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Post New Question
All Questions
+0
236385 Questions
0
811
1
stuff
WHAT IS THE PROFIT IF SAM BOUGHT HIS CAR FOR £700 AND HE SOLD THE CAR FOR 20% OF THE PROFIT
WORK UT HOW MUCH SAM SOLD HIS CAR FOR
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Guest
Jun 12, 2012
0
968
2
+8
Expanding Brackets
I was doing some maths revision and the clip I was watching told me the following:
(2y+1)^2 = 4y^2+4y
I understand how the 4y^2 part was achieved but I don't get how or where the +4y bit comes from.
Can someone please help me.
-Thanks
read more ..
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DenizYildirim
Jun 12, 2012
0
878
1
equations
I'm really confused now??
hence solve x²+6x-16=0
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Guest
Jun 12, 2012
0
961
1
11x+8=8x+17
[input][inputrad][/inputrad][/input]
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Guest
Jun 12, 2012
0
864
1
Algebra 2
I need to solve x + 3 = -6 the x+3 is in the square root sign.
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Guest
Jun 12, 2012
0
1017
1
solve for n and simplify the expression
1. Solve for n in the equation bn= n + a
2. Simplify the expression x^2-y^2/x^2-2xy+y^2
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Guest
Jun 12, 2012
0
712
1
STATISTICS
WHAT IS PROBIBLITY OF FLIPPING QUARTER 3 TIMES AND GETTING HEADS THR TIMES? ROUND TO NEAREST THOUSANDTHS.
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Guest
Jun 12, 2012
0
926
1
notation problem
Hi guys i'm not really a professional mathematician or anything, i'm still in school but i was wondering if anyone could help me with this problem. whenever i use asin and put this one specific fraction with 300sin84 as the numerator and 100 as the denominator
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Guest
Jun 12, 2012
0
688
0
Komplexität
Möglichst kleine Kömplexitätsklasse in (O-Notation )
a)f(n)= 4*n^2+1
b)h(n)= log(n)*(15*n+10*n^2)
danke!!
Guest
Jun 12, 2012
0
724
1
Integrated algebra final
(5xy2)(3x2y) The 2 are to the square
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Guest
Jun 12, 2012
0
827
1
+4
calculator
could you explain to me how do I use the algebra calculator to check my work? my question is
4 (x + 1) > 16 ? I can not figure this out at all.
Thank you
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heidijorichards
Jun 12, 2012
0
944
1
algebra
Solve the equation (x − 4) = 2x for x.
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Guest
Jun 12, 2012
0
695
0
Roots
What are the steps to solve this
(1-5to the square root of 5) / (5 plus 2 to the square root of 5)
Guest
Jun 12, 2012
Jun 11, 2012
0
684
1
math
what is x^2+6x+9=0
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Guest
Jun 11, 2012
0
864
1
Algebra 1
What is the solution of the equation ?
3/7x+6=3x?
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Guest
Jun 11, 2012
0
833
2
MATHS
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Guest
Jun 11, 2012
0
911
1
math
what is $21.277 rounded to the nearest cent?
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Guest
Jun 11, 2012
0
1493
1
what is 4 divided by four ninths as a fraction
what is 4 divided by four ninths as a fraction
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Guest
Jun 11, 2012
Jun 10, 2012
0
852
2
GCSE Algebra
Can you guys check this for me?
Q: ay + by + ax + bx
I think the answer is y (a+b) x(a+b), which translates to xy(a+b)? Yes or no?:s
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Guest
Jun 10, 2012
0
875
1
algebra
A=(a+b+c)/3 for b
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Guest
Jun 10, 2012
0
922
1
physics
7.14/1.67x10^-27=
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Guest
Jun 10, 2012
0
893
1
To another Numeral system
Please help.
100! (one hundred factorial) convert to 16 Numeral System.
Thanks.
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Guest
Jun 10, 2012
0
1116
2
calculate please
Would someone be so kind as to work out the answer to:
3.27 x 10 to-the-power-of 14.
(At the beginning of the new movie Prometheus, this is shown on-screen as the ship's distance from Earth in kilometres).
Many thanks
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Guest
Jun 10, 2012
0
1245
1
Math 10
A cylinder has a surface area of 339cm2. The radius is two times greater than the height. What is the radius of the cylinder? Answer to the nearest cm.
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Guest
Jun 10, 2012
Jun 8, 2012
0
678
1
Showing Results as fractions
Good morning. I was trying to use the Web 2.0 to check my work on some problems and the answer it showed when i put the question into it came out different than what i ended up with. so i wanted to see where i went wrong. Is there any way to get it to display
read more ..
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Guest
Jun 8, 2012
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