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Lady_Fox [76]
3 years ago
13

Nếu cắt mặt cầu bởi một mặt phẳng chiếu đứng thì hình chiếu bằng của giao tuyến là:

Mathematics
1 answer:
Brilliant_brown [7]3 years ago
3 0

Answer:

Im sorry I can't understand you

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You are buying an area rug for your bedroom. The area of your room you want to cover is 40 feet squared. You find that the lengt
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The length and the width of the rug having an area of 40 square feet will be 5 feet and 8 feet respectively.

<h3>what is area?</h3>

Area is defined as the space covered by any object in the two dimensional plane. Here it is given that the area of the rug should be 40 square feet and the length of the rug is 3 less then its width.

So to find out the length and the width we will form an equation.

Let the width is = x feet

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Now the area will be

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x=\dfrac{-(-3)\pm\sqrt{9+(4\times1\times40}}{2}

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x=8  \   and \   \  x=-5.5

Here the value of x will be positive because length cant be negative.

So the width of the rug will be x=8 feet

Length of the rug will be  x-3= 8-3=5 feet

Hence the length and the width of the rug having an area of 40 square feet will be 5 feet and 8 feet respectively.

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brainly.com/question/3948796

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Write a story problem to represent 3÷5=3/5
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