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TRP: Changing Conferences Since 1999

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Re: TRP: Changing Conferences Since 1999

Scarlet said:
Isn't the answer 0? Anything x0 = 0.
Click to expand...

Nope, you only do that if you're multiplying the entire series by 0, that is, if it's (5 + 5 + 5 - 5 + 5 + 5 - 5 + 5) x 0. Without parentheses denoting that they want you to sum up the entire series before multiplying it, you treat it like (5 x 5) + (2 x -5) + (5 x 0). The more complex operations (multiplication, division) always get done before the less complicated (addition, subtraction.)

EDIT: Sorry, melmac. :o ;)
 
Re: TRP: Changing Conferences Since 1999

Scarlet said:
Isn't the answer 0? Anything x0 = 0.
Click to expand...
No, there are multiple terms in the equation. Each time you insert a + or - into an equation you're creating a new term, unless you group them using parentheses. Each term is treated separately from the other. In this case, there are 8 terms, 5*0 being one term. So if the equation had been written as (5 + 5 + 5 - 5 + 5 + 5 - 5 + 5) x 0, that would = 0. When it's written as 5 + 5 + 5 - 5 + 5 + 5 - 5 + 5 x 0, that equals 15.
 
Re: TRP: Changing Conferences Since 1999

Yeah, its just a simple order of operations problem. But since most people forget about order of operations, it isn't as easy as it really should be.
 
Re: TRP: Changing Conferences Since 1999

That reminds me about my favorite one of those.

"Five Canaries Got Drunk At Edgar's Bar Mitsvah."
 
Re: TRP: Changing Conferences Since 1999

Kings Play Chess On Fine Green Silk
My Very Educated Mother Just Served Us Nine Pizzas
 
Beer Pong Horn said:
Nope, you only do that if you're multiplying the entire series by 0, that is, if it's (5 + 5 + 5 - 5 + 5 + 5 - 5 + 5) x 0. Without parentheses denoting that they want you to sum up the entire series before multiplying it, you treat it like (5 x 5) + (2 x -5) + (5 x 0). The more complex operations (multiplication, division) always get done before the less complicated (addition, subtraction.)

EDIT: Sorry, melmac. :o ;)
Click to expand...

Huh? How do you get that? There were no parentheses in that equation. What tells you not to add and subtract in the order they're listed?
 
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