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**Math Game
1054 cr points
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24 / M / tethe'alla
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Posted 9/18/07
^ummm...55
# of hands on a clock times # of squares on a checker board -the number of my cr points(248)
282 cr points
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27 / F
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Posted 9/18/07
-120 if you don't count the second hand.
-56 if you do count the second hand.

2 #'s whose sum is equal to 120.5 and whose product is 3,597

this game is really simple for some people so i'm gonna through this in.

prove that :

cos(t)+sin(t) cos(2t)
--------------- = ------------
cos(t)-sin(t) 1- sin(2t)
5943 cr points
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59 / F / Melbourne
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Posted 9/20/07
^^wrong. There are 8 planets in the solar system, 6 states, I am 49 and there are 1760 yards in a mile. This makes (8 x 6) + 49 - 1760 = -1663
6826 cr points
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23 / A House
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Posted 1/21/08
nooooo i feel stupid
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AY-SH-UH
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Posted 1/21/08


4601 cr points
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24 / F / Forks.
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Posted 1/22/08

BEN1HIME wrote:





uhm im actually really good at math and would like to try this game...but that stuff just doesnt make any senseee ?




2 numbers that add to give 20, multiply to give 100. [EASY]
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25 / F / YunJaeHo Heaven
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Posted 1/22/08
10...

5, _ , _ 320 ?
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26 / M / Norway
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Posted 1/22/08
5, 110, 215, 320 =D

you have four 9's (yeah, 9999)
and you can use the 9 in whatever way you want.
Goal: 100
you may use +-/*, parantese, potency etc... (just whatever that comes in your mind)
and you can split up the 9999

ie. 999-9=990 (<--not the answer)

got it?
[medium]
4601 cr points
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24 / F / Forks.
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Posted 1/22/08
110, 215 ....
turn this into a radical:
6^1/2
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M
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Posted 1/22/08
Is this a trick question, since the square root of six is already a radical! (A more proper term would be an irrational number)

Here's my shot at things: Evaluate this!

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26 / M / Norway
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Posted 1/24/08
huh?
for me... that could be
(4/6 *plus or multiply* 3/7)^50

(was that a math question? :S)



you have four 9's (yeah, 9999)
and you can use the 9 in whatever way you want.
Goal: 100
you may use +-/*, parantese, potency etc... (just whatever that comes in your mind)
and you can split up the 9999

ie. 999-9=990 (<--not the answer)

got it?
[medium]
9988 cr points
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M
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Posted 1/24/08

scorpionhax wrote:

Is this a trick question, since the square root of six is already a radical! (A more proper term would be an irrational number)

Here's my shot at things: Evaluate this!



Okay, so linear algebra may be a wee bit out of your league. I'll stick to something high schoolish then.

Find the length of the line segment c

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26 / M / atlantis
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Posted 2/10/08
3.42 metres.

ok then evaluate [3x-(2/3)y]^12

thats 3x minus two thirds y all raised to the power of 12.

soz that should say expand
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27 / M / A mysterious pers...
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Posted 2/10/08

number1sculler wrote:

3.42 metres.

ok then evaluate [3x-(2/3)y]^12

thats 3x minus two thirds y all raised to the power of 12.

soz that should say expand


Heyy, this is easy. All you nid is a little Binomial Theorem.

[3x-(2/3)y]^12]= (3x)^12+[12(3x)^11.(-2/3y)]+[66(3x)^10.(-2/3y)^2]+...+[66(3x)^2.(-2/3y)^10]+[12(3x).(-2/3y)^11]+(-2/3y)^12

Sry i didnt expand it all bt it will take up a damn lot of space.

Aniways, why are we off topic? Is it because we want more challenging problems. Haha!

Ok..you need calculus to solve this one.

The currentI in a can electric circuit at time T sastifies the differential equation 4(dI/d T)=2-3I Find I in terms of T, given that I=2 when T=0.

State what happens to the current in the circuit for large values of T

Well, this is what i learn i school right nw but my teachers say we gonna face much harder stuff at the end of the year. Haha!
53387 cr points
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Posted 10/15/09
.....

2# that add to give 121, multiply to give 3528
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