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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 Vor mehr als einem Jahr
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Book-Freak said:
Sure, I'll help! I'll take Du through the first half of the sum, and leave the rest to you.

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

L x W x H = 486cm3

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

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

Du then put them into the formula.

2H x 0.5H x H = 486 cm3

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

select as best answer
posted Vor mehr als einem Jahr 
neonstars said:
No. I believe Du beilive help with your grammar, it's math problems sweetie,
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posted Vor mehr als einem Jahr 
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Wait hold on " no . I believe Du 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 Vor mehr als einem Jahr
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Why do Du call me a noon ?
summer2987 posted Vor mehr als einem Jahr
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Noob *
summer2987 posted Vor mehr als einem Jahr
summer2987 said:
Ask your teacher .
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posted Vor mehr als einem Jahr 
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I wanna know now!!!! - but good idea
karolinak1999 posted Vor mehr als einem Jahr
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We'll I would help Du if I actually stay awake during a class .
summer2987 posted Vor mehr als einem Jahr
egyptprincess7 said:
*Brain explodes*

Go...ask...your...teacher...or...a...math....expert...
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posted Vor mehr als einem Jahr 
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I will if no one here can help me.........
karolinak1999 posted Vor mehr als einem Jahr
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 Du gepostet this,you reminded me I need to do my homework(really can't be bothered to write a report,read two Bücher and do a Lesen paper).
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posted Vor mehr als einem Jahr 
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right
KatelynBrown posted Vor mehr als einem Jahr
wantadog said:
I do not know.
select as best answer
 I do not know.
posted Vor mehr als einem Jahr 
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