math questions! help plz?

Question

u guys have been a great help to me and i need more help again. ok here:

1.2/3 (6y+9)

2. a company buys a copier for 10,000$. the value decreases at 10,000 ( 1- n/20) after "N" years. after how many years will the copier be valued at 6,500$?

3.solve for A 6 a+4/3 = 14

4. solve for x : 2/3x + x/2= 7

try to show work! plz and thank u

Answer 1

1)
2/3(6y+9) assuming you mean is equal to zero then (6y+9)=0
6y=-9
y=-3/2
if you just need to expand it out then
4y+6

2)
10000(1-n/20)=6500
1-n/20=.65
n/20=1-0.65=0.35
n=7 years

3)
6a+4/3=14
18a+4=42
18a=38
a=2.1111

4)
2/3x+x/2=7
2x+3x/2=21
4x+3x=42
7x=42
x=6

Answer 2

OMG
take the time to work it out
other ppl doin it 4 u wont help u learn how to do it when it comes to testing ya know
give it a try on ur own.
for more math help go to
www.regentsprep.org

Answer 3

Sorry I just see it unethical to make others do your homework.