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 Post subject: Maths......Posted: Sun Sep 18, 2011 2:16 pm

Joined: Wed May 25, 2011 10:36 pm
Posts: 35
Hi

The length of a rectangle is 8cm more than its width. Its width is x cm.
A square has a side lenght of y cm.
The perimeter of the rectangle is larger than that of the square.
How much bigger is the perimeter of the rectangle than that of the square?

Q. Find the value of f in this equation:
f(sq)+3f=18

Many thanks.

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 Post subject: Re: Maths......Posted: Sun Sep 18, 2011 2:24 pm

Joined: Tue Jul 31, 2007 9:37 am
Posts: 408
aaman1 wrote:
Hi

The length of a rectangle is 8cm more than its width. Its width is x cm.
A square has a side lenght of y cm.
The perimeter of the rectangle is larger than that of the square.
How much bigger is the perimeter of the rectangle than that of the square?

Q. Find the value of f in this equation:
f(sq)+3f=18

Many thanks.

Top

 Post subject: Re: Maths......Posted: Sun Sep 18, 2011 2:49 pm

Joined: Mon Feb 12, 2007 1:21 pm
Posts: 11952
This is not 11+ work - ask your teacher for extra help as we will not be helping by doing your homework for you

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 Post subject: Re: Maths......Posted: Sun Sep 18, 2011 2:50 pm
Well spotted, I always assumed that these were questions from parents that needed help! Thanks for opening my eyes

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 Post subject: Re: Maths......Posted: Sun Sep 18, 2011 4:05 pm

Joined: Wed Jan 11, 2006 7:10 pm
Posts: 8206
Location: Buckinghamshire
aaman1, please could you be kind enough to make it clear when you are posting maths questions whether they are 11+ or homework? It could cause a lot of panic if people think these are 11+ standard!

It is then up to individual members if they wish to help you out with homework questions.

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 Post subject: Re: Maths......Posted: Sun Sep 18, 2011 8:31 pm

Joined: Sat Sep 17, 2011 8:09 pm
Posts: 93
Location: Herts
2nd question has another answer (not just 3). But as others mention, this is not 11+, more like Key Stage 4!

Here is a good resource to help with the 2nd question: http://www.bbc.co.uk/schools/gcsebitesi ... rev1.shtml

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 Post subject: Re: Maths......Posted: Mon Sep 19, 2011 3:20 pm

Joined: Wed May 25, 2011 10:36 pm
Posts: 35
The first question appeared in the Bond 10 min 4th and the 2nd question was given to me as homework by my tutor. apologies if this caused any panic

aaman1

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 Post subject: Re: Maths......Posted: Wed Sep 21, 2011 4:56 am

Joined: Tue Jul 21, 2009 9:56 pm
Posts: 8228
I'm not sure that you learn anything by writing in here for the answers. Do your parents know that you get your answers off here for a tutor they are paying for? It's not the way to learn, and it's not the way to get the best from your tutor sessions. If your tutor does not know what you can and cannot do they will not be able to focus their tutoring on your specific needs which is the whole point of tutoring.

What year are you in and what exams are you preparing for?

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 Post subject: Re: Maths......Posted: Tue Sep 27, 2011 2:57 pm

Joined: Thu Mar 17, 2011 12:58 pm
Posts: 92
for the first question,
Width of rectangle =x
Length of rectangle=x+8
= 2(x+8) + 2x
= 2x+16+2x
= 4x+16

perimeter of square with side y= 4y

Difference in perimeter of rectangle and square can be written as,
4x+16-4y or 4(x+4-y)

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