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0 
Questions Asked

cwrw238:
Group Title
Question from uk math challenge:
How many distinct pairs (x,y) of real numbers satisfy the equation (x + y)^2 = (x + 4)(x  4)
…
 updated 2 years ago
 7 replies
 2 Medals
Mathematics

cwrw238:
Group Title
Which celtic languages are still spoken?
 updated 2 years ago
 3 replies
 1 Medal
Mathematics

cwrw238:
Group Title
Plz confirm this
if f(x) = x^2  19 with domain (INF, 0)
g(x) = 1  0.5x with domain (6, INF)
…
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

cwrw238:
Group Title
I'm helping my nephew with a function question and i'm stuck on one part  I should know this really.
f(x) = x^2  19, domain = (INF, …
 updated 2 years ago
 13 replies
 No Medals Yet
Mathematics

cwrw238:
Group Title
Find f' in terms of g' if
f(x) = g(x + g(a)).
 updated 2 years ago
 11 replies
 4 Medals
Mathematics

cwrw238:
Group Title
how about this one
101, 12, 11, 10, ....
 updated 2 years ago
 18 replies
 7 Medals
Mathematics

cwrw238:
Group Title
my drawing board is messed up to  it doesn't write what i intend it to write!
 updated 2 years ago
 27 replies
 2 Medals
Mathematics

cwrw238:
Group Title
Solve in prime numbers pq + p + q + 2 = p^2.
 updated 2 years ago
 10 replies
 2 Medals
Mathematics

cwrw238:
Group Title
Please try this question from a math test. I am baffled by it.
4fccab66e4b0c6963ad793dfsmishra1338813325025copyofnewmicrosoftofficewordd…
 updated 2 years ago
 52 replies
 2 Medals
Mathematics

cwrw238:
Group Title
Not a question  just something I came across in a math book. Amicable Numbers: 220 and 284 are good friends. Why?  well the divisors of …
 updated 2 years ago
 4 replies
 2 Medals
Mathematics

cwrw238:
Group Title
All the smartscores are blank on my screen. Is this a known problem?
 updated 2 years ago
 2 replies
 1 Medal
Mathematics

cwrw238:
Group Title
Just for fun . A quiz question:
If H is 361 and I is 529 what is A?
 updated 2 years ago
 8 replies
 3 Medals
Mathematics

cwrw238:
Group Title
Is there a herbal preparation to help IBS?
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

cwrw238:
Group Title
Differentiate sin(sin(sin x))
 updated 2 years ago
 16 replies
 1 Medal
Mathematics

cwrw238:
Group Title
I continue to have trouble solving limits in calculus. Can anybody recommend a good website which deals with this. An 'idiots guide' ?
 updated 2 years ago
 22 replies
 2 Medals
Mathematics

cwrw238:
Group Title
There are 5 keys. Each one will open one of five cars. If i pick one of the keys at random and try to open one of the cars what is the proba…
 updated 2 years ago
 4 replies
 2 Medals
Mathematics

cwrw238:
Group Title
Fun question:
evaluate (pa)(p b)(pc)............ (pz)
 updated 2 years ago
 14 replies
 2 Medals
Mathematics

cwrw238:
Group Title
Find ratio of area of p to area of q.
…
 updated 2 years ago
 29 replies
 2 Medals
Mathematics

cwrw238:
Group Title
Just for fun  i found this question in a puzzle book  explain why numbers of the form ABABAB where A and B are positive whole numbers are …
 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics

cwrw238:
Group Title
Just for fun. I like this amusing puzzle. What are the next 2 letters in the series
F S T F F S  
 updated 2 years ago
 16 replies
 6 Medals
Mathematics

cwrw238:
Group Title
Differentiate sinsinsin2x
 updated 2 years ago
 17 replies
 2 Medals
Mathematics

cwrw238:
Group Title
Find the maximum difference between a positive number and its square (number  square).
 updated 2 years ago
 7 replies
 6 Medals
Mathematics

cwrw238:
Group Title
Help  my grandson came up with this question:
Prove that every natural number is either even or odd.
 updated 2 years ago
 6 replies
 5 Medals
Mathematics

cwrw238:
Group Title
Integrate [(x^2 + 1)e^x] / (x+1)^2
 updated 2 years ago
 14 replies
 4 Medals
Mathematics

cwrw238:
Group Title
survey on the food preferences of pupils at a school found that 70% of the pupils like pears, 75% like oranges, 80% like bananas and 85% li…
 updated 2 years ago
 10 replies
 2 Medals
Mathematics

cwrw238:
Group Title
A survey on the food preferences of pupils at a school found that 70% of the pupils like pears, 75% like oranges, 80% like bananas and 85% l…
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

cwrw238:
Group Title
The equation x^2 + ax + b = 0 has solutions x=a and x=b where a and b are different.
How many equations are there?…
 updated 3 years ago
 1 reply
 1 Medal
Mathematics

cwrw238:
Group Title
The equation x^2 + ax + b = 0 has solutions x=a and x=b where a and b are different. How many equations are there?
A 0 B 1 C 3 …
 updated 3 years ago
 1 reply
 No Medals Yet
Mathematics

cwrw238:
Group Title
Positive integers x and y satisfy the equation
sqrt x  sqrt 11 = sqrt y
What is the maximum possible value of x/y?…
 updated 3 years ago
 31 replies
 1 Medal
Mathematics

cwrw238:
Group Title
Positive integers x and y satisfy the equation
sqrt x  sqrt 11 = sqrt y
…
 updated 3 years ago
 No Medals Yet
Mathematics
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