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Math Problem of the Week
88 topics • Page 1 of 2 • 1, 2
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- Can anyone solve this math question?? I'm stuck!
by Guest » Thu May 10, 2018 6:24 am
- 1 Replies
- 448 Views
- Last post by nathi123
Fri May 11, 2018 12:38 pm
- Can anyone solve this math question?? I'm stuck!
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- Calculate y^16 of function y=xlog2(1-3x)
by Guest » Wed Nov 22, 2017 6:57 pm - 2 Replies
- 1568 Views
- Last post by Guest
Fri Apr 13, 2018 10:59 am
- Calculate y^16 of function y=xlog2(1-3x)
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- Overlapping area of 2 circles (II)
by Guest » Sat Sep 02, 2017 1:49 am - 0 Replies
- 712 Views
- Last post by Guest
Sat Sep 02, 2017 1:49 am
- Overlapping area of 2 circles (II)
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- Find the value of x
by Victorique » Wed Jun 28, 2017 5:12 am - 2 Replies
- 1059 Views
- Last post by Victorique
Tue Jul 04, 2017 11:13 am
- Find the value of x
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- The Fibonacci sequence is defined by...
by Mellie » Fri Jul 24, 2015 11:50 am
- 3 Replies
- 2280 Views
- Last post by yasir7718
Sat Jul 01, 2017 5:31 am
- The Fibonacci sequence is defined by...
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- Overlapping area of 2 circles
by Guest » Sun Apr 16, 2017 5:39 am - 8 Replies
- 933 Views
- Last post by Guest
Wed Jun 14, 2017 12:08 am
- Overlapping area of 2 circles
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- Limit with trigonometric sums
by Guest » Fri Mar 17, 2017 3:02 pm - 1 Replies
- 869 Views
- Last post by Guest
Sat Mar 18, 2017 5:51 am
- Limit with trigonometric sums
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- Math Word problems
by mwareham47 » Fri Jul 15, 2016 10:35 pm - 2 Replies
- 787 Views
- Last post by ljtilmon
Thu Feb 23, 2017 12:11 pm
- Math Word problems
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- Discrete maths, inference rules.
by Guest » Sat Feb 11, 2017 9:05 am - 0 Replies
- 556 Views
- Last post by Guest
Sat Feb 11, 2017 9:05 am
- Discrete maths, inference rules.
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- Why is determinant 0 when vectors are linearly dependent?
by Guest » Wed Feb 01, 2017 10:39 pm - 2 Replies
- 746 Views
- Last post by Math Tutor
Thu Feb 02, 2017 7:36 am
- Why is determinant 0 when vectors are linearly dependent?
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- Parallel equation
by chivalron » Fri Jan 13, 2017 10:30 am - 1 Replies
- 1917 Views
- Last post by Guest
Sat Jan 21, 2017 12:42 pm
- Parallel equation
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- How can we solve two equations with three unknowns or variab
by Guest » Thu Dec 29, 2016 1:00 am
- 2 Replies
- 674 Views
- Last post by Guest
Fri Jan 06, 2017 8:31 am
- How can we solve two equations with three unknowns or variab
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- Knights - knaves
by Guest » Wed Dec 07, 2016 10:36 am - 4 Replies
- 872 Views
- Last post by Guest
Thu Dec 22, 2016 5:11 am
- Knights - knaves
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- BDMS Rules
by Irfan » Sun Oct 23, 2016 6:14 am
- 8 Replies
- 1315 Views
- Last post by Guest
Mon Dec 19, 2016 11:00 pm
- BDMS Rules
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- Integration, derivatives, Partial derivatives
by Irfan » Fri Oct 21, 2016 11:25 pm
- 0 Replies
- 542 Views
- Last post by Irfan
Fri Oct 21, 2016 11:25 pm
- Integration, derivatives, Partial derivatives
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- Gemetric Puzzle Challenge
by Guest » Tue Dec 08, 2015 6:32 am - 2 Replies
- 1468 Views
- Last post by ten2match
Mon Aug 01, 2016 5:39 am
- Gemetric Puzzle Challenge
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- Prove the inequality
by Math Tutor » Sat Jul 23, 2016 8:36 am - 2 Replies
- 993 Views
- Last post by Guest
Sat Jul 23, 2016 9:24 pm
- Prove the inequality
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- When does two line segments intercept?
by Math Tutor » Wed Apr 02, 2014 3:46 am - 10 Replies
- 2040 Views
- Last post by Guest
Wed Jun 15, 2016 12:57 pm
- When does two line segments intercept?
