Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

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JaneFairfax wrote:

Twenty-three. Thats one name for the number 23.

it is numbers not STUPID LETTERS

Dross wrote:

roger wrote:write an equation in standard form that:

1) passes though (7,2) and parallel to x+y=6

and

2) passes through (1,9) and is perpendicular to 2x-5y=8

Have you made any attempt at these questions? How far have you got?

Both of these need to be in the form y = mx + c (or whatever symbols you're using for "gradient" and "y-intersection" - m and c are what I'm using, respectively).

So here are two further sub-questions that will get you started on the first question:

i) What is the gradient (m in the equation above) of the first line?

If you can answer this, you'll have the m in the equation. Then:

ii) What does c have to be so that y = 2 when x = 7?

Get back with any thoughts/answers/guesses (:P) you have for these.

can you plese help me,im a fith grader whom needs help 13kayduz

I can only us the following numbers (123456789) But there are only 4 eve numbers, i need hep fast!

Ricky wrote:

1+22, 2+21, 3+20, ... no?

thank you

Identity wrote:

Thank you for helping me;)

Shurrik wrote:

二十三 = 23 (in Chinese)

Thank you oh so very much:D

JaneFairfax wrote:

Twenty-three. Thats one name for the number 23.

i need numbers not letters:)

13kayduz wrote:

is 80%1920=24

- 13kayduz

the number i needed was 23:D

kamalakshya mahatab wrote:

can u send me some questions on mathematics

do you know the square root of 144

lightning wrote:

elementry??? whats a elementry in scotland we call it primary but for short i'm in p7 or as you might call it a "grade" i saw it on tv

are you in 7 th grade??

I need help on some math

13kayduz password????

I need a name for 23. any results????

is 80%1920=24

- 13kayduz

**13kayduz**- Replies: 13

I need five names for the number 23.

I have 1x23=23 and 10+13 =23, but am not sure what is next.

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