help, how do you solve this? ten points to who ever answers first!?

2008-04-13 5:22 pm
and show how you got it too, if you plz...and explain some how you got it


question:

which expression shows 8 less than half a number n?

a) 8-1/2n

b) 1/2(n-8)

c) 1/2(8-n)

d) 1/2n-8

回答 (9)

2008-04-13 5:26 pm
✔ 最佳答案
D

half a number symbolizes (1/2)n or n/2
and if it is 8 less than, this will be subtracted to the expression (1/2)n...

but remember 1/2n is different from (1/2)n...i think the problem should be like that.... because it should be on the numerator, not in the denominator...


goodluck...
2008-04-14 2:02 am
(n/2) - 8
OPTION d)
(although it has not been properly typed in your list of options)
2008-04-14 12:33 am
1/2n - 8
(answer d)
2008-04-14 12:30 am
d, its logical
2008-04-14 12:30 am
d)1/2-8

n is a number
half of it is 1/2n
8 less than that is 1/2n-8
2008-04-14 12:29 am
You can't solve it. It's multiple choice. Answer is D though.
2008-04-14 12:27 am
****mr_curious cheats. he answers with a '.' waits for other answers then edits his. give the points to someone else that answered correctly.****

D

half a number is 1/2n

eight less than that would be
1/2n - 8
2008-04-14 12:40 am
a)8-1/2n i learn this in math class.......you knoe your subtratcing so you do this step...step 1 whats the varibable step 2 do you add or subract send me a email my email is [email protected] and we talk more
2008-04-14 12:29 am
the answer is a


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