Any Math Whizzes out there???
 

Having a little trouble with this one. Any help would be greatly appreciated.

If 15 times the reciprocal of a number is A=added to the ratio of 9 times a number minus 7 and the number is plus 2, the result is 9. What is the number?

Can you set this one up? I bow down if you can. :helpme

Thanks,

--Ken Dog
[email protected]

[QUOTE]Originally posted by Kwilson408
[B]Having a little trouble with this one. Any help would be greatly appreciated.

If 15 times the reciprocal of a number is A=added to the ratio of 9 times a number minus 7 and the number is plus 2, the result is 9. What is the number?

:clip:

Is this word problem even written correctly?

[QUOTE]Originally posted by Kwilson408
[B]whats what Im thinking!
plz be more clear

I wish I cold be more clear. However, This college instructor unfortunately needs a "plexotomy."

Plexotomy: Surgical proceedure where a doctor cuts a square out of your abdomen and places a piece of plexiglas over the hole so that you can see where your going when you have your head up your ass.

Can you maybe try and decipher what she is trying to say???

Thanks,

--Ken Dog

bro your math teacher is a joke :1orglaugh

15/A + (9A - 7)/(A+2) = 9

Think that's it if I read right.

Not a whiz tho, just a programmer.

-Ben

15/A is inverse of the number
reciprocal is A(-1) I believe

wtf is a reciprocal of a number?

i took lots of math in college, never heard of the term

The recip of a number means when they are multiplied, the answer is 1.

Ex. 3 x 1/3 =1

Those numbers are recips

go with the sum of zero. thats the answer to almost everything

last i heard, that was called the "inverse"

exactly

X hahahaha> 1/X is inverse
X hahahaha> -X is opposite
X hahahaha> X(-1) is reciprocal

You're only considering scalars. When dealing with,say tensors , the difference becomes more important .

I think you have it bacwards
http://www.mathsteacher.com.au/year9...ocal/recip.htm

12.