World's Stupidest questions

[101dalmatians]

[unparseable or potentially dangerous latex formula] (APPROX.)

[unparseable or potentially dangerous latex formula] is [unparseable or potentially dangerous latex formula] of ____________

[unparseable or potentially dangerous latex formula]

I [by mistake] did [unparseable or potentially dangerous latex formula] but do you just do [unparseable or potentially dangerous latex formula] or is there an easier way?

[101dalmatians]

Area of a triangle whose measures are 15, 15, and 24

[nsguy1350]

[darksaber21]

[nsguy1350]

[101dalmatians]

Thanks

@nsguy1350: But I thought 6.5 * 6.5 = 42.25 and not 42.5
But I think you meant 42.25 cuz thats what the question asks for.

[101dalmatians]

[101dalmatians]

Do you memorize [unparseable or potentially dangerous latex formula] or do you just convert it to a percent right then and there

[nsguy1350]

[101dalmatians]

[PokémonMaster]

[101dalmatians]

On a Dr. Numsen Test
Not UIL - so I really dont worry - BUT
there are slight chances - especially after seeing a 3X3 matrix - that this could come...

[darksaber21]

3 x 3 matrices are not that bad (depending on the question of course).

But I wouldn't expect that, except for maybe approximations.

[nsguy1350]

Well... [unparseable or potentially dangerous latex formula] Note the 19 x 21.

[101dalmatians]

Yeah... I kinda thought bout that - not during the test but later...
I mean most of the times, previously I mean, when I didnt no those memorizations of percentages, I used to do what u did...
I was just confused whtn they said 21?!?!?!

[smeag]

245 base 9 / 7 base 9 = base 9

12 (12/49) / 3 (3/7) =

(44 base 7 + 55 base 7) / 6 has a remainder of

111 (base 2) + 222 (base 3) + 333 (base 4) = base 10

1 - 2^2 + 3^2 - 4^2 + 5^2 - ... - 10^2 =

* Can you also show me how to do the last problem without the squares?

Thank you very much!!

[smeag]

So... can someone please help me?

[101dalmatians]

[101dalmatians]

Many of these questions have been worked out earlier.
Read the other threads... Look onto www.math-magic.com too