The length of a rectangle is 4 cm more than its width. If the perimeter of the rectangle is 64 cm, how do you find the dimensions of the rectangle?

Answer 1

I found #14cm and 18cm#

Call the length #l# and the width #w# so you have: #l=w+4# now consider the perimeter #P#: #P=2l+2w=64cm# substitute for #l# #2(w+4)+2w=64# #2w+8+2w=64# #4w=56# #w=56/4=14cm# use this into the expression for #l# you get: #l=14+4=18cm#
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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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