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- No equilateral triangle
by MM » Tue Sep 25, 2012 6:50 pm - 6 Replies
- 1570 Views
- Last post by Guest
Sun Jun 05, 2016 8:21 am
- No equilateral triangle
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- Solve the equation (x^2+x+1)*(x^2+x+2)=12
by Math Tutor » Wed May 18, 2016 10:14 am - 3 Replies
- 944 Views
- Last post by Guest
Thu May 26, 2016 9:57 am
- Solve the equation (x^2+x+1)*(x^2+x+2)=12
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- Volume of irregular polyhedron
by Guest » Mon May 16, 2016 12:22 am - 10 Replies
- 834 Views
- Last post by Guest
Sat May 21, 2016 1:32 am
- Volume of irregular polyhedron
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- Solve the equation
by Math Tutor » Wed Sep 25, 2013 6:16 am - 8 Replies
- 2095 Views
- Last post by Guest
Wed Apr 06, 2016 9:58 am
- Solve the equation
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- Differential Equations Word Problem
by Jeff3355 » Tue Mar 22, 2016 2:56 am
- 6 Replies
- 1288 Views
- Last post by Guest
Sat Mar 26, 2016 7:00 am
- Differential Equations Word Problem
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- Number + number + number = 30
by Guest » Tue Jan 26, 2016 12:22 pm - 8 Replies
- 1117 Views
- Last post by Guest
Sat Feb 13, 2016 12:13 pm
- Number + number + number = 30
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- Solve the equation [tex]2(x-1)^9(x+1)^8=1[/tex]
by Guest » Thu Jan 07, 2016 3:20 am - 5 Replies
- 854 Views
- Last post by Guest
Thu Feb 04, 2016 3:38 pm
- Solve the equation [tex]2(x-1)^9(x+1)^8=1[/tex]
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- Difficult system of 3 equations
by Math Tutor » Sat Sep 03, 2011 3:50 am - 5 Replies
- 1599 Views
- Last post by leesajohnson
Sat Jan 30, 2016 6:30 am
- Difficult system of 3 equations
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- divisible by 61
by Math Tutor » Tue Nov 23, 2010 9:09 am - 4 Replies
- 1714 Views
- Last post by leesajohnson
Sat Jan 09, 2016 3:11 am
- divisible by 61
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- The number N is a multiple of 7. The base 2 representation
by Mellie » Fri Jul 24, 2015 11:46 am
- 1 Replies
- 1160 Views
- Last post by Guest
Fri Jul 24, 2015 1:09 pm
- The number N is a multiple of 7. The base 2 representation
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- Expand the polynomial f(n)=(n-0)(n-1)(n-2)(n-3)(n-4)
by Mellie » Fri Jul 24, 2015 11:49 am - 0 Replies
- 1112 Views
- Last post by Mellie
Fri Jul 24, 2015 11:49 am
- Expand the polynomial f(n)=(n-0)(n-1)(n-2)(n-3)(n-4)
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- Which of the residues 0, 1, 2, 3, 4 satisfy the congruenc
by Guest » Fri Jul 24, 2015 11:42 am - 0 Replies
- 527 Views
- Last post by Guest
Fri Jul 24, 2015 11:42 am
- Which of the residues 0, 1, 2, 3, 4 satisfy the congruenc
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- Show that the sum of 11 consecutive integers is always d
by Guest » Fri Jul 24, 2015 7:53 am - 0 Replies
- 572 Views
- Last post by Guest
Fri Jul 24, 2015 7:53 am
- Show that the sum of 11 consecutive integers is always d
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- Find the inverse of 7 modulo 13 (expressed as a residue bet
by Mellie » Wed Jul 22, 2015 12:05 pm - 1 Replies
- 1509 Views
- Last post by Guest
Thu Jul 23, 2015 6:20 pm
- Find the inverse of 7 modulo 13 (expressed as a residue bet
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- For a positive integer n, if both n and n + 2 are prim
by Mellie » Wed Jul 22, 2015 12:59 pm - 1 Replies
- 1003 Views
- Last post by Guest
Thu Jul 23, 2015 5:59 pm
- For a positive integer n, if both n and n + 2 are prim
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- Find a six-digit multiple of 64 that consists only of the d
by Mellie » Wed Jul 22, 2015 12:10 pm - 1 Replies
- 1299 Views
- Last post by Guest
Thu Jul 23, 2015 5:55 pm
- Find a six-digit multiple of 64 that consists only of the d
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- Show that n(2n + 1)(7n + 1) is divisible by 6 for all
by Mellie » Wed Jul 22, 2015 7:41 pm
- 1 Replies
- 1463 Views
- Last post by Guest
Thu Jul 23, 2015 5:47 pm
- Show that n(2n + 1)(7n + 1) is divisible by 6 for all
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- 1(1!) + 2(2!) + 3(3!) + ... + 49(49!) + 50(50!) = ?
by Math Tutor » Thu Jun 04, 2015 8:00 am - 7 Replies
- 1584 Views
- Last post by Guest
Sat Jun 06, 2015 5:02 pm
- 1(1!) + 2(2!) + 3(3!) + ... + 49(49!) + 50(50!) = ?
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- Diophantine equation x^2=y^5+7
by Guest » Fri Feb 14, 2014 10:08 am - 9 Replies
- 1773 Views
- Last post by Guest
Wed Apr 29, 2015 5:46 am
- Diophantine equation x^2=y^5+7
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- Calculus
by Guest » Thu Apr 09, 2015 12:20 pm - 2 Replies
- 1296 Views
- Last post by Guest
Sat Apr 11, 2015 5:12 am
- Calculus
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- The minimum of cos (a) + cos (b) + cos (c)
by Guest » Sat Jan 31, 2015 4:50 pm - 1 Replies
- 1174 Views
- Last post by Guest
Sun Feb 01, 2015 5:55 am
- The minimum of cos (a) + cos (b) + cos (c)
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- Smallest distance between two functions
by Math Tutor » Mon Jan 03, 2011 9:40 am - 3 Replies
- 3042 Views
- Last post by Guest
Wed Dec 10, 2014 12:26 pm
- Smallest distance between two functions
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- Trigonometric expression
by Math Tutor » Tue Jun 24, 2014 9:37 am - 2 Replies
- 2322 Views
- Last post by Math Tutor
Thu Jun 26, 2014 2:49 am
- Trigonometric expression
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- Let O be circumcenter of a triangle ABC
by Math Tutor » Mon Feb 17, 2014 4:44 am - 6 Replies
- 1400 Views
- Last post by Guest
Wed Feb 26, 2014 4:07 am
- Let O be circumcenter of a triangle ABC
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- Calculate the coordinates of C & D
by mwin002 » Mon Jan 27, 2014 9:05 pm
- 5 Replies
- 893 Views
- Last post by Guest
Tue Jan 28, 2014 5:13 pm
- Calculate the coordinates of C & D
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- Let a,b,c be real positive numbers and abc=1
by Math Tutor » Tue Oct 15, 2013 9:12 am - 5 Replies
- 2183 Views
- Last post by MM
Wed Oct 16, 2013 5:40 pm
- Let a,b,c be real positive numbers and abc=1
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- Prove for every x
by Math Tutor » Mon Sep 09, 2013 6:53 am - 2 Replies
- 1023 Views
- Last post by Math Tutor
Wed Sep 11, 2013 2:58 pm
- Prove for every x
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- Number and quadratic sequences
by Guest » Fri Jul 05, 2013 3:38 am - 1 Replies
- 1093 Views
- Last post by adamsmith
Mon Sep 02, 2013 3:07 am
- Number and quadratic sequences
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- Point inside a quadrilateral ABCD.
by Math Tutor » Tue Jul 16, 2013 8:28 am - 2 Replies
- 1930 Views
- Last post by Math Tutor
Fri Jul 19, 2013 9:43 am
- Point inside a quadrilateral ABCD.
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- Difficult equation
by Math Tutor » Fri Jun 07, 2013 2:57 am - 2 Replies
- 1008 Views
- Last post by Guest
Mon Jun 17, 2013 2:39 am
- Difficult equation
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- Discrete Mathematics
by filip_go » Thu May 02, 2013 9:00 am - 1 Replies
- 1409 Views
- Last post by Guest
Sun May 05, 2013 2:24 pm
- Discrete Mathematics
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- Solve and explain the math problem
by filip_go » Mon Apr 22, 2013 6:39 pm
- 3 Replies
- 907 Views
- Last post by Guest
Sun Apr 28, 2013 4:26 am
- Solve and explain the math problem
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