 January 2018 diff hist +4 2011 AMC 10A Problems/Problem 4 →Note
- 21:2521:25, 30 January 2018 diff hist +261 2011 AMC 10A Problems/Problem 4 →Solution 1
24 December 2017
- 18:2718:27, 24 December 2017 diff hist +909 N 2008 iTest Problems/Problem 15 Created page with "==Problem== How many four-digit multiples of <math>8</math> are greater than <math>2008</math>? ==Solution== We can make a list of four-digit multiples of <math>8</math> that..."
21 December 2017
- 21:2021:20, 21 December 2017 diff hist +371 N 2008 iTest Problems/Problem 3 Created page with "(storyline deleted) What is the average of <math>181,</math> <math>197,</math> <math>203,</math> <math>204,</math> <math>212,</math> and <math>227?</math> ==Solution== The a..."
4 December 2017
- 20:0520:05, 4 December 2017 diff hist +289 User:Coolmath34 →Math Career
- 20:0420:04, 4 December 2017 diff hist +1,213 N User:Coolmath34 stuff of a cubed penguin called coolmath34
