All Questions ⁺⁰234918 Questions

0

798

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

Guest Jun 12, 2012

0

958

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 ..

DenizYildirim Jun 12, 2012

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864

1

equations

I'm really confused now??
hence solve x²+6x-16=0

Guest Jun 12, 2012

0

946

1

11x+8=8x+17

[input][inputrad][/inputrad][/input]

Guest Jun 12, 2012

0

851

1

Algebra 2

I need to solve x + 3 = -6 the x+3 is in the square root sign.

Guest Jun 12, 2012

0

1001

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

Guest Jun 12, 2012

0

699

1

STATISTICS

WHAT IS PROBIBLITY OF FLIPPING QUARTER 3 TIMES AND GETTING HEADS THR TIMES? ROUND TO NEAREST THOUSANDTHS.

Guest Jun 12, 2012

0

911

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 read more ..

Guest Jun 12, 2012

0

672

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

712

1

Integrated algebra final

(5xy2)(3x2y) The 2 are to the square

Guest Jun 12, 2012

0

813

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

heidijorichards Jun 12, 2012

0

928

1

algebra

Solve the equation (x − 4) = 2x for x.

Guest Jun 12, 2012

0

679

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

673

1

math

what is x^2+6x+9=0

Guest Jun 11, 2012

0

852

1

Algebra 1

What is the solution of the equation ?
3/7x+6=3x?

Guest Jun 11, 2012

0

823

2

MATHS

Guest Jun 11, 2012

0

897

1

math

what is $21.277 rounded to the nearest cent?

Guest Jun 11, 2012

0

1478

1

what is 4 divided by four ninths as a fraction

what is 4 divided by four ninths as a fraction

Guest Jun 11, 2012

Jun 10, 2012

0

839

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

Guest Jun 10, 2012

0

860

1

algebra

A=(a+b+c)/3 for b

Guest Jun 10, 2012

0

908

1

physics

7.14/1.67x10^-27=

Guest Jun 10, 2012

0

884

1

To another Numeral system

Please help.
100! (one hundred factorial) convert to 16 Numeral System.
Thanks.

Guest Jun 10, 2012

0

1101

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

Guest Jun 10, 2012

0

1231

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.

Guest Jun 10, 2012

Jun 8, 2012

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665

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 ..

Guest Jun 8, 2012

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