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3 years ago

11

The length of a rectangle is 4 cm less then twice it’s width the perimeter of the rectangle is 34 cm. What are the dimensions of

the rectangle

1 answer:

IRISSAK [1]3 years ago

8 0

The lengths are 10 and the widthes are 7

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what number should be added to the expression x squared+2x to change it into a perfect square trinomial?

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You know that a perfect square trinomial is given by square of first term, twice the product of first and last terms and square of second term

So we have x^2 that is square of x, 2x that is twice the product of x*1, the second term shoulf be 1, that is square of 1

So your answer would be 1

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