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Today, 01:54
Yes, I don't see how the answers given by your book could possibly be correct.
3 replies  15 view(s)

Today, 01:52
Because we both made the same mistake reading the problem. We are told:
Ahmad has x marbles. He has 40 more marbles than Weiming
This means...
4 replies  16 view(s)

Today, 01:45
Looks good! (Yes)
1 replies  13 view(s)

Today, 01:38
Yes, that's good.
Here, they are telling you:
m+4=40
So, you need to solve for \(m\) to determine how many pupils were there in the...
3 replies  15 view(s)

Today, 01:35
That looks good! (Yes)
4 replies  16 view(s)

August 14th, 2018, 12:36
Hello all,
A friend of mine on another forum, knowing I am involved in the math help community, approached me regarding a question in statistics....
9 replies  178 view(s)

August 13th, 2018, 19:20
I would look at all factors present, and take the smaller power present in each:
2\cdot3^2\cdot7=126
3 replies  86 view(s)

August 13th, 2018, 11:34
The problem states:
5 replies  119 view(s)

August 13th, 2018, 00:43
Looks good! (Yes)
5 replies  119 view(s)

August 13th, 2018, 00:35
I just wanted to say, I'm really liking the way you title your threads usefully and show your work. (Yes)
3 replies  61 view(s)

August 13th, 2018, 00:14
You've got Kat and Nora right, but Devi would receive 24 + 2x (that's 2x more than Kate). And so the sum \(S\) would be:
...
3 replies  61 view(s)

August 9th, 2018, 11:43
Here is this week's POTW:

Consider polynomials $P(x)$ of degree at most $3$, each of whose coefficients is an element of $\{0, 1, 2, 3,...
0 replies  127 view(s)

August 9th, 2018, 11:40
Congratulations to the following members for their correct solution!(Cool)
1. kaliprasad
2. Olinguito
3. castor28
Solution from castor28:
If...
1 replies  211 view(s)

August 9th, 2018, 03:15
We multiply p by 2 since Raju's friend gave him another 2p foreign stamps, and this would add into the total number of foreign stamps Raju has at...
3 replies  95 view(s)

August 8th, 2018, 09:44
Hello, and welcome to MHB! For future reference, please post only 1 multiple part question per thread,
After distributing the sweets to her...
3 replies  95 view(s)

August 8th, 2018, 02:07
Yes, using the reasoning in my previous post, we can write:
f(2)=3(2)2=8
6 replies  86 view(s)

August 8th, 2018, 01:43
Suppose \(f(x)\) is divided by the divisor \(D(x)\). This will result in a quotient \(Q(x)\) and a remainder \(R(x)\):
...
6 replies  86 view(s)

August 8th, 2018, 00:08
I would begin by writing:
\frac{ax^3+bx^2+cx+d}{(x+3)(x1)}=Q(x)+\frac{2x+1}{(x+3)(x1)}
Or:
f(x)=ax^3+bx^2+cx+d=Q_1(x)(x+3)(x1)+2x+1
...
6 replies  86 view(s)
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Name: MHB Challenges Award (2014)



Name: MHB Challenges Award (JanJune 2013)
