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Ainat [17]
3 years ago
6

What’s the function of the Unit Circle and why is it called the unit Circle?

Mathematics
1 answer:
kolezko [41]3 years ago
8 0

Answer:

It is a unit of radius that is radius of 1. Thus, the distant to the middle to any edge is always 1.

Step-by-step explanation:

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Linn plans to wallpaper the 4 walls in her bedroom. The measurements are 9’ by 11’ by 8’. How many single rolls of wallpaper sho
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Answer: There are 4 rolls she should buy.

Step-by-step explanation:

Since we have given that

Length of wall = 9 feet

Width of wall = 11 feet

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As we know the formula for "Area of four walls ":

Area=2(l+b)h\\\\Area=2(9+11)\times 8\\\\Area=2\times 20\times 8\\\\Area=320\ ft^2

Area of each single roll covers = 72 square feet

So, Number of single rolls of wallpaper is given by

\frac{\text{ Area of 4 walls}}{\text{ Area of single roll}}\\\\=\frac{320}{72}\\\\=4.44\\\\=4

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Step-by-step explanation:

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