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Maths problem!!!Need Help!!!!

a rectangular tank with no lid has a surface area of 486cm3. If it's length is twice its height and it's width is half it's height, find the dimensions of the tank.

explain if possible!!!!! Thank you!!!!

Maths problem!!!Need Help!!!!
 karolinak1999 posted hampir setahun yang lalu
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Book-Freak said:
Sure, I'll help! I'll take anda through the first half of the sum, and leave the rest to you.

So, anda know that the surface area is 486cm3. The formula to find out the surface area is length x width x height. So thats:

1 x W x H = 486cm3

Now, this becomes algebraic. anda need to find a common length that the others are all relative to, which is given: height.

Length = Height x 2, which simplifies to 1 = 2H
Width = Height / 2, which simplifies to W = 0.5H

anda then put them into the formula.

2H x 0.5H x H = 486 cm3

See how anda go from here. If anda need anymore help, just ask.

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posted hampir setahun yang lalu 
neonstars said:
No. I believe anda beilive help with your grammar, it's math problems sweetie,
select as best answer
posted hampir setahun yang lalu 
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Wait hold on " no . I believe anda beilive help with your grammar ? What the hell does that mean . Don't start saying a mates grammars bad . When yours sucks too .
summer2987 posted hampir setahun yang lalu
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Why do anda call me a noon ?
summer2987 posted hampir setahun yang lalu
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Noob *
summer2987 posted hampir setahun yang lalu
summer2987 said:
Ask your teacher .
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posted hampir setahun yang lalu 
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I wanna know now!!!! - but good idea
karolinak1999 posted hampir setahun yang lalu
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We'll I would help anda if I actually stay awake during a class .
summer2987 posted hampir setahun yang lalu
egyptprincess7 said:
*Brain explodes*

Go...ask...your...teacher...or...a...math....expert...
 select as best answer
posted hampir setahun yang lalu 
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I will if no one here can help me.........
karolinak1999 posted hampir setahun yang lalu
zikkiforever said:
The internet is a wonderful place with answers. The answer is not here this time.

Anyway,if somebody knew why are we doing YOUR
maths work?

Now anda telah diposkan this,you reminded me I need to do my homework(really can't be bothered to write a report,read two buku and do a Membaca paper).
 select as best answer
posted hampir setahun yang lalu 
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right
KatelynBrown posted hampir setahun yang lalu
wantadog said:
I do not know.
 select as best answer
I do not know.
posted hampir setahun yang lalu 
